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MDEV-21025 Server crashes on START TRANSACTION after INSERT IGNORE (#…
…1489) If a transaction had no effect due to INSERT IGNORE and a new transaction was started with START TRANSACTION without committing the previous one, the server crashed on assertion when starting a new wsrep transaction. As a fix, refined the condition to do wsrep_commit_empty() at the end of the ha_commit_trans().
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connection node_2; | ||
connection node_1; | ||
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY); | ||
START TRANSACTION; | ||
INSERT INTO t1 (f1) VALUES (1); | ||
START TRANSACTION; | ||
INSERT IGNORE INTO t1 (f1) VALUES (1); | ||
Warnings: | ||
Warning 1062 Duplicate entry '1' for key 'PRIMARY' | ||
START TRANSACTION; | ||
DROP TABLE t1; |
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# | ||
# MDEV-21205 | ||
# | ||
# Start transaction after INSERT IGNORE which had no effect and | ||
# kept the transaction open caused an assertion on the following | ||
# START TRANSACTION because the empty transaction was not properly | ||
# terminated. | ||
# | ||
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--source include/galera_cluster.inc | ||
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY); | ||
START TRANSACTION; | ||
INSERT INTO t1 (f1) VALUES (1); | ||
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START TRANSACTION; | ||
# This INSERT succeeds with duplicate key warning due to IGNORE clause | ||
# and keeps the transaction open. The following START TRANSACTION causes | ||
# an assertion if the bug is present. | ||
INSERT IGNORE INTO t1 (f1) VALUES (1); | ||
START TRANSACTION; | ||
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DROP TABLE t1; |
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