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conflicts: Text conflict in mysql-test/suite/sys_vars/r/rpl_max_binlog_size_func.result Text conflict in mysql-test/suite/sys_vars/t/rpl_max_binlog_size_func.test
112 lines
4.1 KiB
Plaintext
112 lines
4.1 KiB
Plaintext
############## mysql-test\t\myisam_stats_method_func.test ####################
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# #
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# Variable Name: myisam_stats_method #
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# Scope: GLOBAL | SESSION #
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# Access Type: Dynamic #
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# Data Type: enumeration #
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# Default Value: nulls_equal #
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# Valid Values: nulls_equal, nulls_unequal #
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# #
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# #
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# Creation Date: 2008-03-08 #
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# Author: Rizwan #
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# #
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# Description: Test Cases of Dynamic System Variable myisam_stats_method #
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# that checks the behavior of this variable #
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# #
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# Reference: #
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# http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
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# #
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###############################################################################
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--echo '#--------------------FN_DYNVARS_097_01-------------------------#'
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#####################################################################
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# Check if Setting myisam_stats_method is changed in new connection #
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#####################################################################
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SET @start_value = @@global.myisam_stats_method;
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SET @@global.myisam_stats_method = nulls_equal;
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--echo 'connect (con1,localhost,root,,,,)'
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connect (con1,localhost,root,,,,);
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--echo 'connection con1'
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connection con1;
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SELECT @@global.myisam_stats_method;
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SELECT @@session.myisam_stats_method;
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disconnect con1;
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--echo '#--------------------FN_DYNVARS_097_02-------------------------#'
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###########################################################
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# Begin the functionality Testing of myisam_stats_method #
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###########################################################
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--echo 'connection default'
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connection default;
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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--enable_warnings
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CREATE TABLE t1 (a INT, KEY (a));
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INSERT INTO t1 VALUES (0),(1),(2),(3),(4);
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INSERT INTO t1 SELECT NULL FROM t1;
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#=======================================
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--echo 'default: NULLs considered unequal'
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#=======================================
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SET myisam_stats_method = nulls_unequal;
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ANALYZE TABLE t1;
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SHOW INDEX FROM t1;
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INSERT INTO t1 VALUES (11);
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DELETE FROM t1 WHERE a = 11;
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CHECK TABLE t1;
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SHOW INDEX FROM t1;
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#=====================================
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--echo 'Set nulls to be equal'
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#=====================================
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SET myisam_stats_method = nulls_equal;
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INSERT INTO t1 VALUES (11);
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DELETE FROM t1 WHERE a = 11;
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ANALYZE TABLE t1;
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SHOW INDEX FROM t1;
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INSERT INTO t1 VALUES (11);
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DELETE FROM t1 WHERE a = 11;
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CHECK TABLE t1;
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SHOW INDEX FROM t1;
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#=====================================
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--echo 'Set nulls to be ignored'
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#=====================================
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SET myisam_stats_method = nulls_ignored;
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SHOW VARIABLES LIKE 'myisam_stats_method';
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DROP TABLE t1;
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CREATE TABLE t1 (
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a CHAR(3), b CHAR(4), c CHAR(5), d CHAR(6),
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KEY(a,b,c,d)
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);
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INSERT INTO t1 VALUES ('bcd','def1', NULL, 'zz');
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INSERT INTO t1 VALUES ('bcd','def2', NULL, 'zz');
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INSERT INTO t1 VALUES ('bce','def1', 'yuu', NULL);
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INSERT INTO t1 VALUES ('bce','def2', NULL, 'quux');
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ANALYZE TABLE t1;
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SHOW INDEX FROM t1;
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DELETE FROM t1;
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ANALYZE TABLE t1;
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SHOW INDEX FROM t1;
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SET myisam_stats_method = DEFAULT;
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DROP TABLE t1;
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SET @@global.myisam_stats_method= @start_value;
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########################################################
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# End of functionality Testing for myisam_stats_method #
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########################################################
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