Fix parsing error in WithNames formats while reading subset of columns with disabled input_format_with_names_use_header

src/Analyzer/Passes/QueryAnalysisPass.cpp

@@ -6341,9 +6341,9 @@ void QueryAnalyzer::resolveTableFunction(QueryTreeNodePtr & table_function_node,
             {
                 /// For input function we should check if input format supports reading subset of columns.
                 if (table_function_ptr->getName() == "input")
-                    use_columns_from_insert_query = FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(scope.context->getInsertFormat());
+                    use_columns_from_insert_query = FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(scope.context->getInsertFormat(), scope.context);
                 else
-                    use_columns_from_insert_query = table_function_ptr->supportsReadingSubsetOfColumns();
+                    use_columns_from_insert_query = table_function_ptr->supportsReadingSubsetOfColumns(scope.context);
             }
 
             if (use_columns_from_insert_query)

src/Formats/FormatFactory.cpp

@@ -684,10 +684,18 @@ void FormatFactory::markOutputFormatSupportsParallelFormatting(const String & na
 
 void FormatFactory::markFormatSupportsSubsetOfColumns(const String & name)
 {
-    auto & target = dict[name].supports_subset_of_columns;
+    auto & target = dict[name].subset_of_columns_support_checker;
     if (target)
         throw Exception(ErrorCodes::LOGICAL_ERROR, "FormatFactory: Format {} is already marked as supporting subset of columns", name);
-    target = true;
+    target = [](const FormatSettings &){ return true; };
+}
+
+void FormatFactory::registerSubsetOfColumnsSupportChecker(const String & name, SubsetOfColumnsSupportChecker subset_of_columns_support_checker)
+{
+    auto & target = dict[name].subset_of_columns_support_checker;
+    if (target)
+        throw Exception(ErrorCodes::LOGICAL_ERROR, "FormatFactory: Format {} is already marked as supporting subset of columns", name);
+    target = std::move(subset_of_columns_support_checker);
 }
 
 void FormatFactory::markOutputFormatPrefersLargeBlocks(const String & name)
@@ -698,10 +706,11 @@ void FormatFactory::markOutputFormatPrefersLargeBlocks(const String & name)
     target = true;
 }
 
-bool FormatFactory::checkIfFormatSupportsSubsetOfColumns(const String & name) const
+bool FormatFactory::checkIfFormatSupportsSubsetOfColumns(const DB::String & name, const ContextPtr & context, const std::optional<FormatSettings> & format_settings_) const
 {
     const auto & target = getCreators(name);
-    return target.supports_subset_of_columns;
+    auto format_settings = format_settings_ ? *format_settings_ : getFormatSettings(context);
+    return target.subset_of_columns_support_checker && target.subset_of_columns_support_checker(format_settings);
 }
 
 void FormatFactory::registerAdditionalInfoForSchemaCacheGetter(

src/Formats/FormatFactory.h

@@ -123,6 +123,10 @@ private:
     /// and the name of the message.
     using AdditionalInfoForSchemaCacheGetter = std::function<String(const FormatSettings & settings)>;
 
+    /// Some formats can support reading subset of columns depending on settings.
+    /// The checker should return true if format support append.
+    using SubsetOfColumnsSupportChecker = std::function<bool(const FormatSettings & settings)>;
+
     struct Creators
     {
         InputCreator input_creator;
@@ -133,11 +137,11 @@ private:
         ExternalSchemaReaderCreator external_schema_reader_creator;
         bool supports_parallel_formatting{false};
         bool supports_subcolumns{false};
-        bool supports_subset_of_columns{false};
         bool prefers_large_blocks{false};
         NonTrivialPrefixAndSuffixChecker non_trivial_prefix_and_suffix_checker;
         AppendSupportChecker append_support_checker;
         AdditionalInfoForSchemaCacheGetter additional_info_for_schema_cache_getter;
+        SubsetOfColumnsSupportChecker subset_of_columns_support_checker;
     };
 
     using FormatsDictionary = std::unordered_map<String, Creators>;
@@ -225,9 +229,10 @@ public:
 
     void markOutputFormatSupportsParallelFormatting(const String & name);
     void markOutputFormatPrefersLargeBlocks(const String & name);
-    void markFormatSupportsSubsetOfColumns(const String & name);
 
-    bool checkIfFormatSupportsSubsetOfColumns(const String & name) const;
+    void markFormatSupportsSubsetOfColumns(const String & name);
+    void registerSubsetOfColumnsSupportChecker(const String & name, SubsetOfColumnsSupportChecker subset_of_columns_support_checker);
+    bool checkIfFormatSupportsSubsetOfColumns(const String & name, const ContextPtr & context, const std::optional<FormatSettings> & format_settings_ = std::nullopt) const;
 
     bool checkIfFormatHasSchemaReader(const String & name) const;
     bool checkIfFormatHasExternalSchemaReader(const String & name) const;

src/Formats/registerWithNamesAndTypes.cpp

@@ -12,8 +12,9 @@ void registerWithNamesAndTypes(const std::string & base_format_name, RegisterWit
 
 void markFormatWithNamesAndTypesSupportsSamplingColumns(const std::string & base_format_name, FormatFactory & factory)
 {
-    factory.markFormatSupportsSubsetOfColumns(base_format_name + "WithNames");
-    factory.markFormatSupportsSubsetOfColumns(base_format_name + "WithNamesAndTypes");
+    auto setting_checker = [](const FormatSettings & settings){ return settings.with_names_use_header; };
+    factory.registerSubsetOfColumnsSupportChecker(base_format_name + "WithNames", setting_checker);
+    factory.registerSubsetOfColumnsSupportChecker(base_format_name + "WithNamesAndTypes", setting_checker);
 }
 
 }

src/Interpreters/Context.cpp

@@ -1684,9 +1684,9 @@ StoragePtr Context::executeTableFunction(const ASTPtr & table_expression, const
             {
                 /// For input function we should check if input format supports reading subset of columns.
                 if (table_function_ptr->getName() == "input")
-                    use_columns_from_insert_query = FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(getInsertFormat());
+                    use_columns_from_insert_query = FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(getInsertFormat(), shared_from_this());
                 else
-                    use_columns_from_insert_query = table_function_ptr->supportsReadingSubsetOfColumns();
+                    use_columns_from_insert_query = table_function_ptr->supportsReadingSubsetOfColumns(shared_from_this());
             }
 
             if (use_columns_from_insert_query)

src/Storages/HDFS/StorageHDFS.cpp

@@ -838,9 +838,9 @@ private:
 };
 
 
-bool StorageHDFS::supportsSubsetOfColumns() const
+bool StorageHDFS::supportsSubsetOfColumns(const ContextPtr & context_) const
 {
-    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(format_name);
+    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(format_name, context_);
 }
 
 Pipe StorageHDFS::read(
@@ -878,7 +878,7 @@ Pipe StorageHDFS::read(
         });
     }
 
-    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(), getVirtuals());
+    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(context_), getVirtuals());
     bool need_only_count = (query_info.optimize_trivial_count || read_from_format_info.requested_columns.empty())
         && context_->getSettingsRef().optimize_count_from_files;
 

src/Storages/HDFS/StorageHDFS.h

@@ -76,7 +76,7 @@ public:
     /// Is is useful because column oriented formats could effectively skip unknown columns
     /// So we can create a header of only required columns in read method and ask
     /// format to read only them. Note: this hack cannot be done with ordinary formats like TSV.
-    bool supportsSubsetOfColumns() const override;
+    bool supportsSubsetOfColumns(const ContextPtr & context_) const;
 
     bool supportsSubcolumns() const override { return true; }
 

src/Storages/Hive/StorageHive.h

@@ -65,7 +65,7 @@ public:
 
     NamesAndTypesList getVirtuals() const override;
 
-    bool supportsSubsetOfColumns() const override;
+    bool supportsSubsetOfColumns() const;
 
     std::optional<UInt64> totalRows(const Settings & settings) const override;
     std::optional<UInt64> totalRowsByPartitionPredicate(const SelectQueryInfo & query_info, ContextPtr context_) const override;

src/Storages/IStorage.h

@@ -620,8 +620,6 @@ public:
     /// NOTE: write-once also does not support INSERTs/merges/... for MergeTree
     virtual bool isStaticStorage() const;
 
-    virtual bool supportsSubsetOfColumns() const { return false; }
-
     /// If it is possible to quickly determine exact number of rows in the table at this moment of time, then return it.
     /// Used for:
     /// - Simple count() optimization

src/Storages/S3Queue/StorageS3Queue.cpp

@@ -162,9 +162,9 @@ bool StorageS3Queue::supportsSubcolumns() const
     return true;
 }
 
-bool StorageS3Queue::supportsSubsetOfColumns() const
+bool StorageS3Queue::supportsSubsetOfColumns(const ContextPtr & context_) const
 {
-    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format);
+    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format, context_, format_settings);
 }
 
 Pipe StorageS3Queue::read(
@@ -187,7 +187,7 @@ Pipe StorageS3Queue::read(
 
     std::shared_ptr<StorageS3Source::IIterator> iterator_wrapper = createFileIterator(local_context, query_info.query);
 
-    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(), getVirtuals());
+    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(local_context), getVirtuals());
 
     const size_t max_download_threads = local_context->getSettingsRef().max_download_threads;
 
@@ -363,7 +363,7 @@ void StorageS3Queue::streamToViews()
     // Create a stream for each consumer and join them in a union stream
 
     std::shared_ptr<StorageS3Source::IIterator> iterator_wrapper = createFileIterator(s3queue_context, nullptr);
-    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(), getVirtuals());
+    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(getContext()), getVirtuals());
     const size_t max_download_threads = s3queue_context->getSettingsRef().max_download_threads;
 
     auto pipe = Pipe(std::make_shared<StorageS3QueueSource>(

src/Storages/S3Queue/StorageS3Queue.h

@@ -125,7 +125,7 @@ private:
     };
     std::shared_ptr<TaskContext> task;
 
-    bool supportsSubsetOfColumns() const override;
+    bool supportsSubsetOfColumns(const ContextPtr & context_) const;
 
     const UInt32 zk_create_table_retries = 1000;
     bool createTableIfNotExists(const StorageMetadataPtr & metadata_snapshot);

src/Storages/StorageAzureBlob.cpp

@@ -687,7 +687,7 @@ Pipe StorageAzureBlob::read(
             query_info.query, virtual_columns, local_context, nullptr, local_context->getFileProgressCallback());
     }
 
-    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(), getVirtuals());
+    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(local_context), getVirtuals());
     bool need_only_count = (query_info.optimize_trivial_count || read_from_format_info.requested_columns.empty())
         && local_context->getSettingsRef().optimize_count_from_files;
 
@@ -792,9 +792,9 @@ bool StorageAzureBlob::supportsPartitionBy() const
     return true;
 }
 
-bool StorageAzureBlob::supportsSubsetOfColumns() const
+bool StorageAzureBlob::supportsSubsetOfColumns(const ContextPtr & context) const
 {
-    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format);
+    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format, context, format_settings);
 }
 
 bool StorageAzureBlob::prefersLargeBlocks() const

src/Storages/StorageAzureBlob.h

@@ -99,7 +99,7 @@ public:
 
     bool supportsSubcolumns() const override { return true; }
 
-    bool supportsSubsetOfColumns() const override;
+    bool supportsSubsetOfColumns(const ContextPtr & context) const;
 
     bool supportsTrivialCountOptimization() const override { return true; }
 

src/Storages/StorageFile.cpp

@@ -803,9 +803,9 @@ ColumnsDescription StorageFile::getTableStructureFromFile(
     return columns;
 }
 
-bool StorageFile::supportsSubsetOfColumns() const
+bool StorageFile::supportsSubsetOfColumns(const ContextPtr & context) const
 {
-    return format_name != "Distributed" && FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(format_name);
+    return format_name != "Distributed" && FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(format_name, context, format_settings);
 }
 
 bool StorageFile::prefersLargeBlocks() const
@@ -1433,7 +1433,7 @@ Pipe StorageFile::read(
     if (progress_callback && !archive_info)
         progress_callback(FileProgress(0, total_bytes_to_read));
 
-    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(), getVirtuals());
+    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(context), getVirtuals());
     bool need_only_count = (query_info.optimize_trivial_count || read_from_format_info.requested_columns.empty())
         && context->getSettingsRef().optimize_count_from_files;
 

src/Storages/StorageFile.h

@@ -74,7 +74,7 @@ public:
     /// Is is useful because such formats could effectively skip unknown columns
     /// So we can create a header of only required columns in read method and ask
     /// format to read only them. Note: this hack cannot be done with ordinary formats like TSV.
-    bool supportsSubsetOfColumns() const override;
+    bool supportsSubsetOfColumns(const ContextPtr & context) const;
 
     bool supportsSubcolumns() const override { return true; }
 

src/Storages/StorageS3.cpp

@@ -983,9 +983,9 @@ std::shared_ptr<StorageS3Source::IIterator> StorageS3::createFileIterator(
     }
 }
 
-bool StorageS3::supportsSubsetOfColumns() const
+bool StorageS3::supportsSubsetOfColumns(const ContextPtr & context) const
 {
-    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format);
+    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format, context, format_settings);
 }
 
 bool StorageS3::prefersLargeBlocks() const
@@ -1017,7 +1017,7 @@ Pipe StorageS3::read(
     std::shared_ptr<StorageS3Source::IIterator> iterator_wrapper = createFileIterator(
         query_configuration, distributed_processing, local_context, query_info.query, virtual_columns, nullptr, local_context->getFileProgressCallback());
 
-    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(), getVirtuals());
+    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(local_context), getVirtuals());
     bool need_only_count = (query_info.optimize_trivial_count || read_from_format_info.requested_columns.empty())
         && local_context->getSettingsRef().optimize_count_from_files;
 

src/Storages/StorageS3.h

@@ -388,7 +388,7 @@ private:
 
     bool supportsSubcolumns() const override { return true; }
 
-    bool supportsSubsetOfColumns() const override;
+    bool supportsSubsetOfColumns(const ContextPtr & context) const;
 
     bool prefersLargeBlocks() const override;
 

src/Storages/StorageURL.cpp

@@ -817,9 +817,9 @@ ColumnsDescription IStorageURLBase::getTableStructureFromData(
     return columns;
 }
 
-bool IStorageURLBase::supportsSubsetOfColumns() const
+bool IStorageURLBase::supportsSubsetOfColumns(const ContextPtr & context) const
 {
-    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(format_name);
+    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(format_name, context, format_settings);
 }
 
 bool IStorageURLBase::prefersLargeBlocks() const
@@ -846,7 +846,7 @@ Pipe IStorageURLBase::read(
     std::shared_ptr<StorageURLSource::IteratorWrapper> iterator_wrapper{nullptr};
     bool is_url_with_globs = urlWithGlobs(uri);
     size_t max_addresses = local_context->getSettingsRef().glob_expansion_max_elements;
-    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(), getVirtuals());
+    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(local_context), getVirtuals());
 
     if (distributed_processing)
     {
@@ -951,7 +951,7 @@ Pipe StorageURLWithFailover::read(
         return uri_options;
     });
 
-    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(), getVirtuals());
+    auto read_from_format_info = prepareReadingFromFormat(column_names, storage_snapshot, supportsSubsetOfColumns(local_context), getVirtuals());
 
     const size_t max_threads = local_context->getSettingsRef().max_threads;
     const size_t max_parsing_threads = num_streams >= max_threads ? 1 : (max_threads / num_streams);

src/Storages/StorageURL.h

@@ -114,7 +114,7 @@ protected:
         QueryProcessingStage::Enum & processed_stage,
         size_t max_block_size) const;
 
-    bool supportsSubsetOfColumns() const override;
+    virtual bool supportsSubsetOfColumns(const ContextPtr & context) const;
 
     bool prefersLargeBlocks() const override;
 

src/Storages/StorageXDBC.cpp

@@ -146,7 +146,7 @@ SinkToStoragePtr StorageXDBC::write(const ASTPtr & /* query */, const StorageMet
         compression_method);
 }
 
-bool StorageXDBC::supportsSubsetOfColumns() const
+bool StorageXDBC::supportsSubsetOfColumns(const ContextPtr &) const
 {
     return true;
 }

src/Storages/StorageXDBC.h

@@ -68,7 +68,7 @@ private:
 
     Block getHeaderBlock(const Names & column_names, const StorageSnapshotPtr & storage_snapshot) const override;
 
-    bool supportsSubsetOfColumns() const override;
+    bool supportsSubsetOfColumns(const ContextPtr &) const override;
 };
 
 }

src/TableFunctions/ITableFunction.h

@@ -76,7 +76,7 @@ public:
     /// because we cannot determine which column from table correspond to this virtual column.
     virtual std::unordered_set<String> getVirtualsToCheckBeforeUsingStructureHint() const { return {}; }
 
-    virtual bool supportsReadingSubsetOfColumns() { return true; }
+    virtual bool supportsReadingSubsetOfColumns(const ContextPtr &) { return true; }
 
     /// Create storage according to the query.
     StoragePtr

src/TableFunctions/ITableFunctionFileLike.cpp

@@ -32,9 +32,9 @@ String ITableFunctionFileLike::getFormatFromFirstArgument()
     return FormatFactory::instance().getFormatFromFileName(filename, true);
 }
 
-bool ITableFunctionFileLike::supportsReadingSubsetOfColumns()
+bool ITableFunctionFileLike::supportsReadingSubsetOfColumns(const ContextPtr & context)
 {
-    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(format);
+    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(format, context);
 }
 
 void ITableFunctionFileLike::parseArguments(const ASTPtr & ast_function, ContextPtr context)

src/TableFunctions/ITableFunctionFileLike.h

@@ -27,7 +27,7 @@ public:
 
     void setStructureHint(const ColumnsDescription & structure_hint_) override { structure_hint = structure_hint_; }
 
-    bool supportsReadingSubsetOfColumns() override;
+    bool supportsReadingSubsetOfColumns(const ContextPtr & context) override;
 
     static size_t getMaxNumberOfArguments() { return 4; }
 

src/TableFunctions/TableFunctionAzureBlobStorage.cpp

@@ -269,9 +269,9 @@ ColumnsDescription TableFunctionAzureBlobStorage::getActualTableStructure(Contex
     return parseColumnsListFromString(configuration.structure, context);
 }
 
-bool TableFunctionAzureBlobStorage::supportsReadingSubsetOfColumns()
+bool TableFunctionAzureBlobStorage::supportsReadingSubsetOfColumns(const ContextPtr & context)
 {
-    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format);
+    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format, context);
 }
 
 StoragePtr TableFunctionAzureBlobStorage::executeImpl(const ASTPtr & /*ast_function*/, ContextPtr context, const std::string & table_name, ColumnsDescription /*cached_columns*/, bool is_insert_query) const

src/TableFunctions/TableFunctionAzureBlobStorage.h

@@ -49,7 +49,7 @@ public:
 
     void setStructureHint(const ColumnsDescription & structure_hint_) override { structure_hint = structure_hint_; }
 
-    bool supportsReadingSubsetOfColumns() override;
+    bool supportsReadingSubsetOfColumns(const ContextPtr & context) override;
 
     std::unordered_set<String> getVirtualsToCheckBeforeUsingStructureHint() const override
     {

src/TableFunctions/TableFunctionS3.cpp

@@ -325,9 +325,9 @@ ColumnsDescription TableFunctionS3::getActualTableStructure(ContextPtr context,
     return parseColumnsListFromString(configuration.structure, context);
 }
 
-bool TableFunctionS3::supportsReadingSubsetOfColumns()
+bool TableFunctionS3::supportsReadingSubsetOfColumns(const ContextPtr & context)
 {
-    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format);
+    return FormatFactory::instance().checkIfFormatSupportsSubsetOfColumns(configuration.format, context);
 }
 
 StoragePtr TableFunctionS3::executeImpl(const ASTPtr & /*ast_function*/, ContextPtr context, const std::string & table_name, ColumnsDescription /*cached_columns*/, bool /*is_insert_query*/) const

src/TableFunctions/TableFunctionS3.h

@@ -47,7 +47,7 @@ public:
 
     void setStructureHint(const ColumnsDescription & structure_hint_) override { structure_hint = structure_hint_; }
 
-    bool supportsReadingSubsetOfColumns() override;
+    bool supportsReadingSubsetOfColumns(const ContextPtr & context) override;
 
     std::unordered_set<String> getVirtualsToCheckBeforeUsingStructureHint() const override
     {

tests/queries/0_stateless/02876_formats_with_names_dont_use_header.reference

@@ -0,0 +1 @@
+2

tests/queries/0_stateless/02876_formats_with_names_dont_use_header.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+# shellcheck source=../shell_config.sh
+. "$CURDIR"/../shell_config.sh
+
+echo -e "a,b,c\n1,2,3" > $CLICKHOUSE_TEST_UNIQUE_NAME.csvwithnames
+
+$CLICKHOUSE_LOCAL -q "select b from file('$CLICKHOUSE_TEST_UNIQUE_NAME.csvwithnames') settings input_format_with_names_use_header=0"
+

tests/queries/0_stateless/02876_formats_with_names_dont_use_header_test.csvwithnames

@@ -0,0 +1,2 @@
+a,b,c
+1,2,3