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############# mysql-test\t\slow_launch_time_func.test ##########################
# #
# Variable Name: slow_launch_time #
# Scope: SESSION #
# Access Type: Dynamic #
# Data Type: NUMERIC #
# Default Value: 2 #
# Values: - #
# #
# #
# Creation Date: 2008-03-02 #
# Author: Sharique Abdullah #
# #
# Last change: 2008-09-09 mleich Reimplementation of this test #
# - Fix Bug#36874 : main.slow_launch_time_func test fails #
# randomly #
# - Fix other failures and streamline the test #
# #
# Description: Test Cases of Dynamic System Variable "slow_launch_time " #
# that checks behavior of this variable in the following ways #
# * Functionality based on different values #
# #
# Reference: #
# http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
# option_mysqld_slow_launch_time #
# #
################################################################################
#
# Setup
#
--source include/not_embedded.inc
--source include/not_threadpool.inc
SET @global_slow_launch_time = @@GLOBAL.slow_launch_time;
--echo ** Connection default **
connection default;
--echo '#--------------------FN_DYNVARS_124_01-------------------------#'
########################################################################
# Reveal that a new connect gets counted as "slow launched thread" if #
# @@GLOBAL.slow_launch_time = 0. #
# The value of slow_launch_threads must be increased by 1. #
########################################################################
SET @@GLOBAL.slow_launch_time=0;
SELECT @@GLOBAL.slow_launch_time;
let $value_before=
query_get_value(show status like 'slow_launch_threads', Value, 1);
--echo ** Connecting conn1 using username 'root' **
CONNECT (conn1,localhost,root,,);
let $value_after=
query_get_value(show status like 'slow_launch_threads', Value, 1);
if (!`SELECT $value_after = $value_before + 1`)
{
--echo ERROR: Subtest FN_DYNVARS_124_01 failed
--echo A new connect should be counted as 'slow_launch_thread' if
--echo @@GLOBAL.slow_launch_time=0
SELECT @@GLOBAL.slow_launch_time;
echo Number of slow_launch_threads before new connect: $value_before;
echo Number of slow_launch_threads after new connect: $value_after;
}
--echo ** Switch to connection default and disconnect conn1 **
connection default;
disconnect conn1;
--echo '#--------------------FN_DYNVARS_124_02-------------------------#'
########################################################################
# Reveal that a new connect gets not counted as "slow launched thread" #
# if @@GLOBAL.slow_launch_time is sufficient big. #
# The value of slow_launch_threads must not change. #
########################################################################
SET @@GLOBAL.slow_launch_time= 1000;
SELECT @@GLOBAL.slow_launch_time;
let $value_before=
query_get_value(show status like 'slow_launch_threads', Value, 1);
--echo ** Connecting conn2 using username 'root' **
CONNECT (conn2,localhost,root,,);
let $value_after=
query_get_value(show status like 'slow_launch_threads', Value, 1);
if ($value_after != $value_before)
{
--echo ERROR: Subtest FN_DYNVARS_124_02 failed
--echo A new connect must not be counted as 'slow_launch_thread' if
--echo @@GLOBAL.slow_launch_time is sufficient big.
SELECT @@GLOBAL.slow_launch_time;
echo Number of slow_launch_threads before new connect: $value_before;
echo Number of slow_launch_threads after new connect: $value_after;
}
#
# Cleanup
#
--echo ** Switch to connection default and disconnect conn2 **
connection default;
disconnect conn2;
SET @@GLOBAL.slow_launch_time = @global_slow_launch_time;
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