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MDEV-32086 (part 2) Server crash when inserting from derived table containing insert target table

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Get rid of need of matherialization for usual INSERT (cache results in
Item_cache* if needed)

- subqueries in VALUE do not see new records in the table we are
  inserting to
- subqueries in RETIRNING prohibited to use the table we are inserting to
This commit is contained in:
Oleksandr Byelkin
2025-04-18 12:14:23 +02:00
parent 9b313d2de1
commit 4fc9dc84b0
33 changed files with 705 additions and 165 deletions
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2
mysql-test/main/insert_returning.test
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@@ -199,6 +199,8 @@ INSERT INTO t2(id2,val2) VALUES(5,'e') RETURNING id2, (SELECT id1+id2 FROM
t1 WHERE id1=1);
--error ER_UPDATE_TABLE_USED
INSERT INTO t2(id2,val2) VALUES(5,'f') RETURNING (SELECT id2 FROM t2);
--error ER_UPDATE_TABLE_USED
INSERT INTO t2(id2,val2) VALUES(5,'f') RETURNING (SELECT 1 UNION SELECT id2 FROM t2);
--error ER_BAD_TABLE_ERROR
INSERT INTO t2 (id2, val2) VALUES (6,'f') RETURNING t1.*;