File: mysql56_temporal_format_func.test

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#
# This test checks that DATETIME, DATETIME(5), TIME(5) columns
# occupy different data length depending on @@mysql56_temporal_format:
#
#  Type           MariaDB   MySQL
#  ----           -------   -----
#  DATETIME             8       5
#  DATETIME(5)          7       8
#  TIME(5)              5       6
#
# The DATETIME(1-3,4,6) and TIME(0-4,6) data types use the same size
# in both MariaDB and MySQL formats.
# TIMESTAMP(0-6) also uses the same size in both formats.
#
# We use two columns in the tests below, to make sure the record length
# is longer than 7. Records whose fields occupy less then 7 bytes use
# 7 bytes anyway (assuming the default MAX_ROWS values), to store deleted
# record list pointers.
#

--echo #
--echo # MariaDB-5.3 format
--echo #
SET @@global.mysql56_temporal_format=false;
CREATE TABLE t1 (a DATETIME NOT NULL, b DATETIME NOT NULL);
INSERT INTO t1 VALUES ('2001-01-01 10:10:10','2001-01-01 10:10:10');
SELECT * FROM t1;
SELECT (AVG_ROW_LENGTH-1) DIV 2 AS FIELD_LENGTH,DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1';
DROP TABLE t1;

CREATE TABLE t1 (a DATETIME(5) NOT NULL, b DATETIME(5) NOT NULL);
INSERT INTO t1 VALUES ('2001-01-01 10:10:10.12345','2001-01-01 10:10:10.12345');
SELECT (AVG_ROW_LENGTH-1) DIV 2 AS FIELD_LENGTH,DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1';
SELECT * FROM t1;
DROP TABLE t1;

CREATE TABLE t1 (a TIME(5) NOT NULL,b TIME(5) NOT NULL);
INSERT INTO t1 VALUES ('10:10:10.12345','10:10:10.12345');
SELECT * FROM t1;
SELECT (AVG_ROW_LENGTH-1) DIV 2 AS FIELD_LENGTH,DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1';
DROP TABLE t1;

--echo #
--echo # MySQL-5.6 format
--echo #

SET @@global.mysql56_temporal_format=true;
CREATE TABLE t1 (a DATETIME NOT NULL, b DATETIME NOT NULL);
INSERT INTO t1 VALUES ('2001-01-01 10:10:10','2001-01-01 10:10:10');
SELECT * FROM t1;
SELECT (AVG_ROW_LENGTH-1) DIV 2 AS FIELD_LENGTH,DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1';
DROP TABLE t1;

CREATE TABLE t1 (a DATETIME(5) NOT NULL, b DATETIME(5) NOT NULL);
INSERT INTO t1 VALUES ('2001-01-01 10:10:10.12345','2001-01-01 10:10:10.12345');
SELECT * FROM t1;
SELECT (AVG_ROW_LENGTH-1) DIV 2 AS FIELD_LENGTH,DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1';
DROP TABLE t1;

CREATE TABLE t1 (a TIME(5) NOT NULL,b TIME(5) NOT NULL);
INSERT INTO t1 VALUES ('10:10:10.12345','10:10:10.12345');
SELECT * FROM t1;
SELECT (AVG_ROW_LENGTH-1) DIV 2 AS FIELD_LENGTH,DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1';
DROP TABLE t1;

SET @@global.mysql56_temporal_format=DEFAULT;