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mariadb/mysql-test/suite/sql_sequence/concurrent_create.test
Monty cd93eeeb1d MDEV-15149 Assert upon concurrent creating / querying sequences
Problem was that sequence_insert closed and reopened the like table
without proper locking.  Fixed by ensuring that the like table is
not reopened in sequence_insert
2018-03-29 14:20:11 +03:00

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--source include/have_sequence.inc
--source include/have_innodb.inc
#
# MDEV-15149 Assorted assertion failures upon concurrent creating / querying
# sequences (same test case)
#
CREATE SEQUENCE s1 ENGINE=InnoDB;
CREATE SEQUENCE s2 ENGINE=InnoDB;
--connect (con1,localhost,root,,test)
--send CREATE TABLE s3 LIKE s2;
--connection default
CREATE SEQUENCE s4 ENGINE=InnoDB;
SELECT * from s1 WHERE start_value IN (SELECT start_value FROM s2);
--connection con1
--reap
# Cleanup
--disconnect con1
--connection default
DROP SEQUENCE s1, s2, s3, s4;
#
# Check prepared statements
#
CREATE SEQUENCE s1 ENGINE=InnoDB;
PREPARE stmt FROM "CREATE TABLE s2 LIKE s1";
execute stmt;
drop table s2;
execute stmt;
drop table s2;
execute stmt;
select * from s2;
DROP SEQUENCE s1, s2;