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MDEV-31189 Server crash or assertion failure in upon 2nd execution of PS with views and HAVING

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Do not try to decide merge/materialize for derived if it was already decided
(even if it is a view).
This commit is contained in:
Oleksandr Byelkin
2023-05-04 17:51:27 +02:00
parent cf4a16b555
commit 7973ffde0f
3 changed files with 45 additions and 4 deletions
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19
mysql-test/main/view.test
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@ -6696,4 +6696,23 @@ create algorithm=merge view v as
drop table t1,t2,t3;
--echo #
--echo # MDEV-31189: Server crash or assertion failure in upon 2nd
--echo # execution of PS with views and HAVING
--echo #
CREATE TABLE t (f INT);
INSERT INTO t VALUES (1),(2); # Optional, fails either way
CREATE VIEW v1 AS SELECT 1 AS a;
CREATE VIEW v2 AS SELECT a FROM v1;
PREPARE stmt FROM "SELECT * FROM v2 HAVING 1 IN (SELECT f FROM t)";
EXECUTE stmt;
EXECUTE stmt;
# Cleanup
DROP VIEW v1;
DROP VIEW v2;
DROP TABLE t;
--echo # End of 10.4 tests