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Added a test for JOIN with duplicate columns

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This commit is contained in:
Alexey Milovidov 2019-03-12 19:52:16 +03:00
parent 9d86f3ce17
commit 2043304d35
2 changed files with 13 additions and 0 deletions
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dbms/tests/queries/0_stateless/00916_join_using_duplicate_columns.reference Normal file
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dbms/tests/queries/0_stateless/00916_join_using_duplicate_columns.sql Normal file
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SELECT * FROM (SELECT 1 AS x) ALL LEFT JOIN (SELECT 1 AS x) USING x;
SELECT * FROM (SELECT 1 AS x) ALL LEFT JOIN (SELECT 2 AS x) USING x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 1 AS x) AS t2 USING x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 2 AS x) AS t2 USING x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 1 AS x) AS t2 ON t1.x = t2.x;
-- (bug) SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;