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MDEV-13132 Information Schema does not show whether column default is expression or literal

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Fix INFORMATION_SCHEMA.COLUMNS.COLUMN_DEFAULT to be standard-compliant,
but keep SHOW COLUMNS backward-compatibly unchanged.
This commit is contained in:
Sergei Golubchik
2017-06-29 00:57:20 +02:00
parent 0559f12972
commit 291411c96c
18 changed files with 872 additions and 871 deletions
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4
mysql-test/r/join.result
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@@ -757,8 +757,8 @@ statistics.TABLE_NAME, statistics.COLUMN_NAME, statistics.TABLE_CATALOG, statist
columns.TABLE_CATALOG, columns.TABLE_SCHEMA, columns.COLUMN_DEFAULT, columns.IS_NULLABLE, columns.DATA_TYPE, columns.CHARACTER_MAXIMUM_LENGTH, columns.CHARACTER_OCTET_LENGTH, columns.NUMERIC_PRECISION, columns.NUMERIC_SCALE, columns.CHARACTER_SET_NAME, columns.COLLATION_NAME, columns.COLUMN_TYPE, columns.COLUMN_KEY, columns.EXTRA, columns.COLUMN_COMMENT
from information_schema.statistics join information_schema.columns using(table_name,column_name) where table_name='user';
TABLE_NAME COLUMN_NAME TABLE_CATALOG TABLE_SCHEMA NON_UNIQUE INDEX_SCHEMA INDEX_NAME SEQ_IN_INDEX COLLATION SUB_PART PACKED NULLABLE INDEX_TYPE COMMENT TABLE_CATALOG TABLE_SCHEMA COLUMN_DEFAULT IS_NULLABLE DATA_TYPE CHARACTER_MAXIMUM_LENGTH CHARACTER_OCTET_LENGTH NUMERIC_PRECISION NUMERIC_SCALE CHARACTER_SET_NAME COLLATION_NAME COLUMN_TYPE COLUMN_KEY EXTRA COLUMN_COMMENT
user Host def mysql 0 mysql PRIMARY 1 A NULL NULL BTREE def mysql NO char 60 180 NULL NULL utf8 utf8_bin char(60) PRI
user User def mysql 0 mysql PRIMARY 2 A NULL NULL BTREE def mysql NO char 80 240 NULL NULL utf8 utf8_bin char(80) PRI
user Host def mysql 0 mysql PRIMARY 1 A NULL NULL BTREE def mysql '' NO char 60 180 NULL NULL utf8 utf8_bin char(60) PRI
user User def mysql 0 mysql PRIMARY 2 A NULL NULL BTREE def mysql '' NO char 80 240 NULL NULL utf8 utf8_bin char(80) PRI
Warnings:
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1286 Unknown storage engine 'InnoDB'