################# mysql-test\t\innodb_commit_concurrency_basic.test ###########
#                                                                             #
# Variable Name: innodb_commit_concurrency                                    #
# Scope: GLOBAL                                                               #
# Access Type: Dynamic                                                        #
# Data Type: Numeric                                                          #
# Default Value: 0                                                            #
# Range: 0-1000                                                               #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-07                                                   #
# Author:  Rizwan                                                             #
#                                                                             #
#Description:Test Cases of Dynamic System Variable innodb_commit_concurrency  #
#             that checks the behavior of this variable in the following ways #
#              * Default Value                                                #
#              * Valid & Invalid values                                       #
#              * Scope & Access method                                        #
#              * Data Integrity                                               #
#                                                                             #
# Reference: http://dev.mysql.com/doc/refman/5.1/en/                          #
#  server-system-variables.html                                               #
#                                                                             #
###############################################################################

--source include/have_innodb.inc
--source include/load_sysvars.inc

######################################################################## 
#                    START OF innodb_commit_concurrency TESTS          #
######################################################################## 


##############################################################################
#   Saving initial value of innodb_commit_concurrency in a temporary variable#
##############################################################################

SET @global_start_value = @@global.innodb_commit_concurrency;
SELECT @global_start_value;

--echo '#--------------------FN_DYNVARS_046_01------------------------#'
######################################################################## 
#           Display the DEFAULT value of innodb_commit_concurrency     #
######################################################################## 

SET @@global.innodb_commit_concurrency = 0;
SET @@global.innodb_commit_concurrency = DEFAULT;
SELECT @@global.innodb_commit_concurrency;

--echo '#---------------------FN_DYNVARS_046_02-------------------------#'
################################################################################
#   Check if innodb_commit_concurrency can be accessed with and without @@ sign#
################################################################################

--Error ER_GLOBAL_VARIABLE
SET innodb_commit_concurrency = 1;
SELECT @@innodb_commit_concurrency;


--Error ER_UNKNOWN_TABLE
SELECT local.innodb_commit_concurrency;

SET global innodb_commit_concurrency = 0;

SELECT @@global.innodb_commit_concurrency;


--echo '#--------------------FN_DYNVARS_046_03------------------------#'
########################################################################## 
#      change the value of innodb_commit_concurrency to a valid value    #
########################################################################## 


SET @@global.innodb_commit_concurrency = 0;
SELECT @@global.innodb_commit_concurrency;

--echo '#--------------------FN_DYNVARS_046_04-------------------------#'
########################################################################### 
#    Change the value of innodb_commit_concurrency to invalid value       #
########################################################################### 

#
# InnoDB doesn't allow innodb_commit_concurrency to change from
# zero to non-zero or vice versa
#
--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.innodb_commit_concurrency = 1;
--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.innodb_commit_concurrency = -1;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_commit_concurrency = "T";
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_commit_concurrency = "Y";
--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.innodb_commit_concurrency = 1001;

--echo '#----------------------FN_DYNVARS_046_05------------------------#'
######################################################################### 
#     Check if the value in GLOBAL Table matches value in variable      #
#########################################################################

SELECT @@global.innodb_commit_concurrency =
 VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
  WHERE VARIABLE_NAME='innodb_commit_concurrency';
SELECT @@global.innodb_commit_concurrency;
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
 WHERE VARIABLE_NAME='innodb_commit_concurrency';

--echo '#---------------------FN_DYNVARS_046_06-------------------------#'
################################################################### 
#        Check if ON and OFF values can be used on variable       #
################################################################### 

--ERROR ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_commit_concurrency = OFF;
SELECT @@global.innodb_commit_concurrency;

--ERROR ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_commit_concurrency = ON;
SELECT @@global.innodb_commit_concurrency;

##############################  
#   Restore initial value    #
##############################


SET @@global.innodb_commit_concurrency = @global_start_value;
SELECT @@global.innodb_commit_concurrency;

###############################################################
#         END OF innodb_commit_concurrency TESTS              #
############################################################### 
