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b0b315dce3
Don't create temporary objects with no table name myisam/mi_open.c: After merge fix mysql-test/r/analyse.result: After merge fix mysql-test/r/backup.result: After merge fix mysql-test/r/create.result: After merge fix mysql-test/r/delete.result: After merge fix mysql-test/r/func_like.result: After merge fix mysql-test/r/innodb.result: After merge fix mysql-test/r/rpl_loaddatalocal.result: After merge fix mysql-test/r/type_timestamp.result: After merge fix mysql-test/t/delete.test: Change to not use table 't' sql/sql_class.h: Remove usage of thd when creating 'Table_ident' Don't create temporary objects with no table name sql/sql_derived.cc: Indentation fix sql/sql_select.cc: After merge fix Fixed wrong return -> DBUG_RETURN() sql/sql_yacc.yy: Remove usage of thd when creating 'Table_ident'
39 lines
891 B
Text
39 lines
891 B
Text
drop table if exists t1;
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create table t1 (a varchar(10), key(a));
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insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
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explain select * from t1 where a like 'abc%';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range a a 11 NULL 1 Using where; Using index
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explain select * from t1 where a like concat('abc','%');
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range a a 11 NULL 1 Using where; Using index
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select * from t1 where a like "abc%";
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a
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abc
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abcd
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select * from t1 where a like concat("abc","%");
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a
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abc
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abcd
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select * from t1 where a like "ABC%";
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a
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abc
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abcd
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select * from t1 where a like "test%";
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a
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test
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select * from t1 where a like "te_t";
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a
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test
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select * from t1 where a like "%a%";
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a
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a
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abc
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abcd
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select * from t1 where a like "%abcd%";
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a
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abcd
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select * from t1 where a like "%abc\d%";
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a
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abcd
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drop table t1;
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