mariadb/mysql-test/t/sql_low_priority_updates_func.test

############# mysql-test\t\sql_low_priority_updates_func.test #################
#                                                                             #
# Variable Name: sql_low_priority_updates                                     #
# Scope: GLOBAL & SESSION                                                     #
# Access Type: Dynamic                                                        #
# Data Type: BOOLEAN                                                          #
# Default Value: 1 TRUE                                                       #
# Values:       1 TRUE, 0 FALSE                                               #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-25                                                   #
# Author:  Sharique Abdullah                                                  #
#                                                                             #
# Description: Test Cases of Dynamic System Variable  sql_low_priority_updates#
#              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/set-option.html           #
#                                                                             #
###############################################################################


################################################################
# sql_low_priority_updates was renamed to low_priority_updates #
################################################################

--echo ** Setup **
--echo
#
# Setup
#
--echo ** Connecting con0 using root **
connect (con0,localhost,root,,);
--echo ** Connecting con1 using root **
connect (con1,localhost,root,,);

--echo ** Connection default **
connection default;

SET @global_low_priority_updates = @@GLOBAL.low_priority_updates;
SET @session_low_priority_updates = @@SESSION.low_priority_updates;

#
# Create Table
#

CREATE TABLE t1 (a varchar(100));

--echo '#--------------------FN_DYNVARS_160_01-------------------------#'
#
# Value ON
#

--echo ** Connection con0 **
connection con0;
SET SESSION low_priority_updates = ON;
--echo ** Connection con1 **
connection con1;
SET SESSION low_priority_updates = ON;
--echo ** Connection default **
connection default;
SET SESSION low_priority_updates = ON;

INSERT INTO t1 VALUES('1');
INSERT INTO t1 VALUES('2');
INSERT INTO t1 VALUES('3');
INSERT INTO t1 VALUES('4');
INSERT INTO t1 VALUES('5');
INSERT INTO t1 VALUES('6');

LOCK TABLE t1 WRITE;

--echo ** Connection con1 **
connection con1;

--echo ** Asynchronous Execution **
delimiter |;

send
UPDATE t1 SET a = CONCAT(a,"-updated");|

delimiter ;|

--echo ** Connection con0 **
connection con0;

--echo ** Asynchronous Execution **
delimiter |;

send
LOCK TABLE t1 READ;
SELECT * FROM t1;
UNLOCK TABLES;|

delimiter ;|

--echo ** Connection default **
connection default;

--echo Sleeping for 1 secs
--sleep 1

UNLOCK TABLES;

--echo ** Connection con0 **
connection con0;
--echo ** Asynchronous Result **
reap;

--echo Expected values of a without -updated;

--echo ** Connection default **
connection default;

DELETE FROM t1;

--echo '#--------------------FN_DYNVARS_160_02-------------------------#'
#
# Value ON
#

--echo ** Connection con0 **
connection con0;
SET SESSION low_priority_updates = OFF;
--echo ** Connection con1 **
connection con1;
SET SESSION low_priority_updates = OFF;
--echo ** Connection default**
connection default;
SET SESSION low_priority_updates = OFF;

INSERT INTO t1 VALUES('1');
INSERT INTO t1 VALUES('2');
INSERT INTO t1 VALUES('3');
INSERT INTO t1 VALUES('4');
INSERT INTO t1 VALUES('5');
INSERT INTO t1 VALUES('6');

LOCK TABLE t1 WRITE;

--echo ** Connection con1 **
connection con1;

--echo ** Asynchronous Execution **
delimiter |;

send
UPDATE t1 SET a = CONCAT(a,"-updated");|

delimiter ;|

--echo ** Connection con0 **
connection con0;

--echo ** Asynchronous Execution **
delimiter |;

send
LOCK TABLE t1 READ;
SELECT * FROM t1;
UNLOCK TABLES;|

delimiter ;|

--echo ** Connection default **
connection default;

--echo Sleeping for 1 secs
--sleep 1

UNLOCK TABLES;

--echo ** Connection con0 **
connection con0;
--echo ** Asynchronous Result **
reap;
--echo Expected values of a with -updated;

--echo ** Connection default**
connection default;

DELETE FROM t1;

--echo '#--------------------FN_DYNVARS_160_03-------------------------#'
#
# Session data integrity check & GLOBAL Value check
#

--echo ** Connecting con_int1 using root **
connect (con_int1,localhost,root,,);

--echo ** Connection con_int1 **
connection con_int1;
SELECT @@SESSION.low_priority_updates;
--echo 1 / TRUE Expected

SET SESSION low_priority_updates = FALSE;

--echo ** Connecting con_int2 using root **
connect (con_int2,localhost,root,,);

--echo ** Connection con_int2 **
connection con_int2;
SELECT @@SESSION.low_priority_updates;
--echo 1 / TRUE Expected

SET SESSION low_priority_updates = TRUE;

--echo ** Connection con_int1 **
connection con_int1;
SELECT @@SESSION.low_priority_updates;
--echo 0 / FALSE Expected

--echo ** Connection con_int2 **
connection con_int2;
SELECT @@SESSION.low_priority_updates;
--echo 1 / TRUE Expected

--echo ** Connection default  **
connection default;

--echo Disconnecting Connections con_int1, con_int2
disconnect con_int1;
disconnect con_int2;

#
# Cleanup
#

--echo ** Connection default **
connection default;
--echo Disconnecting Connections con0, con1
disconnect con0;
disconnect con1;

DROP TABLE t1;

SET @@GLOBAL.low_priority_updates = @global_low_priority_updates;
SET @@SESSION.low_priority_updates = @session_low_priority_updates;