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############## mysql-test\t\concurrent_insert_basic.test #######################
# #
# Variable Name: concurrent_insert #
# Scope: GLOBAL #
# Access Type: Dynamic #
# Data Type: Boolean & Numeric #
# Default Value: 1 #
# Valid Values: 0,1 & 2 #
# #
# #
# Creation Date: 2008-03-07 #
# Author: Salman Rawala #
# #
# Modified: HHunger 2009-02-23 Inserted a wait condition right after the #
# "INSERT ..record_6" to wait for the end of #
# the insert. #
# mleich This test needs some inporovements #
# #
# Description: Test Cases of Dynamic System Variable "concurrent_insert" #
# that checks functionality of this variable #
# #
# Reference: #
# http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
# #
################################################################################
--source include/not_embedded.inc
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
#########################
# Creating new table #
#########################
--echo ## Creating new table ##
CREATE TABLE t1
(
name VARCHAR(30)
);
--echo '#--------------------FN_DYNVARS_018_01-------------------------#'
####################################################################
# Setting initial value of concurrent_insert to 1
# concurrent_insert = 1 means Enables concurrent insert
# for MyISAM tables that don't have holes
####################################################################
SET @start_value= @@global.concurrent_insert;
--echo ## Setting initial value of variable to 1 ##
SET @@global.concurrent_insert = 1;
INSERT INTO t1(name) VALUES('Record_1');
INSERT INTO t1(name) VALUES('Record_2');
INSERT INTO t1(name) VALUES('Record_3');
--echo ## locking table ##
LOCK TABLE t1 READ LOCAL;
--echo ## Creating new connection to insert some rows in table ##
connect (test_con1,localhost,root,,);
--echo connection test_con1;
connection test_con1;
--echo ## New records should come at the end of all rows ##
INSERT INTO t1(name) VALUES('Record_4');
SELECT * FROM t1;
--echo ## unlocking tables ##
--echo connection default;
connection default;
UNLOCK TABLES;
--echo ## deleting record to create hole in table ##
DELETE FROM t1 WHERE name ='Record_2';
--echo '#--------------------FN_DYNVARS_018_02-------------------------#'
####################################################################
# Setting initial value of concurrent_insert to 1
# concurrent_insert = 1 and trying to insert some values
# in MyISAM tables that have holes
####################################################################
# lock table and connect with connection1
LOCK TABLE t1 READ LOCAL;
--echo connection test_con1;
connection test_con1;
# setting value of concurrent_insert to 1
SET @@global.concurrent_insert=1;
--echo ## send INSERT which should be blocked until unlock of the table ##
send
INSERT INTO t1(name) VALUES('Record_7');
--echo connection default;
connection default;
# wait until INSERT will be locked (low performance)
let $wait_condition= SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE state= "Waiting for table level lock" AND
info LIKE "INSERT INTO t1%";
--source include/wait_condition.inc
--echo ## show processlist info and state ##
SELECT state,info FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE state= "Waiting for table level lock" AND info LIKE "INSERT INTO t1%";
--echo ## table contents befor UNLOCK ##
SELECT * FROM t1;
UNLOCK TABLES;
--echo ## table contens after UNLOCK ##
SELECT * FROM t1;
INSERT INTO t1(name) VALUES('Record_6');
let $wait_condition= SELECT COUNT(*) = 5 FROM t1;
--source include/wait_condition.inc
--echo connection test_con1;
connection test_con1;
# to complete the send above^
reap;
SELECT * FROM t1;
--echo connection default;
connection default;
--echo '#--------------------FN_DYNVARS_018_03-------------------------#'
################################################################################
# Setting value of concurrent_insert to 2 to verify values after inserting
# it into table with holes
# concurrent_insert = 2 means Enables concurrent insert
# for MyISAM tables that have holes but inserts values at the end of all rows
################################################################################
--echo ## lock table and connect with connection1 ##
LOCK TABLE t1 READ LOCAL;
--echo connection test_con1;
connection test_con1;
--echo ## setting value of concurrent_insert to 2 ##
SET @@global.concurrent_insert=2;
--echo ## Inserting record in table, record should go at the end of the table ##
INSERT INTO t1(name) VALUES('Record_5');
SELECT * FROM t1;
SELECT @@concurrent_insert;
--echo connection default;
connection default;
--echo ## Unlocking table ##
UNLOCK TABLES;
SELECT * FROM t1;
--echo ## Inserting new row, this should go in the hole ##
INSERT INTO t1(name) VALUES('Record_6');
SELECT * FROM t1;
--echo ## connection test_con1 ##
DELETE FROM t1 WHERE name ='Record_3';
SELECT * FROM t1;
--echo ## Dropping table ##
DROP TABLE t1;
--echo ## Disconnecting connection ##
disconnect test_con1;
SET @@global.concurrent_insert= @start_value;
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