Commit d4954920 authored by Matthias Leich's avatar Matthias Leich

Merge of fix for bug 40644 into GCA tree

parents ff535a0a 3da7ffe6
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SET @save = @@global.group_concat_max_len; SET @save = @@global.group_concat_max_len;
drop table if exists t1; DROP TABLE IF EXISTS t1;
## Creating new table t1 ## ## Creating new table t1 ##
CREATE TABLE t1 CREATE TABLE t1
( (
id INT NOT NULL auto_increment, id INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (id), PRIMARY KEY (id),
rollno int NOT NULL, rollno INT NOT NULL,
name VARCHAR(30) name VARCHAR(30)
); );
'#--------------------FN_DYNVARS_034_01-------------------------#' '#--------------------FN_DYNVARS_034_01-------------------------#'
## Setting initial value of variable to 4 ## ## Setting initial value of variable to 4 ##
SET @@global.group_concat_max_len = 4; SET @@global.group_concat_max_len = 4;
## Inserting some rows in table ## ## Inserting some rows in table ##
INSERT into t1(rollno, name) values(1, 'Record_1'); INSERT INTO t1(rollno, name) VALUES(1, 'Record_1');
INSERT into t1(rollno, name) values(2, 'Record_2'); INSERT INTO t1(rollno, name) VALUES(2, 'Record_2');
INSERT into t1(rollno, name) values(1, 'Record_3'); INSERT INTO t1(rollno, name) VALUES(1, 'Record_3');
INSERT into t1(rollno, name) values(3, 'Record_4'); INSERT INTO t1(rollno, name) VALUES(3, 'Record_4');
INSERT into t1(rollno, name) values(1, 'Record_5'); INSERT INTO t1(rollno, name) VALUES(1, 'Record_5');
INSERT into t1(rollno, name) values(3, 'Record_6'); INSERT INTO t1(rollno, name) VALUES(3, 'Record_6');
INSERT into t1(rollno, name) values(4, 'Record_7'); INSERT INTO t1(rollno, name) VALUES(4, 'Record_7');
INSERT into t1(rollno, name) values(4, 'Record_8'); INSERT INTO t1(rollno, name) VALUES(4, 'Record_8');
SELECT * FROM t1 ORDER BY id;
id rollno name
1 1 Record_1
2 2 Record_2
3 1 Record_3
4 3 Record_4
5 1 Record_5
6 3 Record_6
7 4 Record_7
8 4 Record_8
## Creating two new connections ## ## Creating two new connections ##
'#--------------------FN_DYNVARS_034_02-------------------------#' '#--------------------FN_DYNVARS_034_02-------------------------#'
## Connecting with test_con1 ## ## Connecting with test_con1 ##
## Accessing data and using group_concat on column whose value is greater than 4 ## ## Accessing data and using group_concat on column whose value is greater than 4 ##
SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; SELECT id, rollno, GROUP_CONCAT(name) FROM t1 GROUP BY rollno;
id rollno group_concat(name) id rollno GROUP_CONCAT(name)
1 1 Reco 1 1 Reco
2 2 Reco 2 2 Reco
4 3 Reco 4 3 Reco
...@@ -35,8 +45,8 @@ Warning 1260 4 line(s) were cut by GROUP_CONCAT() ...@@ -35,8 +45,8 @@ Warning 1260 4 line(s) were cut by GROUP_CONCAT()
## Changing session value of variable and verifying its behavior, ## ## Changing session value of variable and verifying its behavior, ##
## warning should come here ## ## warning should come here ##
SET @@session.group_concat_max_len = 10; SET @@session.group_concat_max_len = 10;
SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; SELECT id, rollno, GROUP_CONCAT(name) FROM t1 GROUP BY rollno;
id rollno group_concat(name) id rollno GROUP_CONCAT(name)
1 1 Record_1,R 1 1 Record_1,R
2 2 Record_2 2 2 Record_2
4 3 Record_4,R 4 3 Record_4,R
...@@ -54,8 +64,8 @@ SELECT @@session.group_concat_max_len = 4; ...@@ -54,8 +64,8 @@ SELECT @@session.group_concat_max_len = 4;
SET @@session.group_concat_max_len = 20; SET @@session.group_concat_max_len = 20;
## Verifying value of name column, it should not me more than 20 characters ## ## Verifying value of name column, it should not me more than 20 characters ##
## Warning should come here ## ## Warning should come here ##
SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; SELECT id, rollno, GROUP_CONCAT(name) FROM t1 GROUP BY rollno;
id rollno group_concat(name) id rollno GROUP_CONCAT(name)
1 1 Record_1,Record_3,Re 1 1 Record_1,Record_3,Re
2 2 Record_2 2 2 Record_2
4 3 Record_4,Record_6 4 3 Record_4,Record_6
...@@ -67,13 +77,13 @@ Warning 1260 1 line(s) were cut by GROUP_CONCAT() ...@@ -67,13 +77,13 @@ Warning 1260 1 line(s) were cut by GROUP_CONCAT()
## because the value after concatination is less than 30 ## ## because the value after concatination is less than 30 ##
SET @@session.group_concat_max_len = 26; SET @@session.group_concat_max_len = 26;
## Verifying value of name column, it should not give warning now ## ## Verifying value of name column, it should not give warning now ##
SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; SELECT id, rollno, GROUP_CONCAT(name) FROM t1 GROUP BY rollno;
id rollno group_concat(name) id rollno GROUP_CONCAT(name)
1 1 Record_1,Record_3,Record_5 1 1 Record_1,Record_3,Record_5
2 2 Record_2 2 2 Record_2
4 3 Record_4,Record_6 4 3 Record_4,Record_6
7 4 Record_7,Record_8 7 4 Record_7,Record_8
## Dropping table t1 ## ## Dropping table t1 ##
DROP table t1; DROP TABLE t1;
## Disconnecting both the connection ## ## Disconnecting both the connection ##
SET @@global.group_concat_max_len = @save; SET @@global.group_concat_max_len = @save;
...@@ -11,18 +11,23 @@ ...@@ -11,18 +11,23 @@
# Creation Date: 2008-03-07 # # Creation Date: 2008-03-07 #
# Author: Salman Rawala # # Author: Salman Rawala #
# # # #
# Last modification: #
# 2008-11-14 mleich Fix Bug#40644 main.group_concat_max_len_func random #
# failures #
# + minor improvements #
# #
# Description: Test Cases of Dynamic System Variable group_concat_max_len # # Description: Test Cases of Dynamic System Variable group_concat_max_len #
# that checks the functionality of this variable # # that checks the functionality of this variable #
# # # #
# Reference: http://dev.mysql.com/doc/refman/5.1/en/ # # Reference: #
# server-system-variables.html # # http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
# # # #
############################################################################### ###############################################################################
SET @save = @@global.group_concat_max_len; SET @save = @@global.group_concat_max_len;
--disable_warnings --disable_warnings
drop table if exists t1; DROP TABLE IF EXISTS t1;
--enable_warnings --enable_warnings
######################### #########################
...@@ -32,9 +37,9 @@ drop table if exists t1; ...@@ -32,9 +37,9 @@ drop table if exists t1;
--echo ## Creating new table t1 ## --echo ## Creating new table t1 ##
CREATE TABLE t1 CREATE TABLE t1
( (
id INT NOT NULL auto_increment, id INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (id), PRIMARY KEY (id),
rollno int NOT NULL, rollno INT NOT NULL,
name VARCHAR(30) name VARCHAR(30)
); );
...@@ -48,18 +53,22 @@ name VARCHAR(30) ...@@ -48,18 +53,22 @@ name VARCHAR(30)
SET @@global.group_concat_max_len = 4; SET @@global.group_concat_max_len = 4;
--echo ## Inserting some rows in table ## --echo ## Inserting some rows in table ##
INSERT into t1(rollno, name) values(1, 'Record_1'); INSERT INTO t1(rollno, name) VALUES(1, 'Record_1');
INSERT into t1(rollno, name) values(2, 'Record_2'); INSERT INTO t1(rollno, name) VALUES(2, 'Record_2');
INSERT into t1(rollno, name) values(1, 'Record_3'); INSERT INTO t1(rollno, name) VALUES(1, 'Record_3');
INSERT into t1(rollno, name) values(3, 'Record_4'); INSERT INTO t1(rollno, name) VALUES(3, 'Record_4');
INSERT into t1(rollno, name) values(1, 'Record_5'); INSERT INTO t1(rollno, name) VALUES(1, 'Record_5');
INSERT into t1(rollno, name) values(3, 'Record_6'); INSERT INTO t1(rollno, name) VALUES(3, 'Record_6');
INSERT into t1(rollno, name) values(4, 'Record_7'); INSERT INTO t1(rollno, name) VALUES(4, 'Record_7');
INSERT into t1(rollno, name) values(4, 'Record_8'); INSERT INTO t1(rollno, name) VALUES(4, 'Record_8');
# The following "auxiliary" select ensures that all records are on disk
# = result sets got by parallel sessions cannot suffer from effects
# caused by the MyISAM feature "concurrent_inserts".
SELECT * FROM t1 ORDER BY id;
--echo ## Creating two new connections ## --echo ## Creating two new connections ##
CONNECT (test_con1,localhost,root,,); connect (test_con1,localhost,root,,);
CONNECT (test_con2,localhost,root,,); connect (test_con2,localhost,root,,);
--echo '#--------------------FN_DYNVARS_034_02-------------------------#' --echo '#--------------------FN_DYNVARS_034_02-------------------------#'
...@@ -68,16 +77,16 @@ CONNECT (test_con2,localhost,root,,); ...@@ -68,16 +77,16 @@ CONNECT (test_con2,localhost,root,,);
############################################################################### ###############################################################################
--echo ## Connecting with test_con1 ## --echo ## Connecting with test_con1 ##
CONNECTION test_con1; connection test_con1;
--echo ## Accessing data and using group_concat on column whose value is greater than 4 ## --echo ## Accessing data and using group_concat on column whose value is greater than 4 ##
SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; SELECT id, rollno, GROUP_CONCAT(name) FROM t1 GROUP BY rollno;
--echo ## Changing session value of variable and verifying its behavior, ## --echo ## Changing session value of variable and verifying its behavior, ##
--echo ## warning should come here ## --echo ## warning should come here ##
SET @@session.group_concat_max_len = 10; SET @@session.group_concat_max_len = 10;
SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; SELECT id, rollno, GROUP_CONCAT(name) FROM t1 GROUP BY rollno;
--echo '#--------------------FN_DYNVARS_034_03-------------------------#' --echo '#--------------------FN_DYNVARS_034_03-------------------------#'
...@@ -97,7 +106,7 @@ SET @@session.group_concat_max_len = 20; ...@@ -97,7 +106,7 @@ SET @@session.group_concat_max_len = 20;
--echo ## Verifying value of name column, it should not me more than 20 characters ## --echo ## Verifying value of name column, it should not me more than 20 characters ##
--echo ## Warning should come here ## --echo ## Warning should come here ##
SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; SELECT id, rollno, GROUP_CONCAT(name) FROM t1 GROUP BY rollno;
--echo '#--------------------FN_DYNVARS_034_04-------------------------#' --echo '#--------------------FN_DYNVARS_034_04-------------------------#'
...@@ -111,7 +120,7 @@ SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; ...@@ -111,7 +120,7 @@ SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno;
SET @@session.group_concat_max_len = 26; SET @@session.group_concat_max_len = 26;
--echo ## Verifying value of name column, it should not give warning now ## --echo ## Verifying value of name column, it should not give warning now ##
SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; SELECT id, rollno, GROUP_CONCAT(name) FROM t1 GROUP BY rollno;
############################################################ ############################################################
...@@ -119,11 +128,11 @@ SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno; ...@@ -119,11 +128,11 @@ SELECT id, rollno, group_concat(name) FROM t1 GROUP BY rollno;
############################################################ ############################################################
--echo ## Dropping table t1 ## --echo ## Dropping table t1 ##
DROP table t1; DROP TABLE t1;
--echo ## Disconnecting both the connection ## --echo ## Disconnecting both the connection ##
DISCONNECT test_con2; disconnect test_con2;
DISCONNECT test_con1; disconnect test_con1;
connection default; connection default;
......
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