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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.result
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@@ -498,6 +498,8 @@ t1 WHERE id1=1)
5 6
INSERT INTO t2(id2,val2) VALUES(5,'f') RETURNING (SELECT id2 FROM t2);
ERROR HY000: Table 't2' is specified twice, both as a target for 'INSERT' and as a separate source for data
INSERT INTO t2(id2,val2) VALUES(5,'f') RETURNING (SELECT 1 UNION SELECT id2 FROM t2);
ERROR HY000: Table 't2' is specified twice, both as a target for 'INSERT' and as a separate source for data
INSERT INTO t2 (id2, val2) VALUES (6,'f') RETURNING t1.*;
ERROR 42S02: Unknown table 'test.t1'
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