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Fix projections with JOIN alias columns

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Amos Bird 2021-10-16 23:07:55 +08:00
parent 8986de7e50
commit 240895fba7
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3 changed files with 8 additions and 1 deletions
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3
src/Interpreters/ExpressionAnalyzer.cpp
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@ -890,9 +890,10 @@ static std::unique_ptr<QueryPlan> buildJoinedPlan(
* - in the addExternalStorage function, the JOIN (SELECT ...) subquery is replaced with JOIN _data1,
* in the subquery_for_set object this subquery is exposed as source and the temporary table _data1 as the `table`.
* - this function shows the expression JOIN _data1.
* - JOIN tables will need aliases to correctly resolve USING clause.
*/
auto interpreter = interpretSubquery(
join_element.table_expression, context, original_right_columns, query_options.copy().setWithAllColumns());
join_element.table_expression, context, original_right_columns, query_options.copy().setWithAllColumns().ignoreAlias(false));
auto joined_plan = std::make_unique<QueryPlan>();
interpreter->buildQueryPlan(*joined_plan);
{

0
tests/queries/0_stateless/01710_projection_with_joins.reference Normal file
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6
tests/queries/0_stateless/01710_projection_with_joins.sql Normal file
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@ -0,0 +1,6 @@
drop table if exists t;
create table t (s UInt16, l UInt16, projection p (select s, l order by l)) engine MergeTree order by s;
set allow_experimental_projection_optimization=1;
select s from t join (select toUInt16(1) as s) x using (s);