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##################### mysql-test\t\delay_key_write_func.test #################
# #
# Variable Name: delay_key_write #
# Scope: GLOBAL #
# Access Type: Dynamic #
# Data Type: enumeration #
# Default Value: ON #
# Valid Values: ON, OFF & ALL #
# #
# #
# Creation Date: 2008-03-08 #
# Author: Rizwan #
# #
# Description: Test Cases of Dynamic System Variable delay_key_write #
# that checks the behavior of this variable #
# #
# Reference: #
# http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
# #
###############################################################################
--source include/force_myisam_default.inc
--echo '#--------------------FN_DYNVARS_023_01-------------------------#'
#######################################################################
# Check if setting delay_key_write is changed in every new connection #
#######################################################################
SET @start_value= @@global.delay_key_write;
SET @@global.delay_key_write = ON;
SELECT @@global.delay_key_write;
--echo 'connect (user1,localhost,root,,,,)'
connect (user1,localhost,root,,,,);
--echo 'connection user1'
connection user1;
SELECT @@global.delay_key_write AS res_is_ON;
SET @@global.delay_key_write = ALL;
disconnect user1;
--echo 'connect (user1,localhost,root,,,,)'
connect (user1,localhost,root,,,,);
--echo 'connection user1'
connection user1;
SELECT @@global.delay_key_write AS res_is_ALL;
--echo '#--------------------FN_DYNVARS_023_02-------------------------#'
######################################################
# Begin the functionality Testing of delay_key_write #
######################################################
# create procedure to add rows
--disable_query_log
DELIMITER //;
CREATE PROCEDURE sp_addRecords (IN var1 INT,IN var2 INT)
BEGIN
WHILE (var1 < var2) DO
INSERT INTO t1 VALUES(var1,REPEAT('MYSQL',10),100000.0/var1);
SET var1=var1+1;
END WHILE;
END//
DELIMITER ;//
--enable_query_log
#==============================================================================
--echo '---check when delay_key_write is OFF---'
#==============================================================================
SET @@global.delay_key_write = OFF;
--disable_query_log
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
# create a table with delay_key_write enabled
CREATE TABLE t1(
a INT PRIMARY KEY,
b VARCHAR(512),
c DOUBLE
) DELAY_KEY_WRITE = 1;
--enable_query_log
FLUSH STATUS;
CALL sp_addRecords(1,10);
SHOW STATUS LIKE 'Key_reads';
SHOW STATUS LIKE 'Key_writes';
SHOW STATUS LIKE 'Key_write_requests';
SELECT COUNT(*) FROM t1;
#==============================================================================
--echo '----check when delay_key_write is ON---'
#==============================================================================
SET @@global.delay_key_write = ON;
--disable_query_log
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
# create a table with delay_key_write enabled
CREATE TABLE t1(
a INT PRIMARY KEY,
b VARCHAR(512),
c DOUBLE
) DELAY_KEY_WRITE = 1;
--enable_query_log
FLUSH STATUS;
CALL sp_addRecords(1,10);
SHOW STATUS LIKE 'Key_reads';
SHOW STATUS LIKE 'Key_writes';
SHOW STATUS LIKE 'Key_write_requests';
SELECT COUNT(*) FROM t1;
#==============================================================================
--echo '----check when delay_key_write is ALL---'
#==============================================================================
SET @@global.delay_key_write = ALL;
--disable_query_log
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
# create a table with delay_key_write disabled
CREATE TABLE t1(
a INT PRIMARY KEY,
b VARCHAR(512),
c DOUBLE
) DELAY_KEY_WRITE = 0;
--enable_query_log
FLUSH STATUS;
CALL sp_addRecords(1,10);
SHOW STATUS LIKE 'Key_reads';
SHOW STATUS LIKE 'Key_writes';
SHOW STATUS LIKE 'Key_write_requests';
SELECT COUNT(*) FROM t1;
DROP PROCEDURE sp_addRecords;
DROP TABLE t1;
disconnect user1;
connection default;
SET @@global.delay_key_write= @start_value;
####################################################
# End of functionality testing for delay_key_write #
####################################################