Current Path : /usr/opt/mysql57/mysql-test/suite/sys_vars/t/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/opt/mysql57/mysql-test/suite/sys_vars/t/sql_select_limit_func.test |
############# mysql-test\t\sql_select_limit_func.test ##################### # # # Variable Name: sql_select_limit # # Scope: GLOBAL, SESSION # # Access Type: Dynamic # # Data Type: NUMERIC # # Default Value: 4294967295 # # Values: 1-4294967295 # # # # # # Creation Date: 2008-02-25 # # Author: Sharique Abdullah # # # # Description: Test Cases of Dynamic System Variable "sql_select_limit" # # 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 @session_sql_select_limit = @@SESSION.sql_select_limit; SET @global_sql_select_limit = @@GLOBAL.sql_select_limit; # # Creating tables # CREATE TEMPORARY TABLE t1(a int PRIMARY KEY, b varchar(20)); CREATE TEMPORARY TABLE t2(a int PRIMARY KEY, b varchar(20)); CREATE TEMPORARY TABLE t3(a int PRIMARY KEY, b varchar(20)); INSERT INTO t1 VALUES(1, 'val1'); INSERT INTO t1 VALUES(2, 'val2'); INSERT INTO t1 VALUES(3, 'val3'); INSERT INTO t1 VALUES(4, 'val4'); INSERT INTO t1 VALUES(5, 'val5'); INSERT INTO t1 VALUES(6, 'val6'); INSERT INTO t1 VALUES(7, 'val7'); INSERT INTO t1 VALUES(8, 'val8'); INSERT INTO t1 VALUES(9, 'val9'); INSERT INTO t2 VALUES(5, 'val5'); INSERT INTO t2 VALUES(6, 'val6'); INSERT INTO t2 VALUES(7, 'val7'); INSERT INTO t2 VALUES(8, 'val8'); INSERT INTO t2 VALUES(9, 'val9'); --echo '#-----------------------------FN_DYNVARS_165_01-----------------#' --echo --echo Value DEFAULT --echo # # Value DEFAULT # --enable_info SET SESSION sql_select_limit = DEFAULT; SELECT * FROM t1; --echo Expecting affected rows: 9 SELECT * FROM t1 INNER JOIN t2 ON t1.a = t2.a; --echo Expecting affected rows: 5 --echo '#-----------------------------FN_DYNVARS_165_02---------------#' # # Small value # SET SESSION sql_select_limit = 2; SELECT * FROM t1; --echo Expecting affected rows: 2 SELECT * FROM t1 INNER JOIN t2 ON t1.a = t2.a; --echo Expecting affected rows: 2 SET SESSION sql_select_limit = 0; SELECT * FROM t1; --echo Expecting affected rows: 0 SELECT * FROM t1 INNER JOIN t2 ON t1.a = t2.a; --echo Expecting affected rows: 0 --echo '#-----------------------------FN_DYNVARS_165_03---------------#' # # Small value with LIMIT Clause # SET SESSION sql_select_limit = 2; SELECT * FROM t1 LIMIT 4; --echo Expecting affected rows: 4 SELECT * FROM t1 INNER JOIN t2 ON t1.a = t2.a LIMIT 3; --echo Expecting affected rows: 3 --echo '#-----------------------------FN_DYNVARS_165_04----------------#' # # Small value with Store procedure # SET SESSION sql_select_limit = 2; delimiter |; CREATE PROCEDURE TestProc() BEGIN SELECT * FROM t1; END| delimiter ;| call TestProc(); --echo Expecting affected rows: 9 DROP PROCEDURE TestProc; delimiter |; CREATE PROCEDURE TestProc() BEGIN SELECT * FROM t1 INNER JOIN t2 ON t1.a = t2.a; END| delimiter ;| call TestProc(); --echo Expecting affected rows: 5 DROP PROCEDURE TestProc; --echo '#-----------------------------FN_DYNVARS_165_05-----------------#' # # Small value with Non result producing SELECT statements # SET SESSION sql_select_limit = 2; CREATE TEMPORARY TABLE t4(a int PRIMARY KEY, b varchar(20)) SELECT * FROM t2; --echo Expecting Records: 5 INSERT INTO t3 SELECT * FROM t1; --echo Expecting Records: 9 --echo '#-----------------------------FN_DYNVARS_165_06---------------------#' # # Session data integrity check & GLOBAL Value check # --disable_info SET GLOBAL sql_select_limit = 2; --echo ** Connecting con_int2 using root ** connect (con_int1,localhost,root,,); --echo ** Connection con_int1 ** connection con_int1; SELECT @@SESSION.sql_select_limit; --echo 2 Expected SET SESSION sql_select_limit = 10; --echo ** Connecting con_int2 using root ** connect (con_int2,localhost,root,,); --echo ** Connection con_int2 ** connection con_int2; SELECT @@SESSION.sql_select_limit; --echo 2 Expected SET SESSION sql_select_limit = 12; --echo ** Connection con_int2 ** connection con_int2; SELECT @@SESSION.sql_select_limit; --echo 12 Expected --echo ** Connection con_int1 ** connection con_int1; SELECT @@SESSION.sql_select_limit; --echo 10 Expected SELECT @@GLOBAL.sql_select_limit; --echo 2 Expected --echo ** Connection default ** connection default; --echo Disconnecting Connections con_int1, con_int2 disconnect con_int1; disconnect con_int2; # # Cleanup # --disable_info SET @@SESSION.sql_select_limit = @session_sql_select_limit; SET @@GLOBAL.sql_select_limit = @global_sql_select_limit; DROP TABLE t1; DROP TABLE t2; DROP TABLE t3; DROP TABLE t4;