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MDEV-25381: JSON_TABLE: ER_WRONG_OUTER_JOIN upon query with LEFT and RIGHT joins and view

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Table_function_json_table::m_dep_tables attempts to cache the value of
m_json->used_tables(), poorly. Remove the cache and use the value
directly.
This commit is contained in:
Sergei Petrunia
2021-04-12 16:43:45 +03:00
committed by Alexey Botchkov
parent 4a10dd0253
commit 6bac48d0cf
4 changed files with 95 additions and 28 deletions
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41
mysql-test/suite/json/t/json_table.test
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@ -644,6 +644,47 @@ WHERE
drop table t1;
--echo #
--echo # MDEV-25381: JSON_TABLE: ER_WRONG_OUTER_JOIN upon query with LEFT and RIGHT joins and view
--echo #
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b INT, c TEXT);
INSERT INTO t2 VALUES (1,'{}'),(2,'[]');
CREATE VIEW v2 AS SELECT * FROM t2;
SELECT *
FROM
t1 RIGHT JOIN
t2 AS tt
LEFT JOIN
JSON_TABLE(tt.c, '$' COLUMNS(o FOR ORDINALITY)) AS jt
ON tt.b = jt.o
ON t1.a = tt.b;
SELECT *
FROM
t1 RIGHT JOIN
v2 AS tt
LEFT JOIN
JSON_TABLE(tt.c, '$' COLUMNS(o FOR ORDINALITY)) AS jt
ON tt.b = jt.o
ON t1.a = tt.b;
SELECT *
FROM
t1 RIGHT JOIN
v2 AS tt
LEFT JOIN
JSON_TABLE(CONCAT(tt.c,''), '$' COLUMNS(o FOR ORDINALITY)) AS jt
ON tt.b = jt.o
ON t1.a = tt.b;
DROP VIEW v2;
DROP TABLE t1, t2;
--echo #
--echo # End of 10.6 tests
--echo #