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560fc0379b
some db comparison code cleupup removed compiler warnings mysql-test/r/lowercase_table.result: test for BUG#3251 mysql-test/t/lowercase_table.test: test for BUG#3251 sql/item.cc: simple strcmp can be used for db name comparison sql/set_var.h: changed initialisation order to satisfy compiler sql/sql_cache.cc: simple strcmp can be used for db name comparison sql/sql_db.cc: better use special cherset for files sql/sql_parse.cc: simple strcmp can be used for db name comparison aliases should be compared with my_strcasecmp sql/sql_select.cc: aliases should be compared with my_strcasecmp
60 lines
1.4 KiB
Text
60 lines
1.4 KiB
Text
drop table if exists t1,t2,t3,t4;
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create table T1 (id int primary key, Word varchar(40) not null, Index(Word));
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create table t4 (id int primary key, Word varchar(40) not null);
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INSERT INTO T1 VALUES (1, 'a'), (2, 'b'), (3, 'c');
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INSERT INTO T4 VALUES(1,'match');
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SELECT * FROM t1;
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id Word
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1 a
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2 b
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3 c
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SELECT T1.id from T1 LIMIT 1;
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id
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1
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SELECT T2.id from t1 as T2 LIMIT 1;
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id
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1
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SELECT * from t1 left join t4 on (test.t1.id= TEST.t4.id) where TEST.t1.id >= test.t4.id;
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id Word id Word
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1 a 1 match
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SELECT T2.id from t1 as t2 LIMIT 1;
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id
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1
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RENAME TABLE T1 TO T2;
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ALTER TABLE T2 ADD new_col int not null;
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ALTER TABLE T2 RENAME T3;
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show tables like 't_';
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Tables_in_test (t_)
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t3
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t4
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drop table t3,t4;
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create table t1 (a int);
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select count(*) from T1;
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count(*)
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0
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select count(*) from t1;
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count(*)
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0
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select count(T1.a) from t1;
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count(T1.a)
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0
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select count(bags.a) from t1 as Bags;
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count(bags.a)
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0
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drop table t1;
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create table t1 (a int);
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create table t2 (a int);
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delete p1.*,P2.* from t1 as p1, t2 as p2 where p1.a=P2.a;
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delete P1.*,p2.* from t1 as P1, t2 as P2 where P1.a=p2.a;
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update t1 as p1, t2 as p2 SET p1.a=1,P2.a=1 where p1.a=P2.a;
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update t1 as P1, t2 as P2 SET P1.a=1,p2.a=1 where P1.a=p2.a;
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drop table t1,t2;
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create table t1 (a int);
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create table t2 (a int);
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select * from t1 c, t2 C;
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ERROR 42000: Not unique table/alias: 'C'
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select C.a, c.a from t1 c, t2 C;
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ERROR 42000: Not unique table/alias: 'C'
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drop table t1, t2;
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show tables;
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Tables_in_test
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