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c1d0dd94bb
but not collation. The problem here was that text literals in a view were always dumped with character set introducer. That lead to loosing collation information. The fix is to dump character set introducer only if it was in the original query. That is now possible because there is no problem any more of loss of character set of string literals in views -- after WL#4052 the view is dumped in the original character set. mysql-test/r/case.result: Update result file. mysql-test/r/compress.result: Update result file. mysql-test/r/ctype_collate.result: Update result file. mysql-test/r/date_formats.result: Update result file. mysql-test/r/ddl_i18n_koi8r.result: Update result file. mysql-test/r/ddl_i18n_utf8.result: Update result file. mysql-test/r/fulltext.result: Update result file. mysql-test/r/func_crypt.result: Update result file. mysql-test/r/func_encrypt.result: Update result file. mysql-test/r/func_if.result: Update result file. mysql-test/r/func_in.result: Update result file. mysql-test/r/func_like.result: Update result file. mysql-test/r/func_regexp.result: Update result file. mysql-test/r/func_set.result: Update result file. mysql-test/r/func_str.result: Update result file. mysql-test/r/func_time.result: Update result file. mysql-test/r/gis.result: Update result file. mysql-test/r/group_min_max.result: Update result file. mysql-test/r/mysqldump.result: Update result file. mysql-test/r/negation_elimination.result: Update result file. mysql-test/r/null.result: Update result file. mysql-test/r/select.result: Update result file. mysql-test/r/show_check.result: Update result file. mysql-test/r/sp-code.result: Update result file. mysql-test/r/ssl.result: Update result file. mysql-test/r/ssl_compress.result: Update result file. mysql-test/r/subselect.result: Update result file. mysql-test/r/temp_table.result: Update result file. mysql-test/r/type_blob.result: Update result file. mysql-test/r/view.result: Update result file. mysql-test/suite/binlog/r/binlog_stm_blackhole.result: Update result file. mysql-test/suite/rpl/r/rpl_get_lock.result: Update result file. mysql-test/suite/rpl/r/rpl_master_pos_wait.result: Update result file. mysql-test/t/view.test: Add a test case for Bug#32538. sql/item.cc: Do not dump character set introducer if it was not specified explicitly in the original query. sql/item.h: Add 'cs_specified' property to Item_string. sql/sql_yacc.yy: Set Item_string::cs_specified property to TRUE when character set introducer is explicitly specified.
391 lines
7.1 KiB
Text
391 lines
7.1 KiB
Text
drop table if exists t1;
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create table t1 (a int, key (a));
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insert into t1 values (NULL), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(10), (11), (12), (13), (14), (15), (16), (17), (18), (19);
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explain select * from t1 where not(not(a));
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL a 5 NULL 21 Using where; Using index
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select * from t1 where not(not(a));
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a
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explain select * from t1 where not(not(not(a > 10)));
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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 5 NULL 10 Using where; Using index
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select * from t1 where not(not(not(a > 10)));
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a
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explain select * from t1 where not(not(not(a < 5) and not(a > 10)));
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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 5 NULL 5 Using where; Using index
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select * from t1 where not(not(not(a < 5) and not(a > 10)));
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a
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explain select * from t1 where not(a = 10);
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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 5 NULL 19 Using where; Using index
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select * from t1 where not(a = 10);
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a
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explain select * from t1 where not(a != 10);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 5 const 1 Using where; Using index
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select * from t1 where not(a != 1);
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a
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1
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explain select * from t1 where not(a < 10);
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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 5 NULL 11 Using where; Using index
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select * from t1 where not(a < 10);
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a
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10
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explain select * from t1 where not(a >= 10);
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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 5 NULL 9 Using where; Using index
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select * from t1 where not(a >= 10);
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a
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explain select * from t1 where not(a > 10);
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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 5 NULL 10 Using where; Using index
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select * from t1 where not(a > 10);
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a
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explain select * from t1 where not(a <= 10);
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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 5 NULL 10 Using where; Using index
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select * from t1 where not(a <= 10);
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a
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explain select * from t1 where not(a is null);
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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 5 NULL 20 Using where; Using index
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select * from t1 where not(a is null);
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a
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explain select * from t1 where not(a is not null);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 5 const 1 Using where; Using index
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select * from t1 where not(a is not null);
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a
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NULL
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explain select * from t1 where not(a < 5 or a > 15);
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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 5 NULL 10 Using where; Using index
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select * from t1 where not(a < 5 or a > 15);
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a
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explain select * from t1 where not(a < 15 and a > 5);
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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 5 NULL 12 Using where; Using index
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select * from t1 where not(a < 15 and a > 5);
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a
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explain select * from t1 where a = 2 or not(a < 10);
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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 5 NULL 12 Using where; Using index
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select * from t1 where a = 2 or not(a < 10);
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a
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explain select * from t1 where a > 5 and not(a > 10);
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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 5 NULL 4 Using where; Using index
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select * from t1 where a > 5 and not(a > 10);
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a
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explain select * from t1 where a > 5 xor a < 10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL a 5 NULL 21 Using where; Using index
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select * from t1 where a > 5 xor a < 10;
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a
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explain select * from t1 where a = 2 or not(a < 5 or a > 15);
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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 5 NULL 11 Using where; Using index
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select * from t1 where a = 2 or not(a < 5 or a > 15);
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a
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explain select * from t1 where a = 7 or not(a < 15 and a > 5);
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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 5 NULL 13 Using where; Using index
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select * from t1 where a = 7 or not(a < 15 and a > 5);
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a
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explain select * from t1 where NULL or not(a < 15 and a > 5);
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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 5 NULL 12 Using where; Using index
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select * from t1 where NULL or not(a < 15 and a > 5);
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a
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explain select * from t1 where not(NULL and a > 5);
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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 5 NULL 6 Using where; Using index
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select * from t1 where not(NULL and a > 5);
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a
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explain select * from t1 where not(NULL or a);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
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select * from t1 where not(NULL or a);
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a
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explain select * from t1 where not(NULL and a);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL a 5 NULL 21 Using where; Using index
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select * from t1 where not(NULL and a);
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a
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explain select * from t1 where not((a < 5 or a < 10) and (not(a > 16) or a > 17));
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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 5 NULL 11 Using where; Using index
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select * from t1 where not((a < 5 or a < 10) and (not(a > 16) or a > 17));
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explain select * from t1 where not((a < 5 and a < 10) and (not(a > 16) or a > 17));
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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 5 NULL 15 Using where; Using index
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select * from t1 where not((a < 5 and a < 10) and (not(a > 16) or a > 17));
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explain select * from t1 where ((a between 5 and 15) and (not(a like 10)));
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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 5 NULL 10 Using where; Using index
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select * from t1 where ((a between 5 and 15) and (not(a like 10)));
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delete from t1 where a > 3;
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select a, not(not(a)) from t1;
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a not(not(a))
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NULL NULL
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explain extended select a, not(not(a)), not(a <= 2 and not(a)), not(a not like "1"), not (a not in (1,2)), not(a != 2) from t1 where not(not(a)) having not(not(a));
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 index NULL a 5 NULL 5 100.00 Using where; Using index
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a`,(`test`.`t1`.`a` <> 0) AS `not(not(a))`,((`test`.`t1`.`a` > 2) or `test`.`t1`.`a`) AS `not(a <= 2 and not(a))`,(`test`.`t1`.`a` like '1') AS `not(a not like "1")`,(`test`.`t1`.`a` in (1,2)) AS `not (a not in (1,2))`,(`test`.`t1`.`a` = 2) AS `not(a != 2)` from `test`.`t1` where `test`.`t1`.`a` having `test`.`t1`.`a`
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drop table t1;
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