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Fix lambda body resolve in parent scopes.

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Allow identifiers inside of lambda body to reference table expressions
from join tree of the nearest query scope.
This commit is contained in:
Dmitry Novik 2024-11-19 18:48:55 +01:00
parent 4882600e15
commit 44bcea0dd4
1 changed files with 10 additions and 3 deletions
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13
src/Analyzer/Resolve/QueryAnalyzer.cpp
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@ -1309,6 +1309,7 @@ IdentifierResolveResult QueryAnalyzer::tryResolveIdentifierInParentScopes(const
return {};
LOG_DEBUG(&Poco::Logger::get("resolveInParentScope"), "Resolving indetifier '{}'", identifier_lookup.dump());
bool initial_scope_is_query = scope.scope_node->getNodeType() == QueryTreeNodeType::QUERY;
auto new_resolve_context = identifier_resolve_settings.resolveAliasesAt(&scope);
@ -1319,7 +1320,12 @@ IdentifierResolveResult QueryAnalyzer::tryResolveIdentifierInParentScopes(const
*/
if (identifier_lookup.isTableExpressionLookup())
{
new_resolve_context.allow_to_check_join_tree = false;
/* Allow to check join tree when resolving lambda body.
*
* Example: SELECT arrayMap(x -> test_table.* EXCEPT value, [1,2,3]) FROM test_table;
*/
if (initial_scope_is_query)
new_resolve_context.allow_to_check_join_tree = false;
/** From parent scopes we can resolve table identifiers only as CTE.
* Example: SELECT (SELECT 1 FROM a) FROM test_table AS a;
@ -1357,9 +1363,10 @@ IdentifierResolveResult QueryAnalyzer::tryResolveIdentifierInParentScopes(const
auto * union_node = resolved_identifier->as<UnionNode>();
bool is_cte = (subquery_node && subquery_node->isCTE()) || (union_node && union_node->isCTE());
bool is_table_from_expression_arguments = resolve_result.resolve_place == IdentifierResolvePlace::EXPRESSION_ARGUMENTS &&
bool is_table_from_expression_arguments = resolve_result.isResolvedFromExpressionArguments() &&
resolved_identifier->getNodeType() == QueryTreeNodeType::TABLE;
bool is_valid_table_expression = is_cte || is_table_from_expression_arguments;
bool is_table_from_join_tree = !initial_scope_is_query && resolve_result.isResolvedFromJoinTree();
bool is_valid_table_expression = is_cte || is_table_from_expression_arguments || is_table_from_join_tree;
if (!is_valid_table_expression)