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MDEV-18057 Assertion `(node->state == 5) || (node->state == 6)' failed in row_upd_sec_step upon DELETE after UPDATE failed due to FK violation

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The idea of the fix: reset state from previous query.

row_upd_clust_step(): reset cached index before updating a clustered index

Closes #1133
This commit is contained in:
Eugene Kosov 2019-01-25 12:04:28 +03:00 committed by Marko Mäkelä
parent 9bd80ada6f
commit 0e1f7f5c4a
3 changed files with 24 additions and 0 deletions
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9
mysql-test/suite/versioning/r/foreign.result
View File

@ -290,3 +290,12 @@ select count(*) from subchild;
count(*)
0
drop table subchild, child, parent;
CREATE TABLE t1 (f1 INT, KEY(f1)) ENGINE=InnoDB;
CREATE TABLE t2 (f2 INT, FOREIGN KEY (f2) REFERENCES t1 (f1)) ENGINE=InnoDB WITH SYSTEM VERSIONING;
SET FOREIGN_KEY_CHECKS= OFF;
INSERT IGNORE INTO t2 VALUES (1);
SET FOREIGN_KEY_CHECKS= ON;
UPDATE t2 SET f2= 2;
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f2`) REFERENCES `t1` (`f1`))
DELETE FROM t2;
DROP TABLE t2, t1;

14
mysql-test/suite/versioning/t/foreign.test
View File

@ -317,4 +317,18 @@ select count(*) from subchild;
drop table subchild, child, parent;
CREATE TABLE t1 (f1 INT, KEY(f1)) ENGINE=InnoDB;
CREATE TABLE t2 (f2 INT, FOREIGN KEY (f2) REFERENCES t1 (f1)) ENGINE=InnoDB WITH SYSTEM VERSIONING;
SET FOREIGN_KEY_CHECKS= OFF;
INSERT IGNORE INTO t2 VALUES (1);
SET FOREIGN_KEY_CHECKS= ON;
--error ER_NO_REFERENCED_ROW_2
UPDATE t2 SET f2= 2;
DELETE FROM t2;
DROP TABLE t2, t1;
--source suite/versioning/common_finish.inc

1
storage/innobase/row/row0upd.cc
View File

@ -3200,6 +3200,7 @@ row_upd_clust_step(
if (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE) {
node->index = NULL;
err = row_upd_clust_rec(
flags, node, index, offsets, &heap, thr, &mtr);
goto exit_func;