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############# mysql-test\t\sql_buffer_result_func.test #####################
# #
# Variable Name: sql_buffer_result #
# Scope: SESSION #
# Access Type: Dynamic #
# Data Type: BOOLEAN #
# Default Value: 0 FALSE #
# Values: 1 TRUE, 0 FALSE #
# #
# #
# Creation Date: 2008-02-25 #
# Author: Sharique Abdullah #
# #
# Description: Test Cases of Dynamic System Variable "sql_buffer_result" #
# 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 #
# #
############################################################################
--echo ** Setup **
--echo
#
# Setup
#
SET @original_sql_buffer_result = @@sql_buffer_result;
#
# Create tables
#
CREATE TEMPORARY TABLE t1(a varchar(20), b varchar(20));
INSERT INTO t1 VALUES('aa','bb');
INSERT INTO t1 VALUES('aa','bb');
INSERT INTO t1 VALUES('aa','bb');
INSERT INTO t1 VALUES('aa','bb');
INSERT INTO t1 VALUES('aa','bb');
--echo '#--------------------FN_DYNVARS_156_01-------------------------#'
#
# TRUE mode
#
SET SESSION sql_buffer_result = 1;
--disable_ps_protocol
SHOW STATUS LIKE 'Created_tmp_tables';
--enable_ps_protocol
--echo Expected value : 0.
SELECT * FROM t1;
--disable_ps_protocol
SHOW STATUS LIKE 'Created_tmp_tables';
--enable_ps_protocol
--echo Expected value : 1.
SELECT * FROM t1;
--disable_ps_protocol
SHOW STATUS LIKE 'Created_tmp_tables';
--enable_ps_protocol
--echo Expected value : 2.
--echo '#--------------------FN_DYNVARS_156_02-------------------------#'
#
# FALSE mode
#
SET SESSION sql_buffer_result = 0;
--disable_ps_protocol
SHOW STATUS LIKE 'Created_tmp_tables';
--enable_ps_protocol
--echo Expected value : 2.
SELECT * FROM t1;
--disable_ps_protocol
SHOW STATUS LIKE 'Created_tmp_tables';
--enable_ps_protocol
--echo Expected value : 2.
--echo '#--------------------FN_DYNVARS_156_03-------------------------#'
#
# Session data integrity check
#
connect (con_int1,localhost,root,,);
connection con_int1;
SELECT @@SESSION.sql_buffer_result;
--echo 0 / FALSE Expected
SET SESSION sql_buffer_result = FALSE;
connect (con_int2,localhost,root,,);
connection con_int2;
SELECT @@SESSION.sql_buffer_result;
--echo 0 / FALSE Expected
SET SESSION sql_buffer_result = TRUE;
connection con_int1;
SELECT @@SESSION.sql_buffer_result;
--echo 0 / FALSE Expected
connection con_int2;
SELECT @@SESSION.sql_buffer_result;
--echo 1 / TRUE Expected
connection default;
disconnect con_int1;
disconnect con_int2;
#
# Cleanup
#
--echo ** Cleanup **
SET @@sql_buffer_result = @original_sql_buffer_result;
DROP TABLE t1;
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