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############# mysql-test\t\max_sp_recursion_depth_func.test ###################
# #
# Variable Name: max_sp_recursion_depth #
# Scope: SESSION #
# Access Type: Dynamic #
# Data Type: NUMERIC #
# Default Value: 0 #
# Max Value: 25 #
# #
# #
# Creation Date: 2008-03-02 #
# Author: Sharique Abdullah #
# #
# Description: Test Cases of Dynamic System Variable "max_sp_recursion_depth #
# 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_max_sp_recursion_depth #
# #
###############################################################################
#
# Setup
#
SET @session_max_recursion_depth = @@SESSION.max_sp_recursion_depth;
--echo '#--------------------FN_DYNVARS_099_01-------------------------#'
##########################################################
# Test behavior of variable on new connection # 01 #
##########################################################
--echo ** Connecting test_con1 using username 'root' **
CONNECT (test_con1,localhost,root,,);
--echo ** Connection test_con1 **
CONNECTION test_con1;
# Setting session value of variable
SET @@session.max_sp_recursion_depth = 10;
SELECT @@session.max_sp_recursion_depth;
# create procedure to add rows
--disable_warnings
DROP PROCEDURE IF EXISTS sp_addRecords;
--enable_warnings
DELIMITER //;
CREATE PROCEDURE sp_addRecords (IN var1 INT,IN var2 INT)
BEGIN
SELECT var1,var2;
IF var1 < var2 THEN
CALL sp_addRecords(var1+1,var2);
SELECT var1,var2;
END IF;
END //
DELIMITER ;//
CALL sp_addRecords(0,8);
--echo '#--------------------FN_DYNVARS_099_02-------------------------#'
##########################################################
# Test behavior of variable on new connection # 02 #
##########################################################
--echo ** Connecting test_con2 using username 'root' **
CONNECT (test_con2,localhost,root,,);
--echo ** Connection test_con2 **
connection test_con2;
# Setting session value of variable and inserting data in table
SET @@session.max_sp_recursion_depth = 4;
SELECT @@session.max_sp_recursion_depth;
# create procedure to add rows
--disable_warnings
DROP PROCEDURE IF EXISTS sp_addRecords1;
--enable_warnings
DELIMITER //;
CREATE PROCEDURE sp_addRecords1 (IN var1 INT,IN var2 INT)
BEGIN
SELECT var1,var2;
IF var1 < var2 THEN
CALL sp_addRecords1(var1+1,var2);
SELECT var1,var2;
END IF;
END //
DELIMITER ;//
CALL sp_addRecords1(0,4);
--echo '#---------------------FN_DYNVARS_99_03----------------------#'
####################################################################
# Check if max_sp_recursion_depth value is set to 10 #
####################################################################
SET @@max_sp_recursion_depth = 10;
# create procedure to add rows
--disable_warnings
DROP PROCEDURE IF EXISTS sp_addRecords2;
--enable_warnings
DELIMITER //;
CREATE PROCEDURE sp_addRecords2(IN var1 INT,IN var2 INT)
BEGIN
SELECT var1,var2;
IF var1 < var2 THEN
CALL sp_addRecords2(var1+1,var2);
SELECT var1,var2;
END IF;
END //
DELIMITER ;//
CALL sp_addRecords2(0,8);
--echo '#---------------------FN_DYNVARS_99_04----------------------#'
###############################################################################
#Check if max_sp_recursion_depth value is set lower then called recursion value
###############################################################################
SET @@max_sp_recursion_depth = 4;
# create procedure to add rows
#DROP PROCEDURE IF EXISTS sp_addRecords1;
--disable_warnings
DROP PROCEDURE IF EXISTS sp_addRecords3;
--enable_warnings
DELIMITER //;
CREATE PROCEDURE sp_addRecords3 (IN var1 INT,IN var2 INT)
BEGIN
SELECT var1,var2;
IF var1 < var2 THEN
CALL sp_addRecords3(var1+1,var2);
SELECT var1,var2;
END IF;
END //
DELIMITER ;//
--echo Expected error 'SP Recursion limit'
--ERROR ER_SP_RECURSION_LIMIT
CALL sp_addRecords3(0,8);
#
# Cleanup
#
--echo ** Connection default **
connection default;
--echo ** Disconnecting test_con1, test_con2 **
disconnect test_con1;
disconnect test_con2;
--disable_warnings
DROP PROCEDURE IF EXISTS sp_addRecords;
DROP PROCEDURE IF EXISTS sp_addRecords1;
DROP PROCEDURE IF EXISTS sp_addRecords2;
DROP PROCEDURE IF EXISTS sp_addRecords3;
--enable_warnings
SET @@SESSION.max_sp_recursion_depth = @session_max_recursion_depth;
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