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

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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 466d81709b
commit da37bfd8d6
46 changed files with 2063 additions and 1967 deletions
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10
plugin/disks/mysql-test/disks/disks.result
View File

@ -1,11 +1,11 @@
show create table information_schema.disks;
Table Create Table
DISKS CREATE TEMPORARY TABLE `DISKS` (
`Disk` varchar(4096) NOT NULL DEFAULT '',
`Path` varchar(4096) NOT NULL DEFAULT '',
`Total` bigint(32) NOT NULL DEFAULT 0,
`Used` bigint(32) NOT NULL DEFAULT 0,
`Available` bigint(32) NOT NULL DEFAULT 0
`Disk` varchar(4096) NOT NULL,
`Path` varchar(4096) NOT NULL,
`Total` bigint(32) NOT NULL,
`Used` bigint(32) NOT NULL,
`Available` bigint(32) NOT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8
select sum(Total) > sum(Available), sum(Total)>sum(Used) from information_schema.disks;
sum(Total) > sum(Available) sum(Total)>sum(Used)