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MDEV-18918 SQL mode EMPTY_STRING_IS_NULL breaks RBR upon CREATE TABLE .. SELECT

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The 10.5 version of the patch.

Removing DEFAULT from INFORMATION_SCHEMA columns.
DEFAULT in read-only tables is rather meaningless.
Upgrade should go smoothly.

Also fixes:
 MDEV-20254 Problems with EMPTY_STRING_IS_NULL and I_S tables
This commit is contained in:
Alexander Barkov
2021-12-28 17:43:40 +04:00
parent e4b302e436
commit 62e320c86d
82 changed files with 2374 additions and 2319 deletions
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24
mysql-test/suite/funcs_1/r/is_engines.result
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@ -28,27 +28,27 @@ DROP FUNCTION test.f1;
#########################################################################
DESCRIBE information_schema.ENGINES;
Field Type Null Key Default Extra
ENGINE varchar(64) NO
SUPPORT varchar(8) NO
COMMENT varchar(160) NO
ENGINE varchar(64) NO NULL
SUPPORT varchar(8) NO NULL
COMMENT varchar(160) NO NULL
TRANSACTIONS varchar(3) YES NULL
XA varchar(3) YES NULL
SAVEPOINTS varchar(3) YES NULL
SHOW CREATE TABLE information_schema.ENGINES;
Table Create Table
ENGINES CREATE TEMPORARY TABLE `ENGINES` (
`ENGINE` varchar(64) NOT NULL DEFAULT '',
`SUPPORT` varchar(8) NOT NULL DEFAULT '',
`COMMENT` varchar(160) NOT NULL DEFAULT '',
`TRANSACTIONS` varchar(3) DEFAULT NULL,
`XA` varchar(3) DEFAULT NULL,
`SAVEPOINTS` varchar(3) DEFAULT NULL
`ENGINE` varchar(64) NOT NULL,
`SUPPORT` varchar(8) NOT NULL,
`COMMENT` varchar(160) NOT NULL,
`TRANSACTIONS` varchar(3),
`XA` varchar(3),
`SAVEPOINTS` varchar(3)
) ENGINE=MEMORY DEFAULT CHARSET=utf8
SHOW COLUMNS FROM information_schema.ENGINES;
Field Type Null Key Default Extra
ENGINE varchar(64) NO
SUPPORT varchar(8) NO
COMMENT varchar(160) NO
ENGINE varchar(64) NO NULL
SUPPORT varchar(8) NO NULL
COMMENT varchar(160) NO NULL
TRANSACTIONS varchar(3) YES NULL
XA varchar(3) YES NULL
SAVEPOINTS varchar(3) YES NULL