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small changes(revert)

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This commit is contained in:
yariks5s 2024-01-19 18:13:05 +00:00
parent 6ad6d6a121
commit 76b43a6aba
3 changed files with 26 additions and 8 deletions
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20
src/Analyzer/Passes/QueryAnalysisPass.cpp
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@ -2245,19 +2245,17 @@ void QueryAnalyzer::validateJoinTableExpressionWithoutAlias(const QueryTreeNodeP
if (table_expression_has_alias)
return;
if (join_node->as<JoinNode &>().getKind() == JoinKind::Paste)
return;
auto * query_node = table_expression_node->as<QueryNode>();
auto * union_node = table_expression_node->as<UnionNode>();
if ((query_node && !query_node->getCTEName().empty()) || (union_node && !union_node->getCTEName().empty()))
return;
auto table_expression_node_type = table_expression_node->getNodeType();
auto * join_typed = join_node->as<JoinNode>();
if (table_expression_node_type == QueryTreeNodeType::QUERY && join_typed->getKind() == JoinKind::Paste)
{
checkDuplicateTableNamesOrAlias(join_node, join_typed->getLeftTableExpression(), join_typed->getRightTableExpression(), scope);
return;
}
else if (table_expression_node_type == QueryTreeNodeType::TABLE_FUNCTION ||
if (table_expression_node_type == QueryTreeNodeType::TABLE_FUNCTION ||
table_expression_node_type == QueryTreeNodeType::QUERY ||
table_expression_node_type == QueryTreeNodeType::UNION)
throw Exception(ErrorCodes::ALIAS_REQUIRED,
@ -6797,6 +6795,9 @@ void QueryAnalyzer::checkDuplicateTableNamesOrAlias(const QueryTreeNodePtr & joi
auto * left_node = left_table_expr->as<QueryNode>();
auto * right_node = right_table_expr->as<QueryNode>();
if (!left_node && !right_node)
return;
if (left_node)
for (const auto & name_and_type : left_node->getProjectionColumns())
column_names.push_back(name_and_type.name);
@ -6811,7 +6812,7 @@ void QueryAnalyzer::checkDuplicateTableNamesOrAlias(const QueryTreeNodePtr & joi
for (size_t i = 0; i < column_names.size() - 1; i++) // Check if there is no any duplicates because it will lead to broken result
if (column_names[i] == column_names[i+1])
throw Exception(ErrorCodes::BAD_ARGUMENTS,
"Name of columns and aliases should be unique for this query (you can add/change aliases so they will not be duplicated)"
"Name of columns and aliases should be unique for this query (you can add/change aliases to avoid duplication)"
"While processing '{}'", join_node->formatASTForErrorMessage());
}
@ -6826,6 +6827,9 @@ void QueryAnalyzer::resolveJoin(QueryTreeNodePtr & join_node, IdentifierResolveS
resolveQueryJoinTreeNode(join_node_typed.getRightTableExpression(), scope, expressions_visitor);
validateJoinTableExpressionWithoutAlias(join_node, join_node_typed.getRightTableExpression(), scope);
if (!join_node_typed.getLeftTableExpression()->hasAlias() && !join_node_typed.getRightTableExpression()->hasAlias())
checkDuplicateTableNamesOrAlias(join_node, join_node_typed.getLeftTableExpression(), join_node_typed.getRightTableExpression(), scope);
if (join_node_typed.isOnJoinExpression())
{
expressions_visitor.visit(join_node_typed.getJoinExpression());

4
tests/queries/0_stateless/02933_paste_join.reference
View File

@ -101,3 +101,7 @@ UInt64
4 4
5 5
1 2 3
0 0
1 1
0
1

10
tests/queries/0_stateless/02933_paste_join.sql
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@ -43,3 +43,13 @@ SELECT * FROM (SELECT number FROM test PASTE JOIN (Select number FROM numbers(7)
SELECT * FROM (SELECT number FROM test PASTE JOIN (SELECT number FROM test PASTE JOIN (Select number FROM numbers(7)))) PASTE JOIN (SELECT number FROM numbers(6) PASTE JOIN (SELECT number FROM test)) SETTINGS joined_subquery_requires_alias = 0;
SELECT * FROM (SELECT 1 AS a) PASTE JOIN (SELECT 2 AS b) PASTE JOIN (SELECT 3 AS c) SETTINGS allow_experimental_analyzer = 1;
SELECT * FROM (SELECT 1 AS a) PASTE JOIN (SELECT 2 AS b) PASTE JOIN (SELECT 3 AS a) SETTINGS allow_experimental_analyzer = 1; -- { serverError AMBIGUOUS_COLUMN_NAME }
SET allow_experimental_analyzer = 1;
CREATE TABLE test1 (a Int32) engine=MergeTree order by a;
INSERT INTO test1 SELECT * FROM numbers(2);
CREATE TABLE test2 (a Int32) engine=MergeTree order by a;
INSERT INTO test2 SELECT * FROM numbers(2);
SELECT * FROM test1 PASTE JOIN (SELECT * FROM test2);
SELECT a `test2.a` FROM test1 PASTE JOIN test2;
SELECT * FROM test1 `test2.a` PASTE JOIN test2 `test2.a`; -- { serverError MULTIPLE_EXPRESSIONS_FOR_ALIAS }
SELECT * FROM test1 PASTE JOIN (SELECT number AS a FROM numbers(2) ORDER BY number DESC); -- { serverError AMBIGUOUS_COLUMN_NAME }