4 Commits

Author	SHA1	Message	Date
Sergei Golubchik	56e4b01b7b	MDEV-35419 Server crashes when a adding column to the table which has a primary key using hash ... correct the assert. followup for 062f8eb37d	2024-12-06 20:28:45 +01:00
Alexander Barkov	36eba98817	MDEV-19123 Change default charset from latin1 to utf8mb4 ... Changing the default server character set from latin1 to utf8mb4.	2024-07-11 10:21:07 +04:00
Thirunarayanan Balathandayuthapani	d270525dfd	MDEV-23805 Make Online DDL to Instant DDL when table is empty ... - In ha_innobase::prepare_inplace_alter_table(), InnoDB should check whether the table is empty. If the table is empty then server should avoid downgrading the MDL after prepare phase. It is more like instant alter, does change only in dicationary and metadata. - Changed few debug test case to make non-empty DDL table	2021-11-12 17:46:35 +05:30
Marko Mäkelä	1656ea28e8	MDEV-23244 ALTER TABLE…ADD PRIMARY KEY fails to flag duplicates ... The fix of MDEV-13654 (commit ff81faf670) wrongly caused ADD PRIMARY KEY to ignore duplicate PRIMARY KEY values caused by concurrent DML transactions that had been started before the ALTER TABLE operation (but did not access the table before the ALTER TABLE started). row_ins_duplicate_online(): Always report a duplicate key error if DB_TRX_ID had been reset (it belongs to a transaction that had started before the ALTER TABLE operation).	2020-07-23 17:41:44 +03:00