thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-24 16:42:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

ISSUES-9230 pushed SelectQueryOption into join expression

Browse Source
This commit is contained in:
zhang2014 2020-02-20 10:56:20 +08:00
parent c1f42f5edd
commit 130e76d5c0
8 changed files with 36 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
dbms/src/Interpreters/ExpressionAnalyzer.cpp
View File

@ -294,7 +294,7 @@ void SelectQueryExpressionAnalyzer::tryMakeSetForIndexFromSubquery(const ASTPtr
return;
}
auto interpreter_subquery = interpretSubquery(subquery_or_table_name, context, subquery_depth + 1, {});
auto interpreter_subquery = interpretSubquery(subquery_or_table_name, context, {}, query_options);
BlockIO res = interpreter_subquery->execute();
SetPtr set = std::make_shared<Set>(settings.size_limits_for_set, true);
@ -583,7 +583,7 @@ void SelectQueryExpressionAnalyzer::makeSubqueryForJoin(const ASTTablesInSelectQ
for (auto & pr : required_columns_with_aliases)
original_columns.push_back(pr.first);
auto interpreter = interpretSubquery(join_element.table_expression, context, subquery_depth, original_columns);
auto interpreter = interpretSubquery(join_element.table_expression, context, original_columns, query_options);
subquery_for_set.makeSource(interpreter, std::move(required_columns_with_aliases));
}

12
dbms/src/Interpreters/ExpressionAnalyzer.h
View File

@ -228,11 +228,12 @@ public:
const SyntaxAnalyzerResultPtr & syntax_analyzer_result_,
const Context & context_,
const NameSet & required_result_columns_ = {},
size_t subquery_depth_ = 0,
bool do_global_ = false)
: ExpressionAnalyzer(query_, syntax_analyzer_result_, context_, subquery_depth_, do_global_)
, required_result_columns(required_result_columns_)
{}
bool do_global_ = false,
const SelectQueryOptions & options_ = {})
: ExpressionAnalyzer(query_, syntax_analyzer_result_, context_, options_.subquery_depth, do_global_)
, required_result_columns(required_result_columns_), query_options(options_)
{
}
/// Does the expression have aggregate functions or a GROUP BY or HAVING section.
bool hasAggregation() const { return has_aggregation; }
@ -258,6 +259,7 @@ public:
private:
/// If non-empty, ignore all expressions not from this list.
NameSet required_result_columns;
SelectQueryOptions query_options;
/**
* Create Set from a subquery or a table expression in the query. The created set is suitable for using the index.

1
dbms/src/Interpreters/InterpreterExplainQuery.cpp
View File

@ -54,6 +54,7 @@ BlockInputStreamPtr InterpreterExplainQuery::executeImpl()
{
InterpreterSelectWithUnionQuery interpreter(ast.children.at(0), context,
SelectQueryOptions(QueryProcessingStage::FetchColumns).analyze().modify());
interpreter.getQuery()->format(IAST::FormatSettings(ss, false));
}

2
dbms/src/Interpreters/InterpreterSelectQuery.cpp
View File

@ -324,7 +324,7 @@ InterpreterSelectQuery::InterpreterSelectQuery(
query_analyzer = std::make_unique<SelectQueryExpressionAnalyzer>(
query_ptr, syntax_analyzer_result, *context,
NameSet(required_result_column_names.begin(), required_result_column_names.end()),
options.subquery_depth, !options.only_analyze);
!options.only_analyze, options);
if (!options.only_analyze)
{

11
dbms/src/Interpreters/interpretSubquery.cpp
View File

@ -18,6 +18,13 @@ namespace DB
std::shared_ptr<InterpreterSelectWithUnionQuery> interpretSubquery(
const ASTPtr & table_expression, const Context & context, size_t subquery_depth, const Names & required_source_columns)
{
auto subquery_options = SelectQueryOptions(QueryProcessingStage::Complete, subquery_depth);
return interpretSubquery(table_expression, context, required_source_columns, subquery_options);
}
std::shared_ptr<InterpreterSelectWithUnionQuery> interpretSubquery(
const ASTPtr & table_expression, const Context & context, const Names & required_source_columns, const SelectQueryOptions & options)
{
if (auto * expr = table_expression->as<ASTTableExpression>())
{
@ -29,7 +36,7 @@ std::shared_ptr<InterpreterSelectWithUnionQuery> interpretSubquery(
else if (expr->database_and_table_name)
table = expr->database_and_table_name;
return interpretSubquery(table, context, subquery_depth, required_source_columns);
return interpretSubquery(table, context, required_source_columns, options);
}
/// Subquery or table name. The name of the table is similar to the subquery `SELECT * FROM t`.
@ -55,7 +62,7 @@ std::shared_ptr<InterpreterSelectWithUnionQuery> interpretSubquery(
subquery_settings.extremes = 0;
subquery_context.setSettings(subquery_settings);
auto subquery_options = SelectQueryOptions(QueryProcessingStage::Complete, subquery_depth).subquery();
auto subquery_options = options.subquery();
ASTPtr query;
if (table || function)

3
dbms/src/Interpreters/interpretSubquery.h
View File

@ -11,4 +11,7 @@ class Context;
std::shared_ptr<InterpreterSelectWithUnionQuery> interpretSubquery(
const ASTPtr & table_expression, const Context & context, size_t subquery_depth, const Names & required_source_columns);
std::shared_ptr<InterpreterSelectWithUnionQuery> interpretSubquery(
const ASTPtr & table_expression, const Context & context, const Names & required_source_columns, const SelectQueryOptions & options);
}

14
dbms/tests/queries/0_stateless/00597_push_down_predicate.reference
View File

@ -46,17 +46,19 @@ SELECT \n id, \n date, \n value\nFROM \n(\n SELECT \n id, \n
SELECT \n date, \n id, \n name, \n value\nFROM \n(\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n WHERE id = 1\n UNION ALL\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n WHERE id = 1\n)\nWHERE id = 1
2000-01-01 1 test string 1 1
2000-01-01 1 test string 1 1
SELECT \n date, \n id, \n name, \n value, \n date, \n name, \n value\nFROM \n(\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n WHERE id = 1\n)\nANY LEFT JOIN \n(\n SELECT *\n FROM test_00597\n) USING (id)\nWHERE id = 1
SELECT \n date, \n id, \n name, \n value, \n date, \n name, \n value\nFROM \n(\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n WHERE id = 1\n)\nANY LEFT JOIN \n(\n SELECT id\n FROM test_00597\n) USING (id)\nWHERE id = 1
2000-01-01 1 test string 1 1 2000-01-01 test string 1 1
SELECT \n id, \n date, \n name, \n value\nFROM \n(\n SELECT toInt8(1) AS id\n)\nANY LEFT JOIN \n(\n SELECT *\n FROM test_00597\n) AS test_00597 USING (id)\nWHERE value = 1
SELECT \n id, \n date, \n name, \n value\nFROM \n(\n SELECT toInt8(1) AS id\n)\nANY LEFT JOIN \n(\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n) AS test_00597 USING (id)\nWHERE value = 1
1 2000-01-01 test string 1 1
SELECT value\nFROM \n(\n SELECT toInt8(1) AS id\n)\nANY LEFT JOIN test_00597 AS b USING (id)\nWHERE value = 1
1
SELECT \n date, \n id, \n name, \n value\nFROM \n(\n SELECT \n date, \n id, \n name, \n value, \n date, \n name, \n value\n FROM \n (\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n WHERE id = 1\n )\n ANY LEFT JOIN \n (\n SELECT *\n FROM test_00597\n ) USING (id)\n WHERE id = 1\n)\nWHERE id = 1
SELECT \n date, \n id, \n name, \n value\nFROM \n(\n SELECT \n date, \n id, \n name, \n value, \n date, \n name, \n value\n FROM \n (\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n WHERE id = 1\n )\n ANY LEFT JOIN \n (\n SELECT id\n FROM test_00597\n ) USING (id)\n WHERE id = 1\n)\nWHERE id = 1
2000-01-01 1 test string 1 1
SELECT \n date, \n id, \n name, \n value, \n b.date, \n b.name, \n b.value\nFROM \n(\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n)\nANY LEFT JOIN \n(\n SELECT *\n FROM test_00597\n) AS b USING (id)\nWHERE b.id = 1
SELECT \n date, \n id, \n name, \n value, \n b.date, \n b.name, \n b.value\nFROM \n(\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n)\nANY LEFT JOIN \n(\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n) AS b USING (id)\nWHERE b.id = 1
2000-01-01 1 test string 1 1 2000-01-01 test string 1 1
SELECT \n id, \n date, \n name, \n value\nFROM \n(\n SELECT \n toInt8(1) AS id, \n toDate(\'2000-01-01\') AS date\n FROM system.numbers\n LIMIT 1\n)\nANY LEFT JOIN \n(\n SELECT *\n FROM test_00597\n) AS b USING (date, id)\nWHERE b.date = toDate(\'2000-01-01\')
SELECT \n id, \n date, \n name, \n value\nFROM \n(\n SELECT \n toInt8(1) AS id, \n toDate(\'2000-01-01\') AS date\n FROM system.numbers\n LIMIT 1\n)\nANY LEFT JOIN \n(\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n) AS b USING (date, id)\nWHERE b.date = toDate(\'2000-01-01\')
1 2000-01-01 test string 1 1
SELECT \n date, \n id, \n name, \n value, \n `b.date`, \n `b.id`, \n `b.name`, \n `b.value`\nFROM \n(\n SELECT \n date, \n id, \n name, \n value, \n b.date, \n b.id, \n b.name, \n b.value\n FROM \n (\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n WHERE id = 1\n ) AS a\n ANY LEFT JOIN \n (\n SELECT *\n FROM test_00597\n ) AS b ON id = b.id\n WHERE id = 1\n)\nWHERE id = 1
SELECT \n date, \n id, \n name, \n value, \n `b.date`, \n `b.id`, \n `b.name`, \n `b.value`\nFROM \n(\n SELECT \n date, \n id, \n name, \n value, \n b.date, \n b.id, \n b.name, \n b.value\n FROM \n (\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n WHERE id = 1\n ) AS a\n ANY LEFT JOIN \n (\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n ) AS b ON id = b.id\n WHERE id = 1\n)\nWHERE id = 1
2000-01-01 1 test string 1 1 2000-01-01 1 test string 1 1
SELECT \n date, \n id, \n name, \n value, \n r.date, \n r.name, \n r.value\nFROM \n(\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n)\nSEMI LEFT JOIN \n(\n SELECT \n date, \n id, \n name, \n value\n FROM \n (\n SELECT \n date, \n id, \n name, \n value\n FROM test_00597\n WHERE id = 1\n )\n WHERE id = 1\n) AS r USING (id)\nWHERE r.id = 1
2000-01-01 1 test string 1 1 2000-01-01 test string 1 1

4
dbms/tests/queries/0_stateless/00597_push_down_predicate.sql
View File

@ -130,5 +130,9 @@ SELECT * FROM (SELECT toInt8(1) AS id, toDate('2000-01-01') AS date FROM system.
ANALYZE SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597) AS a ANY LEFT JOIN (SELECT * FROM test_00597) AS b ON a.id = b.id) WHERE id = 1;
SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597) AS a ANY LEFT JOIN (SELECT * FROM test_00597) AS b ON a.id = b.id) WHERE id = 1;
-- Explain with join subquery
ANALYZE SELECT * FROM (SELECT * FROM test_00597) ANY INNER JOIN (SELECT * FROM (SELECT * FROM test_00597)) as r USING id WHERE r.id = 1;
SELECT * FROM (SELECT * FROM test_00597) ANY INNER JOIN (SELECT * FROM (SELECT * FROM test_00597)) as r USING id WHERE r.id = 1;
DROP TABLE IF EXISTS test_00597;
DROP TABLE IF EXISTS test_view_00597;