wip

src/Analyzer/Utils.cpp

@@ -229,7 +229,7 @@ QueryTreeNodePtr buildCastFunction(const QueryTreeNodePtr & expression,
 
 std::optional<bool> tryExtractConstantFromConditionNode(const QueryTreeNodePtr & condition_node)
 {
-    const auto * constant_node = condition_node->as<ConstantNode>();
+    const auto * constant_node = condition_node ? condition_node->as<ConstantNode>() : nullptr;
     if (!constant_node)
         return {};
 

src/Interpreters/HashJoin/HashJoin.cpp

@@ -115,6 +115,11 @@ HashJoin::HashJoin(std::shared_ptr<TableJoin> table_join_, const Block & right_s
     , instance_log_id(!instance_id_.empty() ? "(" + instance_id_ + ") " : "")
     , log(getLogger("HashJoin"))
 {
+    for (auto & column : right_sample_block)
+    {
+        if (!column.column)
+            column.column = column.type->createColumn();
+    }
     LOG_TRACE(log, "{}Keys: {}, datatype: {}, kind: {}, strictness: {}, right header: {}",
         instance_log_id, TableJoin::formatClauses(table_join->getClauses(), true), data->type, kind, strictness, right_sample_block.dumpStructure());
 
@@ -383,6 +388,16 @@ size_t HashJoin::getTotalByteCount() const
     return res;
 }
 
+bool HashJoin::isUsedByAnotherAlgorithm() const
+{
+    return table_join->isEnabledAlgorithm(JoinAlgorithm::AUTO) || table_join->isEnabledAlgorithm(JoinAlgorithm::GRACE_HASH);
+}
+
+bool HashJoin::canRemoveColumnsFromLeftBlock() const
+{
+    return table_join->enableEnalyzer() && !table_join->hasUsing() && !isUsedByAnotherAlgorithm();
+}
+
 void HashJoin::initRightBlockStructure(Block & saved_block_sample)
 {
     if (isCrossOrComma(kind))
@@ -394,8 +409,7 @@ void HashJoin::initRightBlockStructure(Block & saved_block_sample)
 
     bool multiple_disjuncts = !table_join->oneDisjunct();
     /// We could remove key columns for LEFT | INNER HashJoin but we should keep them for JoinSwitcher (if any).
-    bool save_key_columns = table_join->isEnabledAlgorithm(JoinAlgorithm::AUTO) ||
+    bool save_key_columns = isUsedByAnotherAlgorithm() ||
-                            table_join->isEnabledAlgorithm(JoinAlgorithm::GRACE_HASH) ||
                             isRightOrFull(kind) ||
                             multiple_disjuncts ||
                             table_join->getMixedJoinExpression();
@@ -909,6 +923,7 @@ void HashJoin::checkTypesOfKeys(const Block & block) const
 
 void HashJoin::joinBlock(Block & block, ExtraBlockPtr & not_processed)
 {
+    LOG_DEBUG(&Poco::Logger::get("XXXX"), "{}:{}: >>> [{}]", __FILE__, __LINE__, block.dumpNames());
     if (!data)
         throw Exception(ErrorCodes::LOGICAL_ERROR, "Cannot join after data has been released");
 
@@ -920,7 +935,7 @@ void HashJoin::joinBlock(Block & block, ExtraBlockPtr & not_processed)
             right_sample_block, onexpr.key_names_right, cond_column_name.second);
     }
 
-    if (kind == JoinKind::Cross)
+    if (kind == JoinKind::Cross || kind == JoinKind::Comma)
     {
         joinBlockImplCross(block, not_processed);
         return;
@@ -970,6 +985,7 @@ void HashJoin::joinBlock(Block & block, ExtraBlockPtr & not_processed)
         else
             throw Exception(ErrorCodes::LOGICAL_ERROR, "Wrong JOIN combination: {} {}", strictness, kind);
     }
+    LOG_DEBUG(&Poco::Logger::get("XXXX"), "{}:{}: <<< [{}]", __FILE__, __LINE__, block.dumpNames());
 }
 
 HashJoin::~HashJoin()
@@ -1228,7 +1244,10 @@ IBlocksStreamPtr HashJoin::getNonJoinedBlocks(const Block & left_sample_block,
 {
     if (!JoinCommon::hasNonJoinedBlocks(*table_join))
         return {};
+
     size_t left_columns_count = left_sample_block.columns();
+    if (canRemoveColumnsFromLeftBlock())
+        left_columns_count = table_join->getOutputColumns(JoinTableSide::Left).size();
 
     bool flag_per_row = needUsedFlagsForPerRightTableRow(table_join);
     if (!flag_per_row)
@@ -1237,9 +1256,11 @@ IBlocksStreamPtr HashJoin::getNonJoinedBlocks(const Block & left_sample_block,
         size_t expected_columns_count = left_columns_count + required_right_keys.columns() + sample_block_with_columns_to_add.columns();
         if (expected_columns_count != result_sample_block.columns())
         {
-            throw Exception(ErrorCodes::LOGICAL_ERROR, "Unexpected number of columns in result sample block: {} instead of {} ({} + {} + {})",
+            throw Exception(ErrorCodes::LOGICAL_ERROR,
+                            "Unexpected number of columns in result sample block: {} expected {} ([{}] = [{}] + [{}] + [{}])",
                             result_sample_block.columns(), expected_columns_count,
-                            left_columns_count, required_right_keys.columns(), sample_block_with_columns_to_add.columns());
+                            result_sample_block.dumpNames(), left_sample_block.dumpNames(),
+                            required_right_keys.dumpNames(), sample_block_with_columns_to_add.dumpNames());
         }
     }
 
@@ -1329,8 +1350,9 @@ void HashJoin::validateAdditionalFilterExpression(ExpressionActionsPtr additiona
     if (expression_sample_block.columns() != 1)
     {
         throw Exception(ErrorCodes::LOGICAL_ERROR,
-            "Unexpected expression in JOIN ON section. Expected single column, got '{}'",
+            "Unexpected expression in JOIN ON section. Expected single column, got '{}', expression:\n{}",
-            expression_sample_block.dumpStructure());
+            expression_sample_block.dumpStructure(),
+            additional_filter_expression->dumpActions());
     }
 
     auto type = removeNullable(expression_sample_block.getByPosition(0).type);

src/Interpreters/HashJoin/HashJoin.h

@@ -464,6 +464,9 @@ private:
 
     bool empty() const;
 
+    bool isUsedByAnotherAlgorithm() const;
+    bool canRemoveColumnsFromLeftBlock() const;
+
     void validateAdditionalFilterExpression(std::shared_ptr<ExpressionActions> additional_filter_expression);
     bool needUsedFlagsForPerRightTableRow(std::shared_ptr<TableJoin> table_join_) const;
 

src/Interpreters/HashJoin/HashJoinMethodsImpl.h

@@ -56,7 +56,6 @@ Block HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinBlockImpl(
         const auto & key_names = !is_join_get ? onexprs[i].key_names_left : onexprs[i].key_names_right;
         join_on_keys.emplace_back(block, key_names, onexprs[i].condColumnNames().first, join.key_sizes[i]);
     }
-    size_t existing_columns = block.columns();
 
     /** If you use FULL or RIGHT JOIN, then the columns from the "left" table must be materialized.
       * Because if they are constants, then in the "not joined" rows, they may have different values
@@ -99,6 +98,22 @@ Block HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinBlockImpl(
         added_columns.buildJoinGetOutput();
     else
         added_columns.buildOutput();
+
+    const auto & table_join = join.table_join;
+    std::set<size_t> block_columns_to_erase;
+    if (join.canRemoveColumnsFromLeftBlock())
+    {
+        std::unordered_set<String> left_output_columns;
+        for (const auto & out_column : table_join->getOutputColumns(JoinTableSide::Left))
+            left_output_columns.insert(out_column.name);
+        for (size_t i = 0; i < block.columns(); ++i)
+        {
+            if (!left_output_columns.contains(block.getByPosition(i).name))
+                block_columns_to_erase.insert(i);
+        }
+    }
+    size_t existing_columns = block.columns();
+
     for (size_t i = 0; i < added_columns.size(); ++i)
         block.insert(added_columns.moveColumn(i));
 
@@ -160,6 +175,8 @@ Block HashJoinMethods<KIND, STRICTNESS, MapsTemplate>::joinBlockImpl(
             block.safeGetByPosition(pos).column = block.safeGetByPosition(pos).column->replicate(*offsets_to_replicate);
         }
     }
+
+    block.erase(block_columns_to_erase);
     return remaining_block;
 }
 

src/Interpreters/InterpreterExplainQuery.cpp

@@ -202,6 +202,7 @@ struct QueryPlanSettings
 
     /// Apply query plan optimizations.
     bool optimize = true;
+    bool logical_steps = false;
     bool json = false;
 
     constexpr static char name[] = "PLAN";
@@ -213,6 +214,7 @@ struct QueryPlanSettings
             {"actions", query_plan_options.actions},
             {"indexes", query_plan_options.indexes},
             {"optimize", optimize},
+            {"logical", logical_steps},
             {"json", json},
             {"sorting", query_plan_options.sorting},
     };
@@ -470,7 +472,11 @@ QueryPipeline InterpreterExplainQuery::executeImpl()
             }
 
             if (settings.optimize)
-                plan.optimize(QueryPlanOptimizationSettings::fromContext(context));
+            {
+                auto optimization_settings = QueryPlanOptimizationSettings::fromContext(context);
+                optimization_settings.keep_logical_steps = settings.logical_steps;
+                plan.optimize(optimization_settings);
+            }
 
             if (settings.json)
             {

src/Interpreters/JoinInfo.cpp

@@ -0,0 +1,28 @@
+#include <Interpreters/JoinInfo.h>
+
+namespace DB
+{
+
+// namespace Settings
+// {
+// #define DECLARE_JOIN_SETTINGS_EXTERN(type, name) \
+//     extern const Settings##type name;
+
+//     APPLY_FOR_JOIN_SETTINGS(DECLARE_JOIN_SETTINGS_EXTERN)
+// #undef DECLARE_JOIN_SETTINGS_EXTERN
+// }
+
+// JoinSettings JoinSettings::create(const Settings & query_settings)
+// {
+//     JoinSettings join_settings;
+
+// #define COPY_JOIN_SETTINGS_FROM_QUERY(type, name) \
+//     join_settings.name = query_settings[Setting::name];
+
+//     APPLY_FOR_JOIN_SETTINGS(COPY_JOIN_SETTINGS_FROM_QUERY)
+// #undef COPY_JOIN_SETTINGS_FROM_QUERY
+
+//     return join_settings;
+// }
+
+}

src/Interpreters/JoinInfo.h

@@ -0,0 +1,194 @@
+#pragma once
+
+#include <Core/Joins.h>
+#include <vector>
+#include <string>
+#include <ranges>
+#include <optional>
+#include <Analyzer/IQueryTreeNode.h>
+#include <Interpreters/ActionsDAG.h>
+
+#include <QueryPipeline/SizeLimits.h>
+
+namespace DB
+{
+
+enum class PredicateOperator : UInt8
+{
+    Equals,
+    NullSafeEquals,
+    Less,
+    LessOrEquals,
+    Greater,
+    GreaterOrEquals,
+};
+
+inline std::optional<PredicateOperator> getJoinPredicateOperator(const String & func_name)
+{
+    if (func_name == "equals")
+        return PredicateOperator::Equals;
+    if (func_name == "isNotDistinctFrom")
+        return PredicateOperator::NullSafeEquals;
+    if (func_name == "less")
+        return PredicateOperator::Less;
+    if (func_name == "greater")
+        return PredicateOperator::Greater;
+    if (func_name == "lessOrEquals")
+        return PredicateOperator::LessOrEquals;
+    if (func_name == "greaterOrEquals")
+        return PredicateOperator::GreaterOrEquals;
+    return {};
+}
+
+inline PredicateOperator reversePredicateOperator(PredicateOperator op)
+{
+    switch (op)
+    {
+        case PredicateOperator::Equals: return PredicateOperator::Equals;
+        case PredicateOperator::NullSafeEquals: return PredicateOperator::NullSafeEquals;
+        case PredicateOperator::Less: return PredicateOperator::Greater;
+        case PredicateOperator::Greater: return PredicateOperator::Less;
+        case PredicateOperator::LessOrEquals: return PredicateOperator::GreaterOrEquals;
+        case PredicateOperator::GreaterOrEquals: return PredicateOperator::LessOrEquals;
+    }
+}
+
+struct JoinExpressionActions
+{
+    JoinExpressionActions(const ColumnsWithTypeAndName & left_columns, const ColumnsWithTypeAndName & right_columns)
+        : left_pre_join_actions(left_columns)
+        , right_pre_join_actions(right_columns)
+    {
+        ColumnsWithTypeAndName concat_columns;
+        concat_columns.insert(concat_columns.end(), left_columns.begin(), left_columns.end());
+        concat_columns.insert(concat_columns.end(), right_columns.begin(), right_columns.end());
+        post_join_actions = ActionsDAG(concat_columns);
+    }
+
+    ActionsDAG left_pre_join_actions;
+    ActionsDAG right_pre_join_actions;
+    ActionsDAG post_join_actions;
+};
+
+struct JoinActionRef
+{
+    const ActionsDAG::Node * node;
+    String column_name;
+
+    explicit JoinActionRef(const ActionsDAG::Node * node_)
+        : node(node_) , column_name(node_ ? node_->result_name : "")
+    {}
+
+    operator bool() const { return node != nullptr; } /// NOLINT
+};
+
+
+/// JoinPredicate represents a single join qualifier
+/// that that apply to the combination of two tables.
+struct JoinPredicate
+{
+    JoinActionRef left_node;
+    JoinActionRef right_node;
+    PredicateOperator op;
+};
+
+/// JoinCondition determines if rows from two tables can be joined
+struct JoinCondition
+{
+    /// Join predicates that must be satisfied to join rows
+    std::vector<JoinPredicate> predicates;
+
+    /// Pre-Join filters applied to the left and right tables independently
+    std::vector<JoinActionRef> left_filter_conditions;
+    std::vector<JoinActionRef> right_filter_conditions;
+
+    /// Residual conditions depend on data from both tables and must be evaluated after the join has been performed.
+    /// Unlike the join predicates, these conditions can be arbitrary expressions.
+    std::vector<JoinActionRef> residual_conditions;
+};
+
+struct JoinExpression
+{
+    /// A single join condition that must be satisfied to join rows
+    JoinCondition condition;
+
+    /// Disjunctive join conditions represented by alternative conditions connected by the OR operator.
+    /// If any of the conditions is true, corresponding rows from the left and right tables can be joined.
+    std::vector<JoinCondition> disjunctive_conditions;
+
+    /// Indicates if the join expression is defined with the USING clause
+    bool is_using = false;
+
+    /// Set if JOIN ON expression was folded to a single constant on analysis stage
+    std::optional<bool> constant_value = {};
+};
+
+struct JoinInfo
+{
+    /// An expression in ON/USING clause of a JOIN statement
+    JoinExpression expression;
+
+    /// The type of join (e.g., INNER, LEFT, RIGHT, FULL)
+    JoinKind kind;
+
+    /// The strictness of the join (e.g., ALL, ANY, SEMI, ANTI)
+    JoinStrictness strictness;
+
+    /// The locality of the join (e.g., LOCAL, GLOBAL)
+    JoinLocality locality;
+};
+
+// #define APPLY_FOR_JOIN_SETTINGS(M) \
+//     M(JoinAlgorithm, algorithm) \
+//     M(size_t, max_block_size) \
+//     \
+//     M(bool, join_use_nulls) \
+//     M(bool, any_join_distinct_right_table_keys) \
+//     \
+//     M(size_t, max_rows_in_join) \
+//     M(size_t, max_bytes_in_join) \
+//     \
+//     M(OverflowMode, join_overflow_mode) \
+//     M(bool, join_any_take_last_row) \
+//     \
+//     /* CROSS JOIN settings */ \
+//     M(UInt64, cross_join_min_rows_to_compress) \
+//     M(UInt64, cross_join_min_bytes_to_compress) \
+//     \
+//     /* Partial merge join settings */ \
+//     M(UInt64, partial_merge_join_left_table_buffer_bytes) \
+//     M(UInt64, partial_merge_join_rows_in_right_blocks) \
+//     M(UInt64, join_on_disk_max_files_to_merge) \
+//     \
+//     /* Grace hash join settings */ \
+//     M(UInt64, grace_hash_join_initial_buckets) \
+//     M(UInt64, grace_hash_join_max_buckets) \
+//     \
+//     /* Full sorting merge join settings */ \
+//     M(UInt64, max_rows_in_set_to_optimize_join) \
+//     \
+//     /* Hash/Parallel hash join settings */ \
+//     M(bool, collect_hash_table_stats_during_joins) \
+//     M(UInt64, max_size_to_preallocate_for_joins) \
+//     \
+//     M(bool, query_plan_convert_outer_join_to_inner_join) \
+//     M(bool, multiple_joins_try_to_keep_original_names) \
+//     \
+//     M(bool, parallel_replicas_prefer_local_join) \
+//     M(bool, allow_experimental_join_condition) \
+//     \
+//     M(UInt64, cross_to_inner_join_rewrite) \
+
+// struct JoinSettings
+// {
+// #define DECLARE_JOIN_SETTING_FILEDS(type, name) \
+//     type name;
+
+//     APPLY_FOR_JOIN_SETTINGS(APPLY_FOR_JOIN_SETTINGS)
+// #undef DECLARE_JOIN_SETTING_FILEDS
+
+//     static JoinSettings create(const Settings & query_settings);
+// };
+
+
+}

src/Interpreters/JoinUtils.cpp

@@ -18,6 +18,7 @@
 #include <Common/WeakHash.h>
 
 #include <base/FnTraits.h>
+#include <ranges>
 
 namespace DB
 {
@@ -675,6 +676,12 @@ NotJoinedBlocks::NotJoinedBlocks(std::unique_ptr<RightColumnsFiller> filler_,
     , result_sample_block(materializeBlock(result_sample_block_))
 {
     const auto & left_to_right_key_remap = table_join.leftToRightKeyRemap();
+    LOG_DEBUG(&Poco::Logger::get("XXXX"), "{}:{}: [{}]", __FILE__, __LINE__, fmt::join(
+        left_to_right_key_remap | std::views::transform([](const auto & e)
+        {
+            return fmt::format("{} -> {}", e.first, e.second);
+        }), ", "));
+
     for (size_t left_pos = 0; left_pos < left_columns_count; ++left_pos)
     {
         /// We need right 'x' for 'RIGHT JOIN ... USING(x)'
@@ -715,9 +722,9 @@ NotJoinedBlocks::NotJoinedBlocks(std::unique_ptr<RightColumnsFiller> filler_,
         throw Exception(
             ErrorCodes::LOGICAL_ERROR,
             "Error in columns mapping in JOIN: assertion failed {} + {} + {} != {}; "
-            "Result block [{}], Saved block [{}]",
+            "left_columns_count = {}, result_sample_block.columns = [{}], saved_block_sample.columns = [{}]",
             column_indices_left.size(), column_indices_right.size(), same_result_keys.size(), result_sample_block.columns(),
-            result_sample_block.dumpNames(), saved_block_sample.dumpNames());
+            left_columns_count, result_sample_block.dumpNames(), saved_block_sample.dumpNames());
     }
 }
 

src/Interpreters/TableJoin.cpp

@@ -33,6 +33,7 @@
 #include <string>
 #include <type_traits>
 #include <vector>
+#include <ranges>
 
 #include <DataTypes/DataTypeLowCardinality.h>
 
@@ -41,6 +42,7 @@ namespace DB
 namespace Setting
 {
     extern const SettingsBool allow_experimental_join_right_table_sorting;
+    extern const SettingsBool allow_experimental_analyzer;
     extern const SettingsUInt64 cross_join_min_bytes_to_compress;
     extern const SettingsUInt64 cross_join_min_rows_to_compress;
     extern const SettingsUInt64 default_max_bytes_in_join;
@@ -143,9 +145,58 @@ TableJoin::TableJoin(const Settings & settings, VolumePtr tmp_volume_, Temporary
     , max_memory_usage(settings[Setting::max_memory_usage])
     , tmp_volume(tmp_volume_)
     , tmp_data(tmp_data_)
+    , enable_analyzer(settings[Setting::allow_experimental_analyzer])
 {
 }
 
+
+TableJoin::TableJoin(SizeLimits limits, bool use_nulls, JoinKind kind, JoinStrictness strictness, const Names & key_names_right)
+    : size_limits(limits)
+    , default_max_bytes(0)
+    , join_use_nulls(use_nulls)
+    , join_algorithm({JoinAlgorithm::DEFAULT})
+{
+    clauses.emplace_back().key_names_right = key_names_right;
+    table_join.kind = kind;
+    table_join.strictness = strictness;
+}
+
+
+JoinKind TableJoin::kind() const
+{
+    if (join_info)
+        return join_info->kind;
+    return table_join.kind;
+}
+
+void TableJoin::setKind(JoinKind kind)
+{
+    if (join_info)
+        join_info->kind = kind;
+    table_join.kind = kind;
+}
+
+JoinStrictness TableJoin::strictness() const
+{
+    if (join_info)
+        return join_info->strictness;
+    return table_join.strictness;
+}
+
+bool TableJoin::hasUsing() const
+{
+    if (join_info)
+        return join_info->expression.is_using;
+    return table_join.using_expression_list != nullptr;
+}
+
+bool TableJoin::hasOn() const
+{
+    if (join_info)
+        return !join_info->expression.is_using;
+    return table_join.on_expression != nullptr;
+}
+
 void TableJoin::resetKeys()
 {
     clauses.clear();
@@ -161,6 +212,8 @@ void TableJoin::resetCollected()
     clauses.clear();
     columns_from_joined_table.clear();
     columns_added_by_join.clear();
+    columns_from_left_table.clear();
+    result_columns_from_left_table.clear();
     original_names.clear();
     renames.clear();
     left_type_map.clear();
@@ -203,6 +256,19 @@ size_t TableJoin::rightKeyInclusion(const String & name) const
     return count;
 }
 
+void TableJoin::setInputColumns(NamesAndTypesList left_output_columns, NamesAndTypesList right_output_columns)
+{
+    columns_from_left_table = std::move(left_output_columns);
+    columns_from_joined_table = std::move(right_output_columns);
+}
+
+const NamesAndTypesList & TableJoin::getOutputColumns(JoinTableSide side)
+{
+    if (side == JoinTableSide::Left)
+        return result_columns_from_left_table;
+    return columns_added_by_join;
+}
+
 void TableJoin::deduplicateAndQualifyColumnNames(const NameSet & left_table_columns, const String & right_table_prefix)
 {
     NameSet joined_columns;
@@ -351,9 +417,41 @@ bool TableJoin::rightBecomeNullable(const DataTypePtr & column_type) const
     return forceNullableRight() && JoinCommon::canBecomeNullable(column_type);
 }
 
+void TableJoin::setUsedColumns(const Names & column_names)
+{
+    std::unordered_map<std::string_view, NamesAndTypesList::const_iterator> left_columns_idx;
+    for (auto it = columns_from_left_table.begin(); it != columns_from_left_table.end(); ++it)
+        left_columns_idx[it->name] = it;
+
+    std::unordered_map<std::string_view, NamesAndTypesList::const_iterator> right_columns_idx;
+    for (auto it = columns_from_joined_table.begin(); it != columns_from_joined_table.end(); ++it)
+        right_columns_idx[it->name] = it;
+
+    for (const auto & column_name : column_names)
+    {
+        if (auto lit = left_columns_idx.find(column_name); lit != left_columns_idx.end())
+            setUsedColumn(*lit->second, JoinTableSide::Left);
+        else if (auto rit = right_columns_idx.find(column_name); rit != right_columns_idx.end())
+            setUsedColumn(*rit->second, JoinTableSide::Right);
+        else
+            throw Exception(ErrorCodes::NOT_FOUND_COLUMN_IN_BLOCK,
+                "Column {} not found in JOIN, left columns: [{}], right columns: [{}]", column_name,
+                fmt::join(columns_from_left_table | std::views::transform([](const auto & col) { return col.name; }), ", "),
+                fmt::join(columns_from_joined_table | std::views::transform([](const auto & col) { return col.name; }), ", "));
+    }
+}
+
+void TableJoin::setUsedColumn(const NameAndTypePair & joined_column, JoinTableSide side)
+{
+    if (side == JoinTableSide::Left)
+        result_columns_from_left_table.push_back(joined_column);
+    else
+        columns_added_by_join.push_back(joined_column);
+}
+
 void TableJoin::addJoinedColumn(const NameAndTypePair & joined_column)
 {
-    columns_added_by_join.emplace_back(joined_column);
+    setUsedColumn(joined_column, JoinTableSide::Right);
 }
 
 NamesAndTypesList TableJoin::correctedColumnsAddedByJoin() const
@@ -974,9 +1072,9 @@ bool TableJoin::allowParallelHashJoin() const
         return false;
     if (!right_storage_name.empty())
         return false;
-    if (table_join.kind != JoinKind::Left && table_join.kind != JoinKind::Inner)
+    if (kind() != JoinKind::Left && kind() != JoinKind::Inner)
         return false;
-    if (table_join.strictness == JoinStrictness::Asof)
+    if (strictness() == JoinStrictness::Asof)
         return false;
     if (isSpecialStorage() || !oneDisjunct())
         return false;
@@ -995,5 +1093,10 @@ size_t TableJoin::getMaxMemoryUsage() const
     return max_memory_usage;
 }
 
+void TableJoin::assertEnableEnalyzer() const
+{
+    if (!enable_analyzer)
+        throw DB::Exception(ErrorCodes::NOT_IMPLEMENTED, "TableJoin: analyzer is disabled");
+}
 
 }

src/Interpreters/TableJoin.h

@@ -9,6 +9,7 @@
 #include <DataTypes/getLeastSupertype.h>
 #include <Interpreters/IKeyValueEntity.h>
 #include <Interpreters/TemporaryDataOnDisk.h>
+#include <Interpreters/JoinInfo.h>
 
 #include <Common/Exception.h>
 #include <Parsers/IAST_fwd.h>
@@ -164,9 +165,13 @@ private:
     std::shared_ptr<ExpressionActions> mixed_join_expression = nullptr;
 
     ASTTableJoin table_join;
+    std::optional<JoinInfo> join_info;
 
     ASOFJoinInequality asof_inequality = ASOFJoinInequality::GreaterOrEquals;
 
+    NamesAndTypesList columns_from_left_table;
+    NamesAndTypesList result_columns_from_left_table;
+
     /// All columns which can be read from joined table. Duplicating names are qualified.
     NamesAndTypesList columns_from_joined_table;
     /// Columns will be added to block by JOIN.
@@ -201,6 +206,7 @@ private:
     std::string right_storage_name;
 
     bool is_join_with_constant = false;
+    bool enable_analyzer = false;
 
     Names requiredJoinedNames() const;
 
@@ -243,22 +249,13 @@ public:
 
     /// for StorageJoin
     TableJoin(SizeLimits limits, bool use_nulls, JoinKind kind, JoinStrictness strictness,
-              const Names & key_names_right)
+              const Names & key_names_right);
-        : size_limits(limits)
-        , default_max_bytes(0)
-        , join_use_nulls(use_nulls)
-        , join_algorithm({JoinAlgorithm::DEFAULT})
-    {
-        clauses.emplace_back().key_names_right = key_names_right;
-        table_join.kind = kind;
-        table_join.strictness = strictness;
-    }
 
     TableJoin(const TableJoin & rhs) = default;
 
-    JoinKind kind() const { return table_join.kind; }
+    JoinKind kind() const;
-    void setKind(JoinKind kind) { table_join.kind = kind; }
+    void setKind(JoinKind kind);
-    JoinStrictness strictness() const { return table_join.strictness; }
+    JoinStrictness strictness() const;
     bool sameStrictnessAndKind(JoinStrictness, JoinKind) const;
     const SizeLimits & sizeLimits() const { return size_limits; }
     size_t getMaxMemoryUsage() const;
@@ -266,6 +263,8 @@ public:
     VolumePtr getGlobalTemporaryVolume() { return tmp_volume; }
 
     TemporaryDataOnDiskScopePtr getTempDataOnDisk() { return tmp_data; }
+    bool enableEnalyzer() const { return enable_analyzer; }
+    void assertEnableEnalyzer() const;
 
     ActionsDAG createJoinedBlockActions(ContextPtr context) const;
 
@@ -316,6 +315,8 @@ public:
     ASTTableJoin & getTableJoin() { return table_join; }
     const ASTTableJoin & getTableJoin() const { return table_join; }
 
+    void setJoinInfo(const JoinInfo & join_info_) { join_info = join_info_; }
+
     JoinOnClause & getOnlyClause() { assertHasOneOnExpr(); return clauses[0]; }
     const JoinOnClause & getOnlyClause() const { assertHasOneOnExpr(); return clauses[0]; }
 
@@ -349,8 +350,8 @@ public:
      */
     void addJoinCondition(const ASTPtr & ast, bool is_left);
 
-    bool hasUsing() const { return table_join.using_expression_list != nullptr; }
+    bool hasUsing() const;
-    bool hasOn() const { return table_join.on_expression != nullptr; }
+    bool hasOn() const;
 
     String getOriginalName(const String & column_name) const;
     NamesWithAliases getNamesWithAliases(const NameSet & required_columns) const;
@@ -372,6 +373,9 @@ public:
     bool leftBecomeNullable(const DataTypePtr & column_type) const;
     bool rightBecomeNullable(const DataTypePtr & column_type) const;
     void addJoinedColumn(const NameAndTypePair & joined_column);
+    void setUsedColumn(const NameAndTypePair & joined_column, JoinTableSide side);
+    void setUsedColumns(const Names & column_names);
+
     void setColumnsAddedByJoin(const NamesAndTypesList & columns_added_by_join_value)
     {
         columns_added_by_join = columns_added_by_join_value;
@@ -397,11 +401,16 @@ public:
     ASTPtr leftKeysList() const;
     ASTPtr rightKeysList() const; /// For ON syntax only
 
-    void setColumnsFromJoinedTable(NamesAndTypesList columns_from_joined_table_value, const NameSet & left_table_columns, const String & right_table_prefix)
+    void setColumnsFromJoinedTable(NamesAndTypesList columns_from_joined_table_value, const NameSet & left_table_columns, const String & right_table_prefix, const NamesAndTypesList & columns_from_left_table_)
     {
         columns_from_joined_table = std::move(columns_from_joined_table_value);
         deduplicateAndQualifyColumnNames(left_table_columns, right_table_prefix);
+        result_columns_from_left_table = columns_from_left_table_;
+        columns_from_left_table = columns_from_left_table_;
     }
+
+    void setInputColumns(NamesAndTypesList left_output_columns, NamesAndTypesList right_output_columns);
+    const NamesAndTypesList & getOutputColumns(JoinTableSide side);
     const NamesAndTypesList & columnsFromJoinedTable() const { return columns_from_joined_table; }
     const NamesAndTypesList & columnsAddedByJoin() const { return columns_added_by_join; }
 

src/Interpreters/TreeRewriter.cpp

@@ -1353,12 +1353,15 @@ TreeRewriterResultPtr TreeRewriter::analyzeSelect(
 
     if (tables_with_columns.size() > 1)
     {
+        auto columns_from_left_table = tables_with_columns[0].columns;
         const auto & right_table = tables_with_columns[1];
         auto columns_from_joined_table = right_table.columns;
         /// query can use materialized or aliased columns from right joined table,
         /// we want to request it for right table
         columns_from_joined_table.insert(columns_from_joined_table.end(), right_table.hidden_columns.begin(), right_table.hidden_columns.end());
-        result.analyzed_join->setColumnsFromJoinedTable(std::move(columns_from_joined_table), source_columns_set, right_table.table.getQualifiedNamePrefix());
+        columns_from_left_table.insert(columns_from_left_table.end(), tables_with_columns[0].hidden_columns.begin(), tables_with_columns[0].hidden_columns.end());
+        result.analyzed_join->setColumnsFromJoinedTable(
+            std::move(columns_from_joined_table), source_columns_set, right_table.table.getQualifiedNamePrefix(), columns_from_left_table);
     }
 
     translateQualifiedNames(query, *select_query, source_columns_set, tables_with_columns);

src/Parsers/CreateQueryUUIDs.cpp

@@ -31,7 +31,7 @@ CreateQueryUUIDs::CreateQueryUUIDs(const ASTCreateQuery & query, bool generate_r
         /// If we generate random UUIDs for already existing tables then those UUIDs will not be correct making those inner target table inaccessible.
         /// Thus it's not safe for example to replace
         /// "ATTACH MATERIALIZED VIEW mv AS SELECT a FROM b" with
-        /// "ATTACH MATERIALIZED VIEW mv TO INNER UUID "XXXX" AS SELECT a FROM b"
+        /// "ATTACH MATERIALIZED VIEW mv TO INNER UUID "248372b7-02c4-4c88-a5e1-282a83cc572a" AS SELECT a FROM b"
         /// This replacement is safe only for CREATE queries when inner target tables don't exist yet.
         if (!query.attach)
         {

src/Planner/PlannerJoinTree.cpp

@@ -47,6 +47,7 @@
 #include <Processors/QueryPlan/ExpressionStep.h>
 #include <Processors/QueryPlan/FilterStep.h>
 #include <Processors/QueryPlan/JoinStep.h>
+#include <Processors/QueryPlan/JoinStepLogical.h>
 #include <Processors/QueryPlan/ArrayJoinStep.h>
 #include <Processors/QueryPlan/ReadFromMergeTree.h>
 #include <Processors/Sources/SourceFromSingleChunk.h>
@@ -108,9 +109,7 @@ namespace Setting
 
 namespace ErrorCodes
 {
-    extern const int INVALID_JOIN_ON_EXPRESSION;
     extern const int LOGICAL_ERROR;
-    extern const int NOT_IMPLEMENTED;
     extern const int ACCESS_DENIED;
     extern const int PARAMETER_OUT_OF_BOUND;
     extern const int TOO_MANY_COLUMNS;
@@ -1241,396 +1240,19 @@ void joinCastPlanColumnsToNullable(QueryPlan & plan_to_add_cast, PlannerContextP
     plan_to_add_cast.addStep(std::move(cast_join_columns_step));
 }
 
-JoinTreeQueryPlan buildQueryPlanForJoinNode(const QueryTreeNodePtr & join_table_expression,
+JoinTreeQueryPlan joinPlansWithStep(
+    QueryPlanStepPtr join_step,
     JoinTreeQueryPlan left_join_tree_query_plan,
     JoinTreeQueryPlan right_join_tree_query_plan,
     const ColumnIdentifierSet & outer_scope_columns,
     PlannerContextPtr & planner_context)
 {
-    auto & join_node = join_table_expression->as<JoinNode &>();
+    std::vector<QueryPlanPtr> plans;
-    if (left_join_tree_query_plan.from_stage != QueryProcessingStage::FetchColumns)
+    plans.emplace_back(std::make_unique<QueryPlan>(std::move(left_join_tree_query_plan.query_plan)));
-        throw Exception(ErrorCodes::UNSUPPORTED_METHOD,
+    plans.emplace_back(std::make_unique<QueryPlan>(std::move(right_join_tree_query_plan.query_plan)));
-            "JOIN {} left table expression expected to process query to fetch columns stage. Actual {}",
-            join_node.formatASTForErrorMessage(),
-            QueryProcessingStage::toString(left_join_tree_query_plan.from_stage));
 
-    auto left_plan = std::move(left_join_tree_query_plan.query_plan);
+    QueryPlan result_plan;
-    auto left_plan_output_columns = left_plan.getCurrentHeader().getColumnsWithTypeAndName();
+    result_plan.unitePlans(std::move(join_step), {std::move(plans)});
-    if (right_join_tree_query_plan.from_stage != QueryProcessingStage::FetchColumns)
-        throw Exception(ErrorCodes::UNSUPPORTED_METHOD,
-            "JOIN {} right table expression expected to process query to fetch columns stage. Actual {}",
-            join_node.formatASTForErrorMessage(),
-            QueryProcessingStage::toString(right_join_tree_query_plan.from_stage));
-
-    auto right_plan = std::move(right_join_tree_query_plan.query_plan);
-    auto right_plan_output_columns = right_plan.getCurrentHeader().getColumnsWithTypeAndName();
-
-    JoinClausesAndActions join_clauses_and_actions;
-    JoinKind join_kind = join_node.getKind();
-    JoinStrictness join_strictness = join_node.getStrictness();
-
-    std::optional<bool> join_constant;
-
-    if (join_strictness == JoinStrictness::All || join_strictness == JoinStrictness::Semi  || join_strictness == JoinStrictness::Anti)
-        join_constant = tryExtractConstantFromJoinNode(join_table_expression);
-
-    if (!join_constant && join_node.isOnJoinExpression())
-    {
-        join_clauses_and_actions = buildJoinClausesAndActions(left_plan_output_columns,
-            right_plan_output_columns,
-            join_table_expression,
-            planner_context);
-
-        join_clauses_and_actions.left_join_expressions_actions.appendInputsForUnusedColumns(left_plan.getCurrentHeader());
-        auto left_join_expressions_actions_step = std::make_unique<ExpressionStep>(left_plan.getCurrentHeader(), std::move(join_clauses_and_actions.left_join_expressions_actions));
-        left_join_expressions_actions_step->setStepDescription("JOIN actions");
-        appendSetsFromActionsDAG(left_join_expressions_actions_step->getExpression(), left_join_tree_query_plan.useful_sets);
-        left_plan.addStep(std::move(left_join_expressions_actions_step));
-
-        join_clauses_and_actions.right_join_expressions_actions.appendInputsForUnusedColumns(right_plan.getCurrentHeader());
-        auto right_join_expressions_actions_step = std::make_unique<ExpressionStep>(right_plan.getCurrentHeader(), std::move(join_clauses_and_actions.right_join_expressions_actions));
-        right_join_expressions_actions_step->setStepDescription("JOIN actions");
-        appendSetsFromActionsDAG(right_join_expressions_actions_step->getExpression(), right_join_tree_query_plan.useful_sets);
-        right_plan.addStep(std::move(right_join_expressions_actions_step));
-    }
-
-    std::unordered_map<ColumnIdentifier, DataTypePtr> left_plan_column_name_to_cast_type;
-    std::unordered_map<ColumnIdentifier, DataTypePtr> right_plan_column_name_to_cast_type;
-
-    if (join_node.isUsingJoinExpression())
-    {
-        auto & join_node_using_columns_list = join_node.getJoinExpression()->as<ListNode &>();
-        for (auto & join_node_using_node : join_node_using_columns_list.getNodes())
-        {
-            auto & join_node_using_column_node = join_node_using_node->as<ColumnNode &>();
-            auto & inner_columns_list = join_node_using_column_node.getExpressionOrThrow()->as<ListNode &>();
-
-            auto & left_inner_column_node = inner_columns_list.getNodes().at(0);
-            auto & left_inner_column = left_inner_column_node->as<ColumnNode &>();
-
-            auto & right_inner_column_node = inner_columns_list.getNodes().at(1);
-            auto & right_inner_column = right_inner_column_node->as<ColumnNode &>();
-
-            const auto & join_node_using_column_node_type = join_node_using_column_node.getColumnType();
-            if (!left_inner_column.getColumnType()->equals(*join_node_using_column_node_type))
-            {
-                const auto & left_inner_column_identifier = planner_context->getColumnNodeIdentifierOrThrow(left_inner_column_node);
-                left_plan_column_name_to_cast_type.emplace(left_inner_column_identifier, join_node_using_column_node_type);
-            }
-
-            if (!right_inner_column.getColumnType()->equals(*join_node_using_column_node_type))
-            {
-                const auto & right_inner_column_identifier = planner_context->getColumnNodeIdentifierOrThrow(right_inner_column_node);
-                right_plan_column_name_to_cast_type.emplace(right_inner_column_identifier, join_node_using_column_node_type);
-            }
-        }
-    }
-
-    auto join_cast_plan_output_nodes = [&](QueryPlan & plan_to_add_cast, std::unordered_map<std::string, DataTypePtr> & plan_column_name_to_cast_type)
-    {
-        ActionsDAG cast_actions_dag(plan_to_add_cast.getCurrentHeader().getColumnsWithTypeAndName());
-
-        for (auto & output_node : cast_actions_dag.getOutputs())
-        {
-            auto it = plan_column_name_to_cast_type.find(output_node->result_name);
-            if (it == plan_column_name_to_cast_type.end())
-                continue;
-
-            const auto & cast_type = it->second;
-            output_node = &cast_actions_dag.addCast(*output_node, cast_type, output_node->result_name);
-        }
-
-        cast_actions_dag.appendInputsForUnusedColumns(plan_to_add_cast.getCurrentHeader());
-        auto cast_join_columns_step
-            = std::make_unique<ExpressionStep>(plan_to_add_cast.getCurrentHeader(), std::move(cast_actions_dag));
-        cast_join_columns_step->setStepDescription("Cast JOIN USING columns");
-        plan_to_add_cast.addStep(std::move(cast_join_columns_step));
-    };
-
-    if (!left_plan_column_name_to_cast_type.empty())
-        join_cast_plan_output_nodes(left_plan, left_plan_column_name_to_cast_type);
-
-    if (!right_plan_column_name_to_cast_type.empty())
-        join_cast_plan_output_nodes(right_plan, right_plan_column_name_to_cast_type);
-
-    const auto & query_context = planner_context->getQueryContext();
-    const auto & settings = query_context->getSettingsRef();
-
-    if (settings[Setting::join_use_nulls])
-    {
-        auto to_nullable_function = FunctionFactory::instance().get("toNullable", query_context);
-        if (isFull(join_kind))
-        {
-            joinCastPlanColumnsToNullable(left_plan, planner_context, to_nullable_function);
-            joinCastPlanColumnsToNullable(right_plan, planner_context, to_nullable_function);
-        }
-        else if (isLeft(join_kind))
-        {
-            joinCastPlanColumnsToNullable(right_plan, planner_context, to_nullable_function);
-        }
-        else if (isRight(join_kind))
-        {
-            joinCastPlanColumnsToNullable(left_plan, planner_context, to_nullable_function);
-        }
-    }
-
-    auto table_join = std::make_shared<TableJoin>(settings, query_context->getGlobalTemporaryVolume(), query_context->getTempDataOnDisk());
-    table_join->getTableJoin() = join_node.toASTTableJoin()->as<ASTTableJoin &>();
-
-    if (join_constant)
-    {
-        /** If there is JOIN with always true constant, we transform it to cross.
-          * If there is JOIN with always false constant, we do not process JOIN keys.
-          * It is expected by join algorithm to handle such case.
-          *
-          * Example: SELECT * FROM test_table AS t1 INNER JOIN test_table AS t2 ON 1;
-          */
-        if (*join_constant)
-            join_kind = JoinKind::Cross;
-    }
-    table_join->getTableJoin().kind = join_kind;
-
-    if (join_kind == JoinKind::Comma)
-    {
-        join_kind = JoinKind::Cross;
-        table_join->getTableJoin().kind = JoinKind::Cross;
-    }
-
-    table_join->setIsJoinWithConstant(join_constant != std::nullopt);
-
-    if (join_node.isOnJoinExpression())
-    {
-        const auto & join_clauses = join_clauses_and_actions.join_clauses;
-        bool is_asof = table_join->strictness() == JoinStrictness::Asof;
-
-        if (join_clauses.size() > 1)
-        {
-            if (is_asof)
-                throw Exception(ErrorCodes::NOT_IMPLEMENTED,
-                    "ASOF join {} doesn't support multiple ORs for keys in JOIN ON section",
-                    join_node.formatASTForErrorMessage());
-        }
-
-        auto & table_join_clauses = table_join->getClauses();
-
-        for (const auto & join_clause : join_clauses)
-        {
-            table_join_clauses.emplace_back();
-            auto & table_join_clause = table_join_clauses.back();
-
-            const auto & join_clause_left_key_nodes = join_clause.getLeftKeyNodes();
-            const auto & join_clause_right_key_nodes = join_clause.getRightKeyNodes();
-
-            size_t join_clause_key_nodes_size = join_clause_left_key_nodes.size();
-            chassert(join_clause_key_nodes_size == join_clause_right_key_nodes.size());
-
-            for (size_t i = 0; i < join_clause_key_nodes_size; ++i)
-            {
-                table_join_clause.addKey(join_clause_left_key_nodes[i]->result_name,
-                                         join_clause_right_key_nodes[i]->result_name,
-                                         join_clause.isNullsafeCompareKey(i));
-            }
-
-            const auto & join_clause_get_left_filter_condition_nodes = join_clause.getLeftFilterConditionNodes();
-            if (!join_clause_get_left_filter_condition_nodes.empty())
-            {
-                if (join_clause_get_left_filter_condition_nodes.size() != 1)
-                    throw Exception(ErrorCodes::LOGICAL_ERROR,
-                        "JOIN {} left filter conditions size must be 1. Actual {}",
-                        join_node.formatASTForErrorMessage(),
-                        join_clause_get_left_filter_condition_nodes.size());
-
-                const auto & join_clause_left_filter_condition_name = join_clause_get_left_filter_condition_nodes[0]->result_name;
-                table_join_clause.analyzer_left_filter_condition_column_name = join_clause_left_filter_condition_name;
-            }
-
-            const auto & join_clause_get_right_filter_condition_nodes = join_clause.getRightFilterConditionNodes();
-            if (!join_clause_get_right_filter_condition_nodes.empty())
-            {
-                if (join_clause_get_right_filter_condition_nodes.size() != 1)
-                    throw Exception(ErrorCodes::LOGICAL_ERROR,
-                        "JOIN {} right filter conditions size must be 1. Actual {}",
-                        join_node.formatASTForErrorMessage(),
-                        join_clause_get_right_filter_condition_nodes.size());
-
-                const auto & join_clause_right_filter_condition_name = join_clause_get_right_filter_condition_nodes[0]->result_name;
-                table_join_clause.analyzer_right_filter_condition_column_name = join_clause_right_filter_condition_name;
-            }
-
-            if (is_asof)
-            {
-                if (!join_clause.hasASOF())
-                    throw Exception(ErrorCodes::INVALID_JOIN_ON_EXPRESSION,
-                        "JOIN {} no inequality in ASOF JOIN ON section",
-                        join_node.formatASTForErrorMessage());
-            }
-
-            if (join_clause.hasASOF())
-            {
-                const auto & asof_conditions = join_clause.getASOFConditions();
-                assert(asof_conditions.size() == 1);
-
-                const auto & asof_condition = asof_conditions[0];
-                table_join->setAsofInequality(asof_condition.asof_inequality);
-
-                /// Execution layer of JOIN algorithms expects that ASOF keys are last JOIN keys
-                std::swap(table_join_clause.key_names_left.at(asof_condition.key_index), table_join_clause.key_names_left.back());
-                std::swap(table_join_clause.key_names_right.at(asof_condition.key_index), table_join_clause.key_names_right.back());
-            }
-        }
-
-        if (join_clauses_and_actions.mixed_join_expressions_actions)
-        {
-            ExpressionActionsPtr & mixed_join_expression = table_join->getMixedJoinExpression();
-            mixed_join_expression = std::make_shared<ExpressionActions>(
-                std::move(*join_clauses_and_actions.mixed_join_expressions_actions),
-                ExpressionActionsSettings::fromContext(planner_context->getQueryContext()));
-
-            appendSetsFromActionsDAG(mixed_join_expression->getActionsDAG(), left_join_tree_query_plan.useful_sets);
-        }
-    }
-    else if (join_node.isUsingJoinExpression())
-    {
-        auto & table_join_clauses = table_join->getClauses();
-        table_join_clauses.emplace_back();
-        auto & table_join_clause = table_join_clauses.back();
-
-        auto & using_list = join_node.getJoinExpression()->as<ListNode &>();
-
-        for (auto & join_using_node : using_list.getNodes())
-        {
-            auto & join_using_column_node = join_using_node->as<ColumnNode &>();
-            auto & using_join_columns_list = join_using_column_node.getExpressionOrThrow()->as<ListNode &>();
-            auto & using_join_left_join_column_node = using_join_columns_list.getNodes().at(0);
-            auto & using_join_right_join_column_node = using_join_columns_list.getNodes().at(1);
-
-            const auto & left_column_identifier = planner_context->getColumnNodeIdentifierOrThrow(using_join_left_join_column_node);
-            const auto & right_column_identifier = planner_context->getColumnNodeIdentifierOrThrow(using_join_right_join_column_node);
-
-            table_join_clause.key_names_left.push_back(left_column_identifier);
-            table_join_clause.key_names_right.push_back(right_column_identifier);
-        }
-    }
-
-    const Block & left_header = left_plan.getCurrentHeader();
-    auto left_table_names = left_header.getNames();
-    NameSet left_table_names_set(left_table_names.begin(), left_table_names.end());
-
-    auto columns_from_joined_table = right_plan.getCurrentHeader().getNamesAndTypesList();
-    table_join->setColumnsFromJoinedTable(columns_from_joined_table, left_table_names_set, "");
-
-    for (auto & column_from_joined_table : columns_from_joined_table)
-    {
-        /// Add columns from joined table only if they are presented in outer scope, otherwise they can be dropped
-        if (planner_context->getGlobalPlannerContext()->hasColumnIdentifier(column_from_joined_table.name) &&
-            outer_scope_columns.contains(column_from_joined_table.name))
-            table_join->addJoinedColumn(column_from_joined_table);
-    }
-
-    const Block & right_header = right_plan.getCurrentHeader();
-    auto join_algorithm = chooseJoinAlgorithm(table_join, join_node.getRightTableExpression(), left_header, right_header, planner_context);
-
-    auto result_plan = QueryPlan();
-
-    bool is_filled_join = join_algorithm->isFilled();
-    if (is_filled_join)
-    {
-        auto filled_join_step
-            = std::make_unique<FilledJoinStep>(left_plan.getCurrentHeader(), join_algorithm, settings[Setting::max_block_size]);
-
-        filled_join_step->setStepDescription("Filled JOIN");
-        left_plan.addStep(std::move(filled_join_step));
-
-        result_plan = std::move(left_plan);
-    }
-    else
-    {
-        auto add_sorting = [&] (QueryPlan & plan, const Names & key_names, JoinTableSide join_table_side)
-        {
-            SortDescription sort_description;
-            sort_description.reserve(key_names.size());
-            for (const auto & key_name : key_names)
-                sort_description.emplace_back(key_name);
-
-            SortingStep::Settings sort_settings(*query_context);
-
-            auto sorting_step = std::make_unique<SortingStep>(
-                plan.getCurrentHeader(), std::move(sort_description), 0 /*limit*/, sort_settings, true /*is_sorting_for_merge_join*/);
-            sorting_step->setStepDescription(fmt::format("Sort {} before JOIN", join_table_side));
-            plan.addStep(std::move(sorting_step));
-        };
-
-        auto crosswise_connection = CreateSetAndFilterOnTheFlyStep::createCrossConnection();
-        auto add_create_set = [&settings, crosswise_connection](QueryPlan & plan, const Names & key_names, JoinTableSide join_table_side)
-        {
-            auto creating_set_step = std::make_unique<CreateSetAndFilterOnTheFlyStep>(
-                plan.getCurrentHeader(), key_names, settings[Setting::max_rows_in_set_to_optimize_join], crosswise_connection, join_table_side);
-            creating_set_step->setStepDescription(fmt::format("Create set and filter {} joined stream", join_table_side));
-
-            auto * step_raw_ptr = creating_set_step.get();
-            plan.addStep(std::move(creating_set_step));
-            return step_raw_ptr;
-        };
-
-        if (join_algorithm->pipelineType() == JoinPipelineType::YShaped && join_kind != JoinKind::Paste)
-        {
-            const auto & join_clause = table_join->getOnlyClause();
-
-            bool join_type_allows_filtering = (join_strictness == JoinStrictness::All || join_strictness == JoinStrictness::Any)
-                                            && (isInner(join_kind) || isLeft(join_kind) || isRight(join_kind));
-
-
-            auto has_non_const = [](const Block & block, const auto & keys)
-            {
-                for (const auto & key : keys)
-                {
-                    const auto & column = block.getByName(key).column;
-                    if (column && !isColumnConst(*column))
-                        return true;
-                }
-                return false;
-            };
-
-            /// This optimization relies on the sorting that should buffer data from both streams before emitting any rows.
-            /// Sorting on a stream with const keys can start returning rows immediately and pipeline may stuck.
-            /// Note: it's also doesn't work with the read-in-order optimization.
-            /// No checks here because read in order is not applied if we have `CreateSetAndFilterOnTheFlyStep` in the pipeline between the reading and sorting steps.
-            bool has_non_const_keys = has_non_const(left_plan.getCurrentHeader(), join_clause.key_names_left)
-                && has_non_const(right_plan.getCurrentHeader(), join_clause.key_names_right);
-
-            if (settings[Setting::max_rows_in_set_to_optimize_join] > 0 && join_type_allows_filtering && has_non_const_keys)
-            {
-                auto * left_set = add_create_set(left_plan, join_clause.key_names_left, JoinTableSide::Left);
-                auto * right_set = add_create_set(right_plan, join_clause.key_names_right, JoinTableSide::Right);
-
-                if (isInnerOrLeft(join_kind))
-                    right_set->setFiltering(left_set->getSet());
-
-                if (isInnerOrRight(join_kind))
-                    left_set->setFiltering(right_set->getSet());
-            }
-
-            add_sorting(left_plan, join_clause.key_names_left, JoinTableSide::Left);
-            add_sorting(right_plan, join_clause.key_names_right, JoinTableSide::Right);
-        }
-
-        auto join_pipeline_type = join_algorithm->pipelineType();
-        auto join_step = std::make_unique<JoinStep>(
-            left_plan.getCurrentHeader(),
-            right_plan.getCurrentHeader(),
-            std::move(join_algorithm),
-            settings[Setting::max_block_size],
-            settings[Setting::max_threads],
-            false /*optimize_read_in_order*/);
-
-        join_step->setStepDescription(fmt::format("JOIN {}", join_pipeline_type));
-
-        std::vector<QueryPlanPtr> plans;
-        plans.emplace_back(std::make_unique<QueryPlan>(std::move(left_plan)));
-        plans.emplace_back(std::make_unique<QueryPlan>(std::move(right_plan)));
-
-        result_plan.unitePlans(std::move(join_step), {std::move(plans)});
-    }
 
     ActionsDAG drop_unused_columns_after_join_actions_dag(result_plan.getCurrentHeader().getColumnsWithTypeAndName());
     ActionsDAG::NodeRawConstPtrs drop_unused_columns_after_join_actions_dag_updated_outputs;
@@ -1667,33 +1289,103 @@ JoinTreeQueryPlan buildQueryPlanForJoinNode(const QueryTreeNodePtr & join_table_
     if (drop_unused_columns_after_join_actions_dag_updated_outputs.empty() && first_skipped_column_node_index)
         drop_unused_columns_after_join_actions_dag_updated_outputs.push_back(drop_unused_columns_after_join_actions_dag_outputs[*first_skipped_column_node_index]);
 
-    drop_unused_columns_after_join_actions_dag_outputs = std::move(drop_unused_columns_after_join_actions_dag_updated_outputs);
+    if (drop_unused_columns_after_join_actions_dag_outputs.size() != drop_unused_columns_after_join_actions_dag_updated_outputs.size())
+    {
+        drop_unused_columns_after_join_actions_dag_outputs = std::move(drop_unused_columns_after_join_actions_dag_updated_outputs);
 
-    auto drop_unused_columns_after_join_transform_step = std::make_unique<ExpressionStep>(result_plan.getCurrentHeader(), std::move(drop_unused_columns_after_join_actions_dag));
+        auto drop_unused_columns_after_join_transform_step = std::make_unique<ExpressionStep>(result_plan.getCurrentHeader(), std::move(drop_unused_columns_after_join_actions_dag));
-    drop_unused_columns_after_join_transform_step->setStepDescription("DROP unused columns after JOIN");
+        drop_unused_columns_after_join_transform_step->setStepDescription("DROP unused columns after JOIN");
-    result_plan.addStep(std::move(drop_unused_columns_after_join_transform_step));
+        result_plan.addStep(std::move(drop_unused_columns_after_join_transform_step));
+    }
 
+    /// Collect all required row_policies and actions sets from left and right join tree query plans
+
+    auto result_used_row_policies = std::move(left_join_tree_query_plan.used_row_policies);
     for (const auto & right_join_tree_query_plan_row_policy : right_join_tree_query_plan.used_row_policies)
-        left_join_tree_query_plan.used_row_policies.insert(right_join_tree_query_plan_row_policy);
+        result_used_row_policies.insert(right_join_tree_query_plan_row_policy);
 
-    /// Collect all required actions sets in `left_join_tree_query_plan.useful_sets`
+    auto result_useful_sets = std::move(left_join_tree_query_plan.useful_sets);
-    if (!is_filled_join)
+    for (const auto & useful_set : right_join_tree_query_plan.useful_sets)
-        for (const auto & useful_set : right_join_tree_query_plan.useful_sets)
+        result_useful_sets.insert(useful_set);
-            left_join_tree_query_plan.useful_sets.insert(useful_set);
 
-    auto mapping = std::move(left_join_tree_query_plan.query_node_to_plan_step_mapping);
+    auto result_mapping = std::move(left_join_tree_query_plan.query_node_to_plan_step_mapping);
-    auto & r_mapping = right_join_tree_query_plan.query_node_to_plan_step_mapping;
+    const auto & r_mapping = right_join_tree_query_plan.query_node_to_plan_step_mapping;
-    mapping.insert(r_mapping.begin(), r_mapping.end());
+    result_mapping.insert(r_mapping.begin(), r_mapping.end());
 
     return JoinTreeQueryPlan{
         .query_plan = std::move(result_plan),
         .from_stage = QueryProcessingStage::FetchColumns,
-        .used_row_policies = std::move(left_join_tree_query_plan.used_row_policies),
+        .used_row_policies = std::move(result_used_row_policies),
-        .useful_sets = std::move(left_join_tree_query_plan.useful_sets),
+        .useful_sets = std::move(result_useful_sets),
-        .query_node_to_plan_step_mapping = std::move(mapping),
+        .query_node_to_plan_step_mapping = std::move(result_mapping),
     };
 }
 
+JoinTreeQueryPlan buildQueryPlanForJoinNode(const QueryTreeNodePtr & join_table_expression,
+    JoinTreeQueryPlan left_join_tree_query_plan,
+    JoinTreeQueryPlan right_join_tree_query_plan,
+    const ColumnIdentifierSet & outer_scope_columns,
+    PlannerContextPtr & planner_context)
+{
+    auto & join_node = join_table_expression->as<JoinNode &>();
+    if (left_join_tree_query_plan.from_stage != QueryProcessingStage::FetchColumns)
+        throw Exception(ErrorCodes::UNSUPPORTED_METHOD,
+            "JOIN {} left table expression expected to process query to fetch columns stage. Actual {}",
+            join_node.formatASTForErrorMessage(),
+            QueryProcessingStage::toString(left_join_tree_query_plan.from_stage));
+
+    auto & left_plan = left_join_tree_query_plan.query_plan;
+    auto & right_plan = right_join_tree_query_plan.query_plan;
+
+    const auto & query_context = planner_context->getQueryContext();
+    const auto & settings = query_context->getSettingsRef();
+
+    if (settings[Setting::join_use_nulls])
+    {
+        JoinKind join_kind = join_node.getKind();
+
+        auto to_nullable_function = FunctionFactory::instance().get("toNullable", query_context);
+        if (isFull(join_kind))
+        {
+            joinCastPlanColumnsToNullable(left_plan, planner_context, to_nullable_function);
+            joinCastPlanColumnsToNullable(right_plan, planner_context, to_nullable_function);
+        }
+        else if (isLeft(join_kind))
+        {
+            joinCastPlanColumnsToNullable(right_plan, planner_context, to_nullable_function);
+        }
+        else if (isRight(join_kind))
+        {
+            joinCastPlanColumnsToNullable(left_plan, planner_context, to_nullable_function);
+        }
+    }
+
+    auto join_step_logical = buildJoinStepLogical(
+        left_plan.getCurrentHeader(),
+        right_plan.getCurrentHeader(),
+        outer_scope_columns,
+        join_node,
+        planner_context);
+
+    std::visit([&join_step_logical](auto prepared_storage)
+    {
+        if constexpr (!std::is_same_v<std::monostate, std::decay_t<decltype(prepared_storage)>>)
+        {
+            if (!prepared_storage)
+                return;
+            join_step_logical->setPreparedJoinStorage(std::move(prepared_storage));
+        }
+    }, tryGetStorageInTableJoin(join_node.getRightTableExpression()));
+
+
+    return joinPlansWithStep(
+        std::move(join_step_logical),
+        std::move(left_join_tree_query_plan),
+        std::move(right_join_tree_query_plan),
+        outer_scope_columns,
+        planner_context);
+}
+
 JoinTreeQueryPlan buildQueryPlanForArrayJoinNode(const QueryTreeNodePtr & array_join_table_expression,
     JoinTreeQueryPlan join_tree_query_plan,
     const ColumnIdentifierSet & outer_scope_columns,

src/Planner/PlannerJoins.cpp

@@ -39,9 +39,11 @@
 #include <Planner/PlannerActionsVisitor.h>
 #include <Planner/PlannerContext.h>
 #include <Planner/Utils.h>
+#include <Processors/QueryPlan/JoinStepLogical.h>
 
 #include <Core/Settings.h>
 #include <Core/ServerSettings.h>
+#include <Interpreters/JoinInfo.h>
 
 namespace DB
 {
@@ -140,7 +142,7 @@ TableExpressionSet extractTableExpressionsSet(const QueryTreeNodePtr & node)
     return res;
 }
 
-std::set<JoinTableSide> extractJoinTableSidesFromExpression(//const ActionsDAG::Node * expression_root_node,
+std::set<JoinTableSide> extractJoinTableSidesFromExpression(
     const IQueryTreeNode * expression_root_node,
     const TableExpressionSet & left_table_expressions,
     const TableExpressionSet & right_table_expressions,
@@ -383,6 +385,24 @@ void buildJoinClause(
     }
 }
 
+QueryTreeNodePtr getJoinExpressionFromNode(const JoinNode & join_node)
+{
+    /** It is possible to have constant value in JOIN ON section, that we need to ignore during DAG construction.
+      * If we do not ignore it, this function will be replaced by underlying constant.
+      * For example ASOF JOIN does not support JOIN with constants, and we should process it like ordinary JOIN.
+      *
+      * Example: SELECT * FROM (SELECT 1 AS id, 1 AS value) AS t1 ASOF LEFT JOIN (SELECT 1 AS id, 1 AS value) AS t2
+      * ON (t1.id = t2.id) AND 1 != 1 AND (t1.value >= t1.value);
+      */
+    const auto & join_expression = join_node.getJoinExpression();
+    if (!join_expression)
+        return nullptr;
+    const auto * constant_join_expression = join_expression->as<ConstantNode>();
+    if (constant_join_expression && constant_join_expression->hasSourceExpression())
+        return constant_join_expression->getSourceExpression();
+    return join_expression;
+}
+
 JoinClausesAndActions buildJoinClausesAndActions(
     const ColumnsWithTypeAndName & left_table_expression_columns,
     const ColumnsWithTypeAndName & right_table_expression_columns,
@@ -391,29 +411,15 @@ JoinClausesAndActions buildJoinClausesAndActions(
 {
     ActionsDAG left_join_actions(left_table_expression_columns);
     ActionsDAG right_join_actions(right_table_expression_columns);
+
     ColumnsWithTypeAndName mixed_table_expression_columns;
     for (const auto & left_column : left_table_expression_columns)
-    {
         mixed_table_expression_columns.push_back(left_column);
-    }
     for (const auto & right_column : right_table_expression_columns)
-    {
         mixed_table_expression_columns.push_back(right_column);
-    }
     ActionsDAG mixed_join_actions(mixed_table_expression_columns);
 
-    /** It is possible to have constant value in JOIN ON section, that we need to ignore during DAG construction.
+    auto join_expression = getJoinExpressionFromNode(join_node);
-      * If we do not ignore it, this function will be replaced by underlying constant.
-      * For example ASOF JOIN does not support JOIN with constants, and we should process it like ordinary JOIN.
-      *
-      * Example: SELECT * FROM (SELECT 1 AS id, 1 AS value) AS t1 ASOF LEFT JOIN (SELECT 1 AS id, 1 AS value) AS t2
-      * ON (t1.id = t2.id) AND 1 != 1 AND (t1.value >= t1.value);
-      */
-    auto join_expression = join_node.getJoinExpression();
-    auto * constant_join_expression = join_expression->as<ConstantNode>();
-
-    if (constant_join_expression && constant_join_expression->hasSourceExpression())
-        join_expression = constant_join_expression->getSourceExpression();
 
     auto * function_node = join_expression->as<FunctionNode>();
     if (!function_node)
@@ -658,6 +664,224 @@ JoinClausesAndActions buildJoinClausesAndActions(
     return result;
 }
 
+struct JoinInfoBuildContext
+{
+    explicit JoinInfoBuildContext(
+        const JoinNode & join_node_,
+        const ColumnsWithTypeAndName & left_table_columns_,
+        const ColumnsWithTypeAndName & right_table_columns_,
+        const PlannerContextPtr & planner_context_)
+        : join_node(join_node_)
+        , planner_context(planner_context_)
+        , left_table_columns(left_table_columns_)
+        , right_table_columns(right_table_columns_)
+        , left_table_expression_set(extractTableExpressionsSet(join_node.getLeftTableExpression()))
+        , right_table_expression_set(extractTableExpressionsSet(join_node.getRightTableExpression()))
+        , result_join_expression_actions(left_table_columns, right_table_columns)
+    {
+        result_join_info.kind = join_node.getKind();
+        result_join_info.strictness = join_node.getStrictness();
+        result_join_info.locality = join_node.getLocality();
+    }
+
+    enum class JoinSource : uint8_t { None, Left, Right, Both };
+
+    JoinSource getExpressionSource(const QueryTreeNodePtr & node)
+    {
+        auto res = extractJoinTableSidesFromExpression(node.get(), left_table_expression_set, right_table_expression_set, join_node);
+        if (res.empty())
+            return JoinSource::None;
+        if (res.size() == 1)
+        {
+            if (*res.begin() == JoinTableSide::Left)
+                return JoinSource::Left;
+            return JoinSource::Right;
+        }
+        return JoinSource::Both;
+    }
+
+    JoinActionRef addExpression(const QueryTreeNodePtr & node, JoinSource src)
+    {
+        const ActionsDAG::Node * dag_node_ptr = nullptr;
+        if (src == JoinSource::None)
+            dag_node_ptr = appendExpression(result_join_expression_actions.post_join_actions, node, planner_context, join_node);
+        else if (src == JoinSource::Left)
+            dag_node_ptr = appendExpression(result_join_expression_actions.left_pre_join_actions, node, planner_context, join_node);
+        else if (src == JoinSource::Right)
+            dag_node_ptr = appendExpression(result_join_expression_actions.right_pre_join_actions, node, planner_context, join_node);
+        else
+            dag_node_ptr = appendExpression(result_join_expression_actions.post_join_actions, node, planner_context, join_node);
+        return JoinActionRef(dag_node_ptr);
+    }
+
+    const JoinNode & join_node;
+    const PlannerContextPtr & planner_context;
+
+    ColumnsWithTypeAndName left_table_columns;
+    ColumnsWithTypeAndName right_table_columns;
+
+    TableExpressionSet left_table_expression_set;
+    TableExpressionSet right_table_expression_set;
+
+    JoinExpressionActions result_join_expression_actions;
+    JoinInfo result_join_info;
+};
+
+bool tryGetJoinPredicate(const FunctionNode * function_node, JoinInfoBuildContext & builder_context, JoinCondition & join_condition)
+{
+    if (!function_node || function_node->getArguments().getNodes().size() != 2)
+        return false;
+
+    auto predicate_operator = getJoinPredicateOperator(function_node->getFunctionName());
+    if (!predicate_operator.has_value())
+        return false;
+
+    auto left_node = function_node->getArguments().getNodes().at(0);
+    auto left_expr_source = builder_context.getExpressionSource(left_node);
+
+    auto right_node = function_node->getArguments().getNodes().at(1);
+    auto right_expr_source = builder_context.getExpressionSource(right_node);
+
+    if (left_expr_source == JoinInfoBuildContext::JoinSource::Left && right_expr_source == JoinInfoBuildContext::JoinSource::Right)
+    {
+        join_condition.predicates.emplace_back(JoinPredicate{
+            builder_context.addExpression(left_node, JoinInfoBuildContext::JoinSource::Left),
+            builder_context.addExpression(right_node, JoinInfoBuildContext::JoinSource::Right),
+            predicate_operator.value()});
+        return true;
+    }
+
+    if (left_expr_source == JoinInfoBuildContext::JoinSource::Right && right_expr_source == JoinInfoBuildContext::JoinSource::Left)
+    {
+        join_condition.predicates.push_back(JoinPredicate{
+            builder_context.addExpression(right_node, JoinInfoBuildContext::JoinSource::Left),
+            builder_context.addExpression(left_node, JoinInfoBuildContext::JoinSource::Right),
+            reversePredicateOperator(predicate_operator.value())});
+        return true;
+    }
+
+    return false;
+}
+
+void buildJoinOnCondition(const QueryTreeNodePtr & node, JoinInfoBuildContext & builder_context, JoinCondition & join_condition)
+{
+    auto & using_list = node->as<ListNode &>();
+    for (auto & using_node : using_list.getNodes())
+    {
+        auto & using_column_node = using_node->as<ColumnNode &>();
+        auto & inner_columns_list = using_column_node.getExpressionOrThrow()->as<ListNode &>();
+        chassert(inner_columns_list.getNodes().size() == 2);
+
+        join_condition.predicates.emplace_back(JoinPredicate{
+            builder_context.addExpression(inner_columns_list.getNodes().at(0), JoinInfoBuildContext::JoinSource::Left),
+            builder_context.addExpression(inner_columns_list.getNodes().at(1), JoinInfoBuildContext::JoinSource::Right),
+            PredicateOperator::Equals});
+        LOG_DEBUG(&Poco::Logger::get("XXXX"), "{}:{}: {} ({}) == {} ({})", __FILE__, __LINE__,
+            join_condition.predicates.back().left_node.column_name,
+            builder_context.planner_context->getColumnNodeIdentifierOrThrow(inner_columns_list.getNodes().at(0)),
+            join_condition.predicates.back().right_node.column_name,
+            builder_context.planner_context->getColumnNodeIdentifierOrThrow(inner_columns_list.getNodes().at(1)));
+    }
+}
+
+void buildJoinCondition(const QueryTreeNodePtr & node, JoinInfoBuildContext & builder_context, JoinCondition & join_condition)
+{
+    std::string function_name;
+    const auto * function_node = node->as<FunctionNode>();
+    if (function_node)
+        function_name = function_node->getFunction()->getName();
+
+    if (function_name == "and")
+    {
+        for (const auto & child : function_node->getArguments())
+            buildJoinCondition(child, builder_context, join_condition);
+        return;
+    }
+
+    bool is_predicate = tryGetJoinPredicate(function_node, builder_context, join_condition);
+    if (is_predicate)
+        return;
+
+    auto expr_source = builder_context.getExpressionSource(node);
+    if (expr_source == JoinInfoBuildContext::JoinSource::Left)
+        join_condition.left_filter_conditions.push_back(builder_context.addExpression(node, expr_source));
+    else if (expr_source == JoinInfoBuildContext::JoinSource::Right)
+        join_condition.right_filter_conditions.push_back(builder_context.addExpression(node, expr_source));
+    else
+        join_condition.residual_conditions.push_back(builder_context.addExpression(node, expr_source));
+}
+
+void buildDisjunctiveJoinConditions(const QueryTreeNodePtr & node, JoinInfoBuildContext & builder_context, std::vector<JoinCondition> & join_conditions)
+{
+    auto * function_node = node->as<FunctionNode>();
+    if (!function_node)
+        throw Exception(ErrorCodes::INVALID_JOIN_ON_EXPRESSION,
+            "JOIN {} join expression expected function",
+            node->formatASTForErrorMessage());
+
+    const auto & function_name = function_node->getFunction()->getName();
+
+    if (function_name == "or")
+    {
+        for (const auto & child : function_node->getArguments())
+            buildDisjunctiveJoinConditions(child, builder_context, join_conditions);
+        return;
+    }
+    buildJoinCondition(node, builder_context, join_conditions.emplace_back());
+}
+
+}
+
+std::unique_ptr<JoinStepLogical> buildJoinStepLogical(
+    const Block & left_header,
+    const Block & right_header,
+    const NameSet & outer_scope_columns,
+    const JoinNode & join_node,
+    const PlannerContextPtr & planner_context)
+{
+    const auto & left_columns = left_header.getColumnsWithTypeAndName();
+    const auto & right_columns = right_header.getColumnsWithTypeAndName();
+    JoinInfoBuildContext build_context(join_node, left_columns, right_columns, planner_context);
+
+    auto join_expression_constant = tryExtractConstantFromConditionNode(join_node.getJoinExpression());
+    build_context.result_join_info.expression.constant_value = join_expression_constant;
+
+    auto join_expression_node = getJoinExpressionFromNode(join_node);
+
+    /// CROSS JOIN: doesn't have expression
+    if (join_expression_node == nullptr)
+    {
+        if (!isCrossOrComma(join_node.getKind()))
+            throw Exception(ErrorCodes::INVALID_JOIN_ON_EXPRESSION, "Missing join expression in {}", join_node.formatASTForErrorMessage());
+    }
+    /// USING
+    else if (join_node.isUsingJoinExpression())
+    {
+        buildJoinOnCondition(join_expression_node, build_context, build_context.result_join_info.expression.condition);
+    }
+    /// JOIN ON some non-constant expression
+    else if (!join_expression_constant.has_value())
+    {
+        if (join_expression_node->getNodeType() != QueryTreeNodeType::FUNCTION)
+            throw Exception(ErrorCodes::INVALID_JOIN_ON_EXPRESSION,
+                "JOIN {} join expression expected function",
+                join_node.formatASTForErrorMessage());
+
+        buildDisjunctiveJoinConditions(join_expression_node, build_context, build_context.result_join_info.expression.disjunctive_conditions);
+        if (!build_context.result_join_info.expression.disjunctive_conditions.empty())
+        {
+            build_context.result_join_info.expression.condition = build_context.result_join_info.expression.disjunctive_conditions.back();
+            build_context.result_join_info.expression.disjunctive_conditions.pop_back();
+        }
+    }
+
+    return std::make_unique<JoinStepLogical>(
+        left_header,
+        right_header,
+        std::move(build_context.result_join_info),
+        std::move(build_context.result_join_expression_actions),
+        Names(outer_scope_columns.begin(), outer_scope_columns.end()),
+        planner_context->getQueryContext());
 }
 
 JoinClausesAndActions buildJoinClausesAndActions(
@@ -684,10 +908,7 @@ std::optional<bool> tryExtractConstantFromJoinNode(const QueryTreeNodePtr & join
     return tryExtractConstantFromConditionNode(join_node_typed.getJoinExpression());
 }
 
-namespace
+PreparedJoinStorage tryGetStorageInTableJoin(const QueryTreeNodePtr & table_expression)
-{
-
-void trySetStorageInTableJoin(const QueryTreeNodePtr & table_expression, std::shared_ptr<TableJoin> & table_join)
 {
     StoragePtr storage;
 
@@ -698,19 +919,31 @@ void trySetStorageInTableJoin(const QueryTreeNodePtr & table_expression, std::sh
 
     auto storage_join = std::dynamic_pointer_cast<StorageJoin>(storage);
     if (storage_join)
+        return storage_join;
+
+    auto storage_dictionary = std::dynamic_pointer_cast<StorageDictionary>(storage);
+    if (storage_dictionary && storage_dictionary->getDictionary()->getSpecialKeyType() != DictionarySpecialKeyType::Range)
+        return std::dynamic_pointer_cast<const IKeyValueEntity>(storage_dictionary->getDictionary());
+
+    if (auto storage_key_value = std::dynamic_pointer_cast<IKeyValueEntity>(storage))
+        return storage_key_value;
+
+    return {};
+}
+
+namespace
+{
+
+void trySetStorageInTableJoin(const QueryTreeNodePtr & table_expression, std::shared_ptr<TableJoin> & table_join)
+{
+    auto storage = tryGetStorageInTableJoin(table_expression);
+    if (std::holds_alternative<std::monostate>(storage))
+        return;
+    std::visit([&table_join](const auto & storage_)
     {
-        table_join->setStorageJoin(storage_join);
+        if constexpr (!std::is_same_v<std::monostate, std::decay_t<decltype(storage_)>>)
-        return;
+            table_join->setStorageJoin(storage_);
-    }
+    }, storage);
-
-    if (!table_join->isEnabledAlgorithm(JoinAlgorithm::DIRECT) && !table_join->isEnabledAlgorithm(JoinAlgorithm::DEFAULT))
-        return;
-
-    if (auto storage_dictionary = std::dynamic_pointer_cast<StorageDictionary>(storage);
-        storage_dictionary && storage_dictionary->getDictionary()->getSpecialKeyType() != DictionarySpecialKeyType::Range)
-        table_join->setStorageJoin(std::dynamic_pointer_cast<const IKeyValueEntity>(storage_dictionary->getDictionary()));
-    else if (auto storage_key_value = std::dynamic_pointer_cast<IKeyValueEntity>(storage); storage_key_value)
-        table_join->setStorageJoin(storage_key_value);
 }
 
 std::shared_ptr<DirectKeyValueJoin> tryDirectJoin(const std::shared_ptr<TableJoin> & table_join,

src/Planner/PlannerJoins.h

@@ -6,8 +6,11 @@
 #include <Interpreters/ActionsDAG.h>
 #include <Interpreters/TableJoin.h>
 #include <Interpreters/IJoin.h>
+#include <Interpreters/JoinInfo.h>
+#include <Processors/QueryPlan/QueryPlan.h>
 
 #include <Analyzer/IQueryTreeNode.h>
+#include <Analyzer/JoinNode.h>
 
 namespace DB
 {
@@ -224,4 +227,16 @@ std::shared_ptr<IJoin> chooseJoinAlgorithm(std::shared_ptr<TableJoin> & table_jo
     const Block & right_table_expression_header,
     const PlannerContextPtr & planner_context);
 
+using PreparedJoinStorage = std::variant<std::monostate, std::shared_ptr<StorageJoin>, std::shared_ptr<const IKeyValueEntity>>;
+PreparedJoinStorage tryGetStorageInTableJoin(const QueryTreeNodePtr & table_expression);
+
+class JoinStepLogical;
+
+std::unique_ptr<JoinStepLogical> buildJoinStepLogical(
+    const Block & left_header,
+    const Block & right_header,
+    const NameSet & outer_scope_columns,
+    const JoinNode & join_node,
+    const PlannerContextPtr & planner_context);
+
 }

src/Processors/QueryPlan/JoinStepLogical.cpp

@@ -0,0 +1,579 @@
+#include <Processors/QueryPlan/JoinStepLogical.h>
+
+#include <Processors/QueryPlan/JoinStep.h>
+
+#include <QueryPipeline/QueryPipelineBuilder.h>
+#include <Processors/Transforms/JoiningTransform.h>
+#include <Interpreters/IJoin.h>
+#include <Interpreters/TableJoin.h>
+#include <Interpreters/Context.h>
+#include <IO/Operators.h>
+#include <Common/JSONBuilder.h>
+#include <Common/typeid_cast.h>
+#include <Interpreters/HashJoin/HashJoin.h>
+#include <Storages/StorageJoin.h>
+#include <ranges>
+#include <Core/Settings.h>
+#include <Functions/FunctionFactory.h>
+#include <Interpreters/PasteJoin.h>
+
+namespace DB
+{
+
+namespace Setting
+{
+    extern const SettingsJoinAlgorithm join_algorithm;
+    extern const SettingsBool join_any_take_last_row;
+}
+
+namespace ErrorCodes
+{
+    extern const int NOT_IMPLEMENTED;
+    extern const int LOGICAL_ERROR;
+    extern const int INVALID_JOIN_ON_EXPRESSION;
+}
+
+std::string_view toString(PredicateOperator op)
+{
+    switch (op)
+    {
+        case PredicateOperator::Equals: return "=";
+        case PredicateOperator::NullSafeEquals: return "<=>";
+        case PredicateOperator::Less: return "<";
+        case PredicateOperator::LessOrEquals: return "<=";
+        case PredicateOperator::Greater: return ">";
+        case PredicateOperator::GreaterOrEquals: return ">=";
+    }
+    throw Exception(ErrorCodes::LOGICAL_ERROR, "Illegal value for PredicateOperator: {}", static_cast<Int32>(op));
+}
+
+
+std::string toFunctionName(PredicateOperator op)
+{
+    switch (op)
+    {
+        case PredicateOperator::Equals: return "equals";
+        case PredicateOperator::NullSafeEquals: return "isNotDistinctFrom";
+        case PredicateOperator::Less: return "less";
+        case PredicateOperator::LessOrEquals: return "lessOrEquals";
+        case PredicateOperator::Greater: return "greater";
+        case PredicateOperator::GreaterOrEquals: return "greaterOrEquals";
+    }
+    throw Exception(ErrorCodes::LOGICAL_ERROR, "Illegal value for PredicateOperator: {}", static_cast<Int32>(op));
+}
+
+std::optional<ASOFJoinInequality> operatorToAsofInequality(PredicateOperator op)
+{
+    switch (op)
+    {
+        case PredicateOperator::Less: return ASOFJoinInequality::Less;
+        case PredicateOperator::LessOrEquals: return ASOFJoinInequality::LessOrEquals;
+        case PredicateOperator::Greater: return ASOFJoinInequality::Greater;
+        case PredicateOperator::GreaterOrEquals: return ASOFJoinInequality::GreaterOrEquals;
+        default: return {};
+    }
+}
+
+void formatJoinCondition(const JoinCondition & join_condition, WriteBuffer & buf)
+{
+    auto quote_string = std::views::transform([](const auto & s) { return fmt::format("({})", s.column_name); });
+    auto format_predicate = std::views::transform([](const auto & p) { return fmt::format("{} {} {}", p.left_node.column_name, toString(p.op), p.right_node.column_name); });
+    buf << "[";
+    buf << fmt::format("Keys: ({})", fmt::join(join_condition.predicates | format_predicate, " AND "));
+    if (!join_condition.left_filter_conditions.empty())
+        buf << " " << fmt::format("Left: ({})", fmt::join(join_condition.left_filter_conditions | quote_string, " AND "));
+    if (!join_condition.right_filter_conditions.empty())
+        buf << " " << fmt::format("Right: ({})", fmt::join(join_condition.right_filter_conditions | quote_string, " AND "));
+    if (!join_condition.residual_conditions.empty())
+        buf << " " << fmt::format("Residual: ({})", fmt::join(join_condition.residual_conditions | quote_string, " AND "));
+    buf << "]";
+}
+
+std::vector<std::pair<String, String>> describeJoinActions(const JoinInfo & join_info)
+{
+    std::vector<std::pair<String, String>> description;
+
+    description.emplace_back("Type", toString(join_info.kind));
+    description.emplace_back("Strictness", toString(join_info.strictness));
+    description.emplace_back("Locality", toString(join_info.locality));
+
+    {
+        WriteBufferFromOwnString join_expression_str;
+        join_expression_str << (join_info.expression.is_using ? "USING" : "ON") << " " ;
+        formatJoinCondition(join_info.expression.condition, join_expression_str);
+        for (const auto & condition : join_info.expression.disjunctive_conditions)
+        {
+            join_expression_str << " | ";
+            formatJoinCondition(condition, join_expression_str);
+        }
+        description.emplace_back("Expression", join_expression_str.str());
+    }
+
+    return description;
+}
+
+
+JoinStepLogical::JoinStepLogical(
+    const Block & left_header_,
+    const Block & right_header_,
+    JoinInfo join_info_,
+    JoinExpressionActions join_expression_actions_,
+    Names required_output_columns_,
+    ContextPtr context_)
+    : expression_actions(std::move(join_expression_actions_))
+    , join_info(std::move(join_info_))
+    , required_output_columns(std::move(required_output_columns_))
+    , query_context(std::move(context_))
+{
+    updateInputHeaders({left_header_, right_header_});
+}
+
+QueryPipelineBuilderPtr JoinStepLogical::updatePipeline(QueryPipelineBuilders /* pipelines */, const BuildQueryPipelineSettings & /* settings */)
+{
+    throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Cannot execute JoinStepLogical, it should be converted physical step first");
+}
+
+
+void JoinStepLogical::describePipeline(FormatSettings & settings) const
+{
+    IQueryPlanStep::describePipeline(processors, settings);
+}
+
+void JoinStepLogical::describeActions(FormatSettings & settings) const
+{
+    String prefix(settings.offset, settings.indent_char);
+    String prefix2(settings.offset + settings.indent, settings.indent_char);
+
+    for (const auto & [name, value] : describeJoinActions(join_info))
+        settings.out << prefix << name << ": " << value << '\n';
+    settings.out << prefix << "Post Expression:\n";
+    ExpressionActions(expression_actions.post_join_actions.clone()).describeActions(settings.out, prefix2);
+    settings.out << prefix << "Left Expression:\n";
+    // settings.out << expression_actions.left_pre_join_actions.dumpDAG();
+    ExpressionActions(expression_actions.left_pre_join_actions.clone()).describeActions(settings.out, prefix2);
+    settings.out << prefix << "Right Expression:\n";
+    ExpressionActions(expression_actions.right_pre_join_actions.clone()).describeActions(settings.out, prefix2);
+}
+
+void JoinStepLogical::describeActions(JSONBuilder::JSONMap & map) const
+{
+    for (const auto & [name, value] : describeJoinActions(join_info))
+        map.add(name, value);
+
+    map.add("Left Actions", ExpressionActions(expression_actions.left_pre_join_actions.clone()).toTree());
+    map.add("Right Actions", ExpressionActions(expression_actions.right_pre_join_actions.clone()).toTree());
+    map.add("Post Actions", ExpressionActions(expression_actions.post_join_actions.clone()).toTree());
+}
+
+static Block stackHeadersFromStreams(const Headers & input_headers, const Names & required_output_columns)
+{
+    NameSet required_output_columns_set(required_output_columns.begin(), required_output_columns.end());
+
+    Block result_header;
+    for (const auto & header : input_headers)
+    {
+        for (const auto & column : header)
+        {
+            if (required_output_columns_set.contains(column.name))
+            {
+                result_header.insert(column);
+            }
+            else if (required_output_columns_set.empty())
+            {
+                /// If no required columns specified, use one first column.
+                result_header.insert(column);
+                return result_header;
+            }
+        }
+    }
+    return result_header;
+}
+
+void JoinStepLogical::updateOutputHeader()
+{
+    output_header = stackHeadersFromStreams(input_headers, required_output_columns);
+}
+
+
+JoinActionRef concatConditions(const std::vector<JoinActionRef> & conditions, ActionsDAG & actions_dag, const ContextPtr & query_context)
+{
+    if (conditions.empty())
+        return JoinActionRef(nullptr);
+
+    if (conditions.size() == 1)
+    {
+        actions_dag.addOrReplaceInOutputs(*conditions.front().node);
+        return conditions.front();
+    }
+
+    auto and_function = FunctionFactory::instance().get("and", query_context);
+    ActionsDAG::NodeRawConstPtrs nodes;
+    nodes.reserve(conditions.size());
+    for (const auto & condition : conditions)
+    {
+        if (!condition.node)
+            throw Exception(ErrorCodes::LOGICAL_ERROR, "Condition node is nullptr");
+        nodes.push_back(condition.node);
+    }
+
+    const auto & result_node = actions_dag.addFunction(and_function, nodes, {});
+    actions_dag.addOrReplaceInOutputs(result_node);
+    return JoinActionRef(&result_node);
+}
+
+JoinActionRef concatMergeConditions(std::vector<JoinActionRef> & conditions, ActionsDAG & actions_dag, const ContextPtr & query_context)
+{
+    auto condition = concatConditions(conditions, actions_dag, query_context);
+    conditions.clear();
+    if (condition)
+        conditions = {condition};
+    return condition;
+}
+
+
+
+/// Can be used when action.node is outside of actions_dag.
+const ActionsDAG::Node & addInputIfAbsent(ActionsDAG & actions_dag, const JoinActionRef & action)
+{
+    for (const auto * node : actions_dag.getInputs())
+    {
+        if (node->result_name == action.column_name)
+        {
+            if (!node->result_type->equals(*action.node->result_type))
+                throw Exception(ErrorCodes::LOGICAL_ERROR, "Column '{}' expected to have type {} but got {}, in actions DAG: {}",
+                    action.column_name, action.node->result_type->getName(), node->result_type->getName(), actions_dag.dumpDAG());
+            return *node;
+        }
+    }
+    return actions_dag.addInput(action.column_name, action.node->result_type);
+}
+
+
+JoinActionRef predicateToCondition(const JoinPredicate & predicate, ActionsDAG & actions_dag, const ContextPtr & query_context)
+{
+    const auto & left_node = addInputIfAbsent(actions_dag, predicate.left_node);
+    const auto & right_node = addInputIfAbsent(actions_dag, predicate.right_node);
+
+    auto operator_function = FunctionFactory::instance().get(toFunctionName(predicate.op), query_context);
+    const auto & result_node = actions_dag.addFunction(operator_function, {&left_node, &right_node}, {});
+    return JoinActionRef(&result_node);
+}
+
+bool canPushDownFromOn(const JoinInfo & join_info, std::optional<JoinTableSide> side = {})
+{
+    if (!join_info.expression.disjunctive_conditions.empty())
+        return false;
+
+    if (join_info.strictness != JoinStrictness::All
+     && join_info.strictness != JoinStrictness::Any
+     && join_info.strictness != JoinStrictness::RightAny
+     && join_info.strictness != JoinStrictness::Semi)
+        return false;
+
+    return join_info.kind == JoinKind::Inner
+        || join_info.kind == JoinKind::Cross
+        || join_info.kind == JoinKind::Comma
+        || join_info.kind == JoinKind::Paste
+        || (side == JoinTableSide::Left && join_info.kind == JoinKind::Right)
+        || (side == JoinTableSide::Right && join_info.kind == JoinKind::Left);
+}
+
+void addRequiredInputToOutput(ActionsDAG & dag, const NameSet & required_output_columns)
+{
+    NameSet existing_output_columns;
+    for (const auto & node : dag.getOutputs())
+        existing_output_columns.insert(node->result_name);
+
+    for (const auto * node : dag.getInputs())
+    {
+        if (!required_output_columns.contains(node->result_name)
+         || existing_output_columns.contains(node->result_name))
+            continue;
+        dag.addOrReplaceInOutputs(*node);
+    }
+}
+
+
+struct JoinPlanningContext
+{
+    bool is_join_with_special_storage = false;
+    bool is_asof = false;
+};
+
+void predicateOperandsToCommonType(JoinPredicate & predicate, JoinExpressionActions & expression_actions, JoinPlanningContext join_context)
+{
+    auto & left_node = predicate.left_node;
+    auto & right_node = predicate.right_node;
+    const auto & left_type = left_node.node->result_type;
+    const auto & right_type = right_node.node->result_type;
+
+    if (left_type->equals(*right_type))
+        return;
+
+    DataTypePtr common_type;
+    try
+    {
+        common_type = getLeastSupertype(DataTypes{left_type, right_type});
+    }
+    catch (Exception & ex)
+    {
+        ex.addMessage("JOIN cannot infer common type in ON section for keys. Left key '{}' type {}. Right key '{}' type {}",
+            left_node.column_name, left_type->getName(),
+            right_node.column_name, right_type->getName());
+        throw;
+    }
+
+    if (!left_type->equals(*common_type))
+    {
+        left_node = JoinActionRef(&expression_actions.left_pre_join_actions.addCast(*left_node.node, common_type, {}));
+        expression_actions.left_pre_join_actions.addOrReplaceInOutputs(*left_node.node);
+    }
+
+    if (!join_context.is_join_with_special_storage && !right_type->equals(*common_type))
+    {
+        right_node = JoinActionRef(&expression_actions.right_pre_join_actions.addCast(*right_node.node, common_type, {}));
+        expression_actions.right_pre_join_actions.addOrReplaceInOutputs(*right_node.node);
+    }
+}
+
+void addJoinConditionToTableJoin(JoinCondition & join_condition, TableJoin::JoinOnClause & table_join_clause, JoinExpressionActions & expression_actions, const ContextPtr & query_context, JoinPlanningContext join_context)
+{
+    std::vector<JoinPredicate> new_predicates;
+    for (size_t i = 0; i < join_condition.predicates.size(); ++i)
+    {
+        auto & predicate = join_condition.predicates[i];
+        predicateOperandsToCommonType(predicate, expression_actions, join_context);
+        if (PredicateOperator::Equals == predicate.op || PredicateOperator::NullSafeEquals == predicate.op)
+        {
+            table_join_clause.addKey(predicate.left_node.column_name, predicate.right_node.column_name, PredicateOperator::NullSafeEquals == predicate.op);
+            new_predicates.push_back(predicate);
+        }
+        else if (!join_context.is_asof)
+        {
+            auto predicate_action = predicateToCondition(predicate, expression_actions.post_join_actions, query_context);
+            join_condition.residual_conditions.push_back(predicate_action);
+        }
+    }
+
+    if (new_predicates.empty())
+    {
+        WriteBufferFromOwnString buf;
+        formatJoinCondition(join_condition, buf);
+        throw Exception(ErrorCodes::INVALID_JOIN_ON_EXPRESSION, "No equality condition found in JOIN ON expression {}", buf.str());
+    }
+
+    join_condition.predicates = std::move(new_predicates);
+}
+
+
+void addRequiredOutputs(ActionsDAG & actions_dag, const Names & required_output_columns)
+{
+    NameSet required_output_columns_set(required_output_columns.begin(), required_output_columns.end());
+    for (const auto * node : actions_dag.getInputs())
+    {
+        if (required_output_columns_set.contains(node->result_name))
+            actions_dag.addOrReplaceInOutputs(*node);
+    }
+}
+
+JoinActionRef buildSingleActionForJoinExpression(const JoinCondition & join_condition, JoinExpressionActions & expression_actions, const ContextPtr & query_context)
+{
+    std::vector<JoinActionRef> all_conditions;
+    auto left_filter_conditions_action = concatConditions(join_condition.left_filter_conditions, expression_actions.left_pre_join_actions, query_context);
+    if (left_filter_conditions_action)
+    {
+        left_filter_conditions_action.node = &addInputIfAbsent(expression_actions.post_join_actions, left_filter_conditions_action);
+        all_conditions.push_back(left_filter_conditions_action);
+    }
+
+    auto right_filter_conditions_action = concatConditions(join_condition.right_filter_conditions, expression_actions.right_pre_join_actions, query_context);
+    if (right_filter_conditions_action)
+    {
+        right_filter_conditions_action.node = &addInputIfAbsent(expression_actions.post_join_actions, right_filter_conditions_action);
+        all_conditions.push_back(right_filter_conditions_action);
+    }
+
+    for (const auto & predicate : join_condition.predicates)
+    {
+        auto predicate_action = predicateToCondition(predicate, expression_actions.post_join_actions, query_context);
+        all_conditions.push_back(predicate_action);
+    }
+
+    return concatConditions(all_conditions, expression_actions.post_join_actions, query_context);
+}
+
+JoinActionRef buildSingleActionForJoinExpression(const JoinExpression & join_expression, JoinExpressionActions & expression_actions, const ContextPtr & query_context)
+{
+    std::vector<JoinActionRef> all_conditions;
+
+    if (auto condition = buildSingleActionForJoinExpression(join_expression.condition, expression_actions, query_context))
+        all_conditions.push_back(condition);
+
+    for (const auto & join_condition : join_expression.disjunctive_conditions)
+        if (auto condition = buildSingleActionForJoinExpression(join_condition, expression_actions, query_context))
+            all_conditions.push_back(condition);
+
+    return concatConditions(all_conditions, expression_actions.post_join_actions, query_context);
+}
+
+JoinPtr JoinStepLogical::chooseJoinAlgorithm(JoinActionRef & left_filter, JoinActionRef & right_filter, JoinActionRef & post_filter, bool is_explain_logical)
+{
+    for (const auto & [name, value] : describeJoinActions(join_info))
+        LOG_DEBUG(&Poco::Logger::get("XXXX"), "{}:{}: {}: {}", __FILE__, __LINE__, name, value);
+
+    const auto & settings = query_context->getSettingsRef();
+
+    auto table_join = std::make_shared<TableJoin>(settings, query_context->getGlobalTemporaryVolume(), query_context->getTempDataOnDisk());
+    table_join->setJoinInfo(join_info);
+
+    auto & join_expression = join_info.expression;
+
+    JoinPlanningContext join_context;
+    join_context.is_join_with_special_storage = std::visit([&](auto && storage_)
+    {
+        if (storage_ && join_expression.disjunctive_conditions.empty())
+        {
+            table_join->setStorageJoin(storage_);
+            return true;
+        }
+        return false;
+    }, prepared_join_storage);
+    join_context.is_asof = join_info.strictness == JoinStrictness::Asof;
+
+    auto & table_join_clauses = table_join->getClauses();
+
+    if (!isCrossOrComma(join_info.kind))
+    {
+        addJoinConditionToTableJoin(
+            join_expression.condition, table_join_clauses.emplace_back(),
+            expression_actions, query_context, join_context);
+    }
+
+    if (auto left_pre_filter_condition = concatMergeConditions(join_expression.condition.left_filter_conditions, expression_actions.left_pre_join_actions, query_context))
+    {
+        if (canPushDownFromOn(join_info, JoinTableSide::Left))
+            left_filter = left_pre_filter_condition;
+        else
+            table_join_clauses.back().analyzer_left_filter_condition_column_name = left_pre_filter_condition.column_name;
+    }
+
+    if (auto right_pre_filter_condition = concatMergeConditions(join_expression.condition.right_filter_conditions, expression_actions.right_pre_join_actions, query_context))
+    {
+        if (canPushDownFromOn(join_info, JoinTableSide::Right))
+            right_filter = right_pre_filter_condition;
+        else
+            table_join_clauses.back().analyzer_right_filter_condition_column_name = right_pre_filter_condition.column_name;
+    }
+
+    if (join_info.strictness == JoinStrictness::Asof)
+    {
+        if (!join_info.expression.disjunctive_conditions.empty())
+            throw Exception(ErrorCodes::INVALID_JOIN_ON_EXPRESSION, "ASOF join does not support multiple disjuncts in JOIN ON expression");
+
+        /// Find strictly only one inequality in predicate list for ASOF join
+        chassert(table_join_clauses.size() == 1);
+        auto & join_predicates = join_info.expression.condition.predicates;
+        bool asof_predicate_found = false;
+        for (auto & predicate : join_predicates)
+        {
+            predicateOperandsToCommonType(predicate, expression_actions, join_context);
+            auto asof_inequality_op = operatorToAsofInequality(predicate.op);
+            if (!asof_inequality_op)
+                continue;
+
+            if (asof_predicate_found)
+                throw Exception(ErrorCodes::INVALID_JOIN_ON_EXPRESSION, "ASOF join does not support multiple inequality predicates in JOIN ON expression");
+            table_join->setAsofInequality(*asof_inequality_op);
+            table_join_clauses.front().addKey(predicate.left_node.column_name, predicate.right_node.column_name, /* null_safe_comparison = */ false);
+        }
+        if (!asof_predicate_found)
+            throw Exception(ErrorCodes::INVALID_JOIN_ON_EXPRESSION, "ASOF join requires one inequality predicate in JOIN ON expression");
+    }
+
+    for (auto & join_condition : join_info.expression.disjunctive_conditions)
+    {
+        auto & table_join_clause = table_join_clauses.emplace_back();
+        addJoinConditionToTableJoin(join_condition, table_join_clause, expression_actions, query_context, join_context);
+        if (auto left_pre_filter_condition = concatMergeConditions(join_condition.left_filter_conditions, expression_actions.left_pre_join_actions, query_context))
+            table_join_clause.analyzer_left_filter_condition_column_name = left_pre_filter_condition.column_name;
+        if (auto right_pre_filter_condition = concatMergeConditions(join_condition.right_filter_conditions, expression_actions.right_pre_join_actions, query_context))
+            table_join_clause.analyzer_right_filter_condition_column_name = right_pre_filter_condition.column_name;
+    }
+
+    JoinActionRef residual_filter_condition(nullptr);
+    if (join_info.expression.disjunctive_conditions.empty())
+    {
+        residual_filter_condition = concatMergeConditions(
+            join_info.expression.condition.residual_conditions, expression_actions.post_join_actions, query_context);
+        LOG_DEBUG(&Poco::Logger::get("XXXX"), "{}:{}: [{}]", __FILE__, __LINE__, fmt::join(expression_actions.post_join_actions.getOutputs() | std::views::transform([](const auto * node) { return node->result_name; }), ", "));
+    }
+    else
+    {
+        bool need_residual_filter = !join_info.expression.condition.residual_conditions.empty();
+        for (const auto & join_condition : join_info.expression.disjunctive_conditions)
+        {
+            need_residual_filter = need_residual_filter || !join_condition.residual_conditions.empty();
+            if (need_residual_filter)
+                break;
+        }
+
+        if (need_residual_filter)
+            residual_filter_condition = buildSingleActionForJoinExpression(join_info.expression, expression_actions, query_context);
+        LOG_DEBUG(&Poco::Logger::get("XXXX"), "{}:{}: [{}]", __FILE__, __LINE__, fmt::join(expression_actions.post_join_actions.getOutputs() | std::views::transform([](const auto * node) { return node->result_name; }), ", "));
+    }
+    LOG_DEBUG(&Poco::Logger::get("XXXX"), "{}:{}: [{}]", __FILE__, __LINE__, fmt::join(expression_actions.post_join_actions.getOutputs() | std::views::transform([](const auto * node) { return node->result_name; }), ", "));
+    LOG_DEBUG(&Poco::Logger::get("XXXX"), "{}:{}: residual_filter_condition {} ", __FILE__, __LINE__, residual_filter_condition.column_name);
+
+
+    if (residual_filter_condition && canPushDownFromOn(join_info))
+    {
+        post_filter = residual_filter_condition;
+    }
+    else if (residual_filter_condition)
+    {
+        ActionsDAG dag;
+        if (is_explain_logical)
+        {
+            /// Keep post_join_actions for explain
+            dag = expression_actions.post_join_actions.clone();
+        }
+        else
+        {
+            /// Move post_join_actions to join, replace with no-op dag
+            dag = std::move(expression_actions.post_join_actions);
+            expression_actions.post_join_actions = ActionsDAG(dag.getRequiredColumns());
+        }
+        auto & outputs = dag.getOutputs();
+        for (const auto * node : outputs)
+        {
+            if (node->result_name == residual_filter_condition.column_name)
+            {
+                outputs = {node};
+                break;
+            }
+        }
+        ExpressionActionsPtr & mixed_join_expression = table_join->getMixedJoinExpression();
+        mixed_join_expression = std::make_shared<ExpressionActions>(std::move(dag), ExpressionActionsSettings::fromContext(query_context));
+    }
+
+    NameSet required_output_columns_set(required_output_columns.begin(), required_output_columns.end());
+    addRequiredInputToOutput(expression_actions.left_pre_join_actions, required_output_columns_set);
+    addRequiredInputToOutput(expression_actions.right_pre_join_actions, required_output_columns_set);
+    addRequiredInputToOutput(expression_actions.post_join_actions, required_output_columns_set);
+
+    table_join->setInputColumns(
+        expression_actions.left_pre_join_actions.getNamesAndTypesList(),
+        expression_actions.right_pre_join_actions.getNamesAndTypesList());
+    table_join->setUsedColumns(expression_actions.post_join_actions.getRequiredColumnsNames());
+
+    Block right_sample_block(expression_actions.right_pre_join_actions.getResultColumns());
+    JoinPtr join_ptr;
+    if (join_info.kind == JoinKind::Paste)
+        join_ptr = std::make_shared<PasteJoin>(table_join, right_sample_block);
+    else
+        join_ptr = std::make_shared<HashJoin>(table_join, right_sample_block, settings[Setting::join_any_take_last_row]);
+
+    return join_ptr;
+}
+
+}

src/Processors/QueryPlan/JoinStepLogical.h

@@ -0,0 +1,60 @@
+#pragma once
+
+#include <Processors/QueryPlan/IQueryPlanStep.h>
+#include <Processors/QueryPlan/ITransformingStep.h>
+#include <Interpreters/JoinInfo.h>
+#include <Processors/QueryPlan/JoinStep.h>
+
+namespace DB
+{
+
+class StorageJoin;
+class IKeyValueEntity;
+
+/** JoinStepLogical is a logical step for JOIN operation.
+  * Doesn't contain any specific join algorithm or other execution details.
+  * It's place holder for join operation with it's description that can be serialized.
+  * Transformed to actual join step during plan optimization.
+  */
+class JoinStepLogical final : public IQueryPlanStep
+{
+public:
+    JoinStepLogical(
+        const Block & left_header_,
+        const Block & right_header_,
+        JoinInfo join_info_,
+        JoinExpressionActions join_expression_actions_,
+        Names required_output_columns_,
+        ContextPtr context_);
+
+    String getName() const override { return "JoinLogical"; }
+
+    QueryPipelineBuilderPtr updatePipeline(QueryPipelineBuilders pipelines, const BuildQueryPipelineSettings &) override;
+
+    void describePipeline(FormatSettings & settings) const override;
+
+    void describeActions(JSONBuilder::JSONMap & map) const override;
+    void describeActions(FormatSettings & settings) const override;
+
+    template <typename T>
+    void setPreparedJoinStorage(T storage) { prepared_join_storage.emplace<T>(std::move(storage)); }
+
+    JoinPtr chooseJoinAlgorithm(JoinActionRef & left_filter, JoinActionRef & right_filter, JoinActionRef & post_filter, bool is_explain_logical);
+
+    JoinExpressionActions & getExpressionActions() { return expression_actions; }
+
+    ContextPtr getContext() const { return query_context; }
+
+protected:
+    void updateOutputHeader() override;
+
+    JoinExpressionActions expression_actions;
+    JoinInfo join_info;
+
+    Names required_output_columns;
+    ContextPtr query_context;
+
+    std::variant<std::shared_ptr<StorageJoin>, std::shared_ptr<const IKeyValueEntity>> prepared_join_storage;
+};
+
+}

src/Processors/QueryPlan/Optimizations/Optimizations.h

@@ -113,6 +113,7 @@ void optimizePrimaryKeyConditionAndLimit(const Stack & stack);
 void optimizePrewhere(Stack & stack, QueryPlan::Nodes & nodes);
 void optimizeReadInOrder(QueryPlan::Node & node, QueryPlan::Nodes & nodes);
 void optimizeAggregationInOrder(QueryPlan::Node & node, QueryPlan::Nodes &);
+void optimizeJoin(QueryPlan::Node & node, QueryPlan::Nodes &, bool keep_logical);
 void optimizeDistinctInOrder(QueryPlan::Node & node, QueryPlan::Nodes &);
 
 /// A separate tree traverse to apply sorting properties after *InOrder optimizations.

src/Processors/QueryPlan/Optimizations/QueryPlanOptimizationSettings.h

@@ -80,6 +80,8 @@ struct QueryPlanOptimizationSettings
 
     bool build_sets = true;
 
+    bool keep_logical_steps = false;
+
     static QueryPlanOptimizationSettings fromSettings(const Settings & from);
     static QueryPlanOptimizationSettings fromContext(ContextPtr from);
 };

src/Processors/QueryPlan/Optimizations/optimizeJoin.cpp

@@ -0,0 +1,116 @@
+#include <Processors/QueryPlan/ExpressionStep.h>
+#include <Processors/QueryPlan/FilterStep.h>
+#include <Processors/QueryPlan/ITransformingStep.h>
+#include <Processors/QueryPlan/JoinStep.h>
+#include <Processors/QueryPlan/Optimizations/Optimizations.h>
+#include <Processors/QueryPlan/Optimizations/actionsDAGUtils.h>
+#include <Processors/QueryPlan/ReadFromMergeTree.h>
+#include <Processors/QueryPlan/SortingStep.h>
+#include <Processors/QueryPlan/JoinStepLogical.h>
+#include <Storages/StorageMemory.h>
+#include <Processors/QueryPlan/ReadFromMemoryStorageStep.h>
+#include <Core/Settings.h>
+#include <Processors/QueryPlan/ReadFromPreparedSource.h>
+#include <Interpreters/IJoin.h>
+#include <Interpreters/HashJoin/HashJoin.h>
+#include <Interpreters/TableJoin.h>
+
+#include <Common/logger_useful.h>
+#include <Core/Joins.h>
+#include <ranges>
+#include <memory>
+
+
+namespace DB::Setting
+{
+    extern const SettingsMaxThreads max_threads;
+    extern const SettingsUInt64 max_block_size;
+}
+
+namespace DB::QueryPlanOptimizations
+{
+
+static std::optional<UInt64> estimateReadRowsCount(QueryPlan::Node & node)
+{
+    IQueryPlanStep * step = node.step.get();
+    if (const auto * reading = typeid_cast<const ReadFromMergeTree *>(step))
+    {
+        if (auto analyzed_result = reading->getAnalyzedResult())
+            return analyzed_result->selected_rows;
+        if (auto analyzed_result = reading->selectRangesToRead())
+            return analyzed_result->selected_rows;
+        return {};
+    }
+
+    if (const auto * reading = typeid_cast<const ReadFromMemoryStorageStep *>(step))
+        return reading->getStorage()->totalRows(Settings{});
+
+    if (node.children.size() != 1)
+        return {};
+
+    if (typeid_cast<ExpressionStep *>(step) || typeid_cast<FilterStep *>(step))
+        return estimateReadRowsCount(*node.children.front());
+
+    return {};
+}
+
+QueryPlan::Node * makeExpressionNodeOnTopOf(QueryPlan::Node * node, ActionsDAG actions_dag, const String & filter_column_name, QueryPlan::Nodes & nodes)
+{
+    const auto & header = node->step->getOutputHeader();
+
+    QueryPlanStepPtr step;
+
+    if (filter_column_name.empty())
+        step = std::make_unique<ExpressionStep>(header, std::move(actions_dag));
+    else
+        step = std::make_unique<FilterStep>(header, std::move(actions_dag), filter_column_name, false);
+
+    return &nodes.emplace_back(QueryPlan::Node{std::move(step), {node}});
+}
+
+void optimizeJoin(QueryPlan::Node & node, QueryPlan::Nodes & nodes, bool keep_logical)
+{
+    auto * join_step = typeid_cast<JoinStepLogical *>(node.step.get());
+    if (!join_step || node.children.size() != 2)
+        return;
+
+    JoinActionRef left_filter(nullptr);
+    JoinActionRef right_filter(nullptr);
+    JoinActionRef post_filter(nullptr);
+    auto join_ptr = join_step->chooseJoinAlgorithm(left_filter, right_filter, post_filter, keep_logical);
+    if (keep_logical)
+        return;
+
+    auto & join_expression_actions = join_step->getExpressionActions();
+
+    auto * new_left_node = makeExpressionNodeOnTopOf(node.children[0], std::move(join_expression_actions.left_pre_join_actions), left_filter.column_name, nodes);
+    auto * new_right_node = makeExpressionNodeOnTopOf(node.children[1], std::move(join_expression_actions.right_pre_join_actions), right_filter.column_name, nodes);
+
+    const auto & settings = join_step->getContext()->getSettingsRef();
+
+    auto new_join_step = std::make_unique<JoinStep>(
+        new_left_node->step->getOutputHeader(),
+        new_right_node->step->getOutputHeader(),
+        join_ptr,
+        settings[Setting::max_block_size],
+        settings[Setting::max_threads],
+        false);
+
+    auto & new_join_node = nodes.emplace_back();
+    new_join_node.step = std::move(new_join_step);
+    new_join_node.children = {new_left_node, new_right_node};
+
+    {
+        WriteBufferFromOwnString buffer;
+        IQueryPlanStep::FormatSettings settings_out{.out = buffer, .write_header = true};
+        new_join_node.step->describeActions(settings_out);
+    }
+
+    if (!post_filter)
+        node.step = std::make_unique<ExpressionStep>(new_join_node.step->getOutputHeader(), std::move(join_expression_actions.post_join_actions));
+    else
+        node.step = std::make_unique<FilterStep>(new_join_node.step->getOutputHeader(), std::move(join_expression_actions.post_join_actions), post_filter.column_name, false);
+    node.children = {&new_join_node};
+}
+
+}

src/Processors/QueryPlan/Optimizations/optimizeTree.cpp

@@ -168,6 +168,8 @@ void optimizeTreeSecondPass(const QueryPlanOptimizationSettings & optimization_s
 
                 if (optimization_settings.aggregation_in_order)
                     optimizeAggregationInOrder(*frame.node, nodes);
+
+                optimizeJoin(*frame.node, nodes, optimization_settings.keep_logical_steps);
             }
 
             /// Traverse all children first.

src/Processors/QueryPlan/QueryPlan.cpp

@@ -18,7 +18,7 @@
 #include <Processors/QueryPlan/QueryPlanVisitor.h>
 
 #include <QueryPipeline/QueryPipelineBuilder.h>
-
+#include <Planner/Utils.h>
 
 namespace DB
 {
@@ -26,6 +26,7 @@ namespace DB
 namespace ErrorCodes
 {
     extern const int LOGICAL_ERROR;
+    extern const int NOT_FOUND_COLUMN_IN_BLOCK;
 }
 
 QueryPlan::QueryPlan() = default;
@@ -460,16 +461,25 @@ void QueryPlan::explainPipeline(WriteBuffer & buffer, const ExplainPipelineOptio
 
 void QueryPlan::optimize(const QueryPlanOptimizationSettings & optimization_settings)
 {
-    /// optimization need to be applied before "mergeExpressions" optimization
+    try
-    /// it removes redundant sorting steps, but keep underlying expressions,
+    {
-    /// so "mergeExpressions" optimization handles them afterwards
+        /// optimization need to be applied before "mergeExpressions" optimization
-    if (optimization_settings.remove_redundant_sorting)
+        /// it removes redundant sorting steps, but keep underlying expressions,
-        QueryPlanOptimizations::tryRemoveRedundantSorting(root);
+        /// so "mergeExpressions" optimization handles them afterwards
+        if (optimization_settings.remove_redundant_sorting)
+            QueryPlanOptimizations::tryRemoveRedundantSorting(root);
 
-    QueryPlanOptimizations::optimizeTreeFirstPass(optimization_settings, *root, nodes);
+        QueryPlanOptimizations::optimizeTreeFirstPass(optimization_settings, *root, nodes);
-    QueryPlanOptimizations::optimizeTreeSecondPass(optimization_settings, *root, nodes);
+        QueryPlanOptimizations::optimizeTreeSecondPass(optimization_settings, *root, nodes);
-    if (optimization_settings.build_sets)
+        if (optimization_settings.build_sets)
-        QueryPlanOptimizations::addStepsToBuildSets(*this, *root, nodes);
+            QueryPlanOptimizations::addStepsToBuildSets(*this, *root, nodes);
+    }
+    catch (Exception & e)
+    {
+        if (e.code() == ErrorCodes::NOT_FOUND_COLUMN_IN_BLOCK)
+            e.addMessage("while optimizing query plan:\n{}", dumpQueryPlan(*this));
+        throw;
+    }
 }
 
 void QueryPlan::explainEstimate(MutableColumns & columns) const

src/Processors/QueryPlan/ReadFromMemoryStorageStep.h

@@ -33,6 +33,8 @@ public:
 
     String getName() const override { return name; }
 
+    const StoragePtr & getStorage() const { return storage; }
+
     void initializePipeline(QueryPipelineBuilder & pipeline, const BuildQueryPipelineSettings &) override;
 
 private:

src/Processors/QueryPlan/ReadFromPreparedSource.cpp

@@ -1,6 +1,7 @@
 #include <Processors/Formats/IInputFormat.h>
 #include <Processors/QueryPlan/ReadFromPreparedSource.h>
 #include <QueryPipeline/QueryPipelineBuilder.h>
+#include <Storages/IStorage.h>
 
 namespace DB
 {
@@ -21,14 +22,15 @@ void ReadFromPreparedSource::initializePipeline(QueryPipelineBuilder & pipeline,
 
 ReadFromStorageStep::ReadFromStorageStep(
     Pipe pipe_,
-    String storage_name,
+    StoragePtr storage_,
     ContextPtr context_,
     const SelectQueryInfo & query_info_)
     : ReadFromPreparedSource(std::move(pipe_))
+    , storage(std::move(storage_))
     , context(std::move(context_))
     , query_info(query_info_)
 {
-    setStepDescription(storage_name);
+    setStepDescription(storage->getName());
 
     for (const auto & processor : pipe.getProcessors())
         processor->setStorageLimits(query_info.storage_limits);

src/Processors/QueryPlan/ReadFromPreparedSource.h

@@ -21,14 +21,18 @@ protected:
     Pipe pipe;
 };
 
-class ReadFromStorageStep : public ReadFromPreparedSource
+class ReadFromStorageStep final : public ReadFromPreparedSource
 {
 public:
-    ReadFromStorageStep(Pipe pipe_, String storage_name, ContextPtr context_, const SelectQueryInfo & query_info_);
+    ReadFromStorageStep(Pipe pipe_, StoragePtr storage_, ContextPtr context_, const SelectQueryInfo & query_info_);
 
     String getName() const override { return "ReadFromStorage"; }
 
+    const StoragePtr & getStorage() const { return storage; }
+
 private:
+    StoragePtr storage;
+
     ContextPtr context;
     SelectQueryInfo query_info;
 };

src/Storages/IStorage.cpp

@@ -165,7 +165,7 @@ void IStorage::read(
     if (parallelize_output && parallelizeOutputAfterReading(context) && output_ports > 0 && output_ports < num_streams)
         pipe.resize(num_streams);
 
-    readFromPipe(query_plan, std::move(pipe), column_names, storage_snapshot, query_info, context, getName());
+    readFromPipe(query_plan, std::move(pipe), column_names, storage_snapshot, query_info, context, shared_from_this());
 }
 
 void IStorage::readFromPipe(
@@ -175,7 +175,7 @@ void IStorage::readFromPipe(
     const StorageSnapshotPtr & storage_snapshot,
     SelectQueryInfo & query_info,
     ContextPtr context,
-    std::string storage_name)
+    std::shared_ptr<IStorage> storage_)
 {
     if (pipe.empty())
     {
@@ -184,7 +184,7 @@ void IStorage::readFromPipe(
     }
     else
     {
-        auto read_step = std::make_unique<ReadFromStorageStep>(std::move(pipe), storage_name, context, query_info);
+        auto read_step = std::make_unique<ReadFromStorageStep>(std::move(pipe), storage_, context, query_info);
         query_plan.addStep(std::move(read_step));
     }
 }

src/Storages/IStorage.h

@@ -757,7 +757,7 @@ public:
         const StorageSnapshotPtr & storage_snapshot,
         SelectQueryInfo & query_info,
         ContextPtr context,
-        std::string storage_name);
+        std::shared_ptr<IStorage> storage_);
 
 private:
     /// Lock required for alter queries (lockForAlter).

src/Storages/NATS/StorageNATS.cpp

@@ -398,7 +398,7 @@ void StorageNATS::read(
     }
     else
     {
-        auto read_step = std::make_unique<ReadFromStorageStep>(std::move(pipe), getName(), local_context, query_info);
+        auto read_step = std::make_unique<ReadFromStorageStep>(std::move(pipe), shared_from_this(), local_context, query_info);
         query_plan.addStep(std::move(read_step));
         query_plan.addInterpreterContext(modified_context);
     }

src/Storages/RabbitMQ/StorageRabbitMQ.cpp

@@ -839,7 +839,7 @@ void StorageRabbitMQ::read(
     }
     else
     {
-        auto read_step = std::make_unique<ReadFromStorageStep>(std::move(pipe), getName(), local_context, query_info);
+        auto read_step = std::make_unique<ReadFromStorageStep>(std::move(pipe), shared_from_this(), local_context, query_info);
         query_plan.addStep(std::move(read_step));
         query_plan.addInterpreterContext(modified_context);
     }

src/Storages/StorageExecutable.cpp

@@ -200,7 +200,7 @@ void StorageExecutable::read(
     }
 
     auto pipe = coordinator->createPipe(script_path, settings->script_arguments, std::move(inputs), std::move(sample_block), context, configuration);
-    IStorage::readFromPipe(query_plan, std::move(pipe), column_names, storage_snapshot, query_info, context, getName());
+    IStorage::readFromPipe(query_plan, std::move(pipe), column_names, storage_snapshot, query_info, context, shared_from_this());
     query_plan.addResources(std::move(resources));
 }