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MDEV-14824 Assertion `!trx_is_started(trx)' failed in innobase_start_trx_and_assign_read_view

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In CREATE SEQUENCE or CREATE TEMPORARY SEQUENCE, we should not start
an InnoDB transaction for inserting the sequence status record into
the underlying no-rollback table. Because we did this, a debug assertion
failure would fail in START TRANSACTION WITH CONSISTENT SNAPSHOT after
CREATE TEMPORARY SEQUENCE was executed.

row_ins_step(): Do not start the transaction. Let the caller do that.

que_thr_step(): Start the transaction before calling row_ins_step().

row_ins_clust_index_entry(): Skip locking and undo logging for no-rollback
tables, even for temporary no-rollback tables.

row_ins_index_entry(): Allow trx->id==0 for no-rollback tables.

row_insert_for_mysql(): Do not start a transaction for no-rollback tables.
This commit is contained in:
Marko Mäkelä
2018-01-11 15:39:36 +02:00
parent 919169e1f9
commit 773c3ceb57
5 changed files with 13 additions and 10 deletions
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mysql-test/suite/sql_sequence/create.result
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@ -482,6 +482,7 @@ select previous value for t1;
previous value for t1
1
CREATE TEMPORARY SEQUENCE t1 start with 100 minvalue 100 maxvalue 200 increment by 1 cache 10 engine=innodb;
START TRANSACTION WITH CONSISTENT SNAPSHOT;
select previous value for t1;
previous value for t1
NULL