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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 #
####################################################