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synced 2025-07-18 23:03:28 +03:00
280b1c33e3
Fixed wrong allocation that could cause buffer overrun when using join cache myisam/mi_open.c: Fixed indentation mysql-test/r/lowercase_table2.result: Drop tables and databases used in the test mysql-test/t/lowercase_table2.test: Drop tables and databases used in the test mysys/my_fopen.c: Cleanup of comments and parameter names Simple optimization Removed compiler warnings sql/field.cc: Fixed wrong allocation that could cause buffer overrun sql/mysqld.cc: Removed not needed code sql/set_var.cc: Simply code sql/sql_select.cc: Use int2store/int2korr to store length of cached VARCHAR fields (Not dependent on type and faster code as we avoid one possible call)
168 lines
3.3 KiB
Plaintext
168 lines
3.3 KiB
Plaintext
DROP TABLE IF EXISTS t1,t2,t3,t2aA,t1Aa;
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DROP DATABASE IF EXISTS `TEST_$1`;
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DROP DATABASE IF EXISTS `test_$1`;
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DROP DATABASE mysqltest_LC2;
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CREATE TABLE T1 (a int);
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INSERT INTO T1 VALUES (1);
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SHOW TABLES LIKE "T1";
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Tables_in_test (T1)
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T1
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SHOW TABLES LIKE "t1";
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Tables_in_test (t1)
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T1
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SHOW CREATE TABLE T1;
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Table Create Table
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T1 CREATE TABLE `T1` (
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`a` int(11) default NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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RENAME TABLE T1 TO T2;
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SHOW TABLES LIKE "T2";
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Tables_in_test (T2)
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T2
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SELECT * FROM t2;
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a
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1
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RENAME TABLE T2 TO t3;
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SHOW TABLES LIKE "T3";
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Tables_in_test (T3)
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t3
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RENAME TABLE T3 TO T1;
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SHOW TABLES LIKE "T1";
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Tables_in_test (T1)
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T1
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ALTER TABLE T1 add b int;
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SHOW TABLES LIKE "T1";
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Tables_in_test (T1)
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T1
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ALTER TABLE T1 RENAME T2;
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SHOW TABLES LIKE "T2";
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Tables_in_test (T2)
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T2
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LOCK TABLE T2 WRITE;
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ALTER TABLE T2 drop b;
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SHOW TABLES LIKE "T2";
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Tables_in_test (T2)
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T2
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UNLOCK TABLES;
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RENAME TABLE T2 TO T1;
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SHOW TABLES LIKE "T1";
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Tables_in_test (T1)
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T1
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SELECT * from T1;
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a
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1
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DROP TABLE T1;
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CREATE DATABASE `TEST_$1`;
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SHOW DATABASES LIKE "TEST%";
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Database (TEST%)
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TEST_$1
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DROP DATABASE `test_$1`;
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CREATE TABLE T1 (a int) engine=innodb;
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INSERT INTO T1 VALUES (1);
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SHOW TABLES LIKE "T1";
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Tables_in_test (T1)
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T1
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SHOW TABLES LIKE "t1";
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Tables_in_test (t1)
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T1
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SHOW CREATE TABLE T1;
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Table Create Table
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T1 CREATE TABLE `T1` (
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`a` int(11) default NULL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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RENAME TABLE T1 TO T2;
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SHOW TABLES LIKE "T2";
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Tables_in_test (T2)
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T2
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SELECT * FROM t2;
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a
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1
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RENAME TABLE T2 TO t3;
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SHOW TABLES LIKE "T3";
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Tables_in_test (T3)
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t3
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RENAME TABLE T3 TO T1;
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SHOW TABLES LIKE "T1";
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Tables_in_test (T1)
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T1
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ALTER TABLE T1 add b int;
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SHOW TABLES LIKE "T1";
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Tables_in_test (T1)
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T1
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ALTER TABLE T1 RENAME T2;
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SHOW TABLES LIKE "T2";
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Tables_in_test (T2)
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T2
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LOCK TABLE T2 WRITE;
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ALTER TABLE T2 drop b;
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SHOW TABLES LIKE "T2";
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Tables_in_test (T2)
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T2
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UNLOCK TABLES;
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RENAME TABLE T2 TO T1;
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SHOW TABLES LIKE "T1";
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Tables_in_test (T1)
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T1
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SELECT * from T1;
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a
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1
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DROP TABLE T1;
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create table T1 (EVENT_ID int auto_increment primary key, LOCATION char(20));
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insert into T1 values (NULL,"Mic-4"),(NULL,"Mic-5"),(NULL,"Mic-6");
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SELECT LOCATION FROM T1 WHERE EVENT_ID=2 UNION ALL SELECT LOCATION FROM T1 WHERE EVENT_ID=3;
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LOCATION
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Mic-5
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Mic-6
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SELECT LOCATION FROM T1 WHERE EVENT_ID=2 UNION ALL SELECT LOCATION FROM T1 WHERE EVENT_ID=3;
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LOCATION
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Mic-5
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Mic-6
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SELECT LOCATION FROM T1 WHERE EVENT_ID=2 UNION ALL SELECT LOCATION FROM T1 WHERE EVENT_ID=3;
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LOCATION
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Mic-5
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Mic-6
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drop table T1;
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create table T1 (A int);
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alter table T1 add index (A);
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show tables like 'T1%';
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Tables_in_test (T1%)
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T1
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alter table t1 add index (A);
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show tables like 't1%';
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Tables_in_test (t1%)
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t1
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drop table t1;
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create temporary table T1(a int(11), b varchar(8));
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insert into T1 values (1, 'abc');
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select * from T1;
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a b
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1 abc
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alter table T1 add index (a);
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select * from T1;
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a b
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1 abc
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drop table T1;
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create database mysqltest_LC2;
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use mysqltest_LC2;
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create table myUC (i int);
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insert into myUC values (1),(2),(3);
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select * from myUC;
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i
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1
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2
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3
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use test;
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drop database mysqltest_LC2;
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create database mysqltest_LC2;
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use mysqltest_LC2;
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create table myUC (i int);
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select * from myUC;
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i
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use test;
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drop database mysqltest_LC2;
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create table t2aA (col1 int);
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create table t1Aa (col1 int);
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select t1Aa.col1 from t1aA,t2Aa where t1Aa.col1 = t2aA.col1;
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col1
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drop table t2aA, t1Aa;
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