#Test for max_seeks_for_key#


--disable_warnings
drop table if exists t1;
--enable_warnings


#########################
#   Creating new table  #
#########################

CREATE TABLE t1
(a int auto_increment primary key, 
b char(20)
);



--echo '#--------------------FN_DYNVARS_084_01-------------------------#'
##########################################################
#    Test behavior of variable on new connection # 01    #
##########################################################

CONNECT (test_con1,localhost,root,,);
CONNECTION test_con1;

# Value of session & global vairable here should be 10
SELECT @@global.max_seeks_for_key = 10;
SELECT @@session.max_seeks_for_key = 10;

# Setting global value of variable and inserting data in table
SET @@global.max_seeks_for_key = 20;
SELECT @@global.max_seeks_for_key;
INSERT into t1(b) values("AREc");
explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;

# Setting session value of variable and inserting data in table
SET @@session.max_seeks_for_key = 2;
SELECT @@session.max_seeks_for_key;
INSERT into t1(b) values("BREc");
INSERT into t1(b) values("CRec");
explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;


--echo '#--------------------FN_DYNVARS_084_02-------------------------#'
##########################################################
#    Test behavior of variable on new connection # 02    #
##########################################################


CONNECT (test_con2,localhost,root,,);
connection test_con2;


# Value of session & global vairable here should be 10
SELECT @@global.max_seeks_for_key = 10;
SELECT @@session.max_seeks_for_key = 10;

# Setting global value of variable and inserting data in table
SET @@global.max_seeks_for_key = 20;
SELECT @@global.max_seeks_for_key;
INSERT into t1(b) values("AREc");
explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;

# Setting session value of variable and inserting data in table
SET @@session.max_seeks_for_key = 2;
SELECT @@session.max_seeks_for_key;
INSERT into t1(b) values("BREc");
INSERT into t1(b) values("CRec");
explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;






#####################################################
#   Inserting values in  table t and analyzing table #
#####################################################

INSERT INTO t1 values(null,"test");
INSERT INTO t1 VALUES (null,"a"),(null,"a"),(null,"a"),
                     (null,"a"),(null,"a"),(null,"a"),(null,"a"),
                     (null,"a"),(null,"a"),(null,"a");
explain SELECT STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;
analyze table t1;

###################################################################
#   Setting new value for max_seeks_for_key and anaylyzing table  #
###################################################################

SET MAX_SEEKS_FOR_KEY=1;


explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;
SET MAX_SEEKS_FOR_KEY=DEFAULT;

drop table t1;