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# suite/funcs_1/datadict/is_columns.inc
#
# Auxiliary script to be sourced by
# is_columns_is
# is_columns_mysql
# is_columns_<engine>
#
# Purpose:
# Check the content of information_schema.columns about tables within certain
# database/s.
#
# Usage:
# The variable $my_where has to
# - be set before sourcing this script.
# - contain the first part of the WHERE qualification
# Example:
# let $my_where = WHERE table_schema = 'information_schema'
# AND table_name <> 'profiling';
# --source suite/funcs_1/datadict/is_columns.inc
#
# Author:
# 2008-01-23 mleich WL#4203 Reorganize and fix the data dictionary tests of
# testsuite funcs_1
# Create this script based on older scripts and new code.
#
SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
--source suite/funcs_1/datadict/datadict_bug_12777.inc
eval
SELECT * FROM information_schema.columns
$my_where
ORDER BY table_schema, table_name, column_name;
--echo ##########################################################################
--echo # Show the quotient of CHARACTER_OCTET_LENGTH and CHARACTER_MAXIMUM_LENGTH
--echo ##########################################################################
eval
SELECT DISTINCT
CHARACTER_OCTET_LENGTH / CHARACTER_MAXIMUM_LENGTH AS COL_CML,
DATA_TYPE,
CHARACTER_SET_NAME,
COLLATION_NAME
FROM information_schema.columns
$my_where
AND CHARACTER_OCTET_LENGTH / CHARACTER_MAXIMUM_LENGTH = 1
ORDER BY CHARACTER_SET_NAME, COLLATION_NAME, COL_CML;
#FIXME 3.2.6.2: check the value 2.0079 tinytext ucs2 ucs2_general_ci
eval
SELECT DISTINCT
CHARACTER_OCTET_LENGTH / CHARACTER_MAXIMUM_LENGTH AS COL_CML,
DATA_TYPE,
CHARACTER_SET_NAME,
COLLATION_NAME
FROM information_schema.columns
$my_where
AND CHARACTER_OCTET_LENGTH / CHARACTER_MAXIMUM_LENGTH <> 1
ORDER BY CHARACTER_SET_NAME, COLLATION_NAME, COL_CML;
eval
SELECT DISTINCT
CHARACTER_OCTET_LENGTH / CHARACTER_MAXIMUM_LENGTH AS COL_CML,
DATA_TYPE,
CHARACTER_SET_NAME,
COLLATION_NAME
FROM information_schema.columns
$my_where
AND CHARACTER_OCTET_LENGTH / CHARACTER_MAXIMUM_LENGTH IS NULL
ORDER BY CHARACTER_SET_NAME, COLLATION_NAME, COL_CML;
echo --> CHAR(0) is allowed (see manual), and here both CHARACHTER_* values;
echo --> are 0, which is intended behavior, and the result of 0 / 0 IS NULL;
--source suite/funcs_1/datadict/datadict_bug_12777.inc
eval
SELECT CHARACTER_OCTET_LENGTH / CHARACTER_MAXIMUM_LENGTH AS COL_CML,
TABLE_SCHEMA,
TABLE_NAME,
COLUMN_NAME,
DATA_TYPE,
CHARACTER_MAXIMUM_LENGTH,
CHARACTER_OCTET_LENGTH,
CHARACTER_SET_NAME,
COLLATION_NAME,
COLUMN_TYPE
FROM information_schema.columns
$my_where
ORDER BY TABLE_SCHEMA, TABLE_NAME, ORDINAL_POSITION;
SET sql_mode = default;