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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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32
mysql-test/suite/funcs_1/r/is_schemata_embedded.result
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@@ -28,30 +28,30 @@ DROP FUNCTION test.f1;
#########################################################################
DESCRIBE information_schema.SCHEMATA;
Field Type Null Key Default Extra
CATALOG_NAME varchar(512) NO
SCHEMA_NAME varchar(64) NO
DEFAULT_CHARACTER_SET_NAME varchar(32) NO
DEFAULT_COLLATION_NAME varchar(32) NO
CATALOG_NAME varchar(512) NO NULL
SCHEMA_NAME varchar(64) NO NULL
DEFAULT_CHARACTER_SET_NAME varchar(32) NO NULL
DEFAULT_COLLATION_NAME varchar(32) NO NULL
SQL_PATH varchar(512) YES NULL
SCHEMA_COMMENT varchar(1024) NO
SCHEMA_COMMENT varchar(1024) NO NULL
SHOW CREATE TABLE information_schema.SCHEMATA;
Table Create Table
SCHEMATA CREATE TEMPORARY TABLE `SCHEMATA` (
`CATALOG_NAME` varchar(512) NOT NULL DEFAULT '',
`SCHEMA_NAME` varchar(64) NOT NULL DEFAULT '',
`DEFAULT_CHARACTER_SET_NAME` varchar(32) NOT NULL DEFAULT '',
`DEFAULT_COLLATION_NAME` varchar(32) NOT NULL DEFAULT '',
`SQL_PATH` varchar(512) DEFAULT NULL,
`SCHEMA_COMMENT` varchar(1024) NOT NULL DEFAULT ''
`CATALOG_NAME` varchar(512) NOT NULL,
`SCHEMA_NAME` varchar(64) NOT NULL,
`DEFAULT_CHARACTER_SET_NAME` varchar(32) NOT NULL,
`DEFAULT_COLLATION_NAME` varchar(32) NOT NULL,
`SQL_PATH` varchar(512),
`SCHEMA_COMMENT` varchar(1024) NOT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8
SHOW COLUMNS FROM information_schema.SCHEMATA;
Field Type Null Key Default Extra
CATALOG_NAME varchar(512) NO
SCHEMA_NAME varchar(64) NO
DEFAULT_CHARACTER_SET_NAME varchar(32) NO
DEFAULT_COLLATION_NAME varchar(32) NO
CATALOG_NAME varchar(512) NO NULL
SCHEMA_NAME varchar(64) NO NULL
DEFAULT_CHARACTER_SET_NAME varchar(32) NO NULL
DEFAULT_COLLATION_NAME varchar(32) NO NULL
SQL_PATH varchar(512) YES NULL
SCHEMA_COMMENT varchar(1024) NO
SCHEMA_COMMENT varchar(1024) NO NULL
SELECT catalog_name, schema_name, sql_path
FROM information_schema.schemata
WHERE catalog_name IS NOT NULL or sql_path IS NOT NULL