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1
by brian
clean slate |
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#
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# Bug when using comparions of strings and integers.
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#
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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 (id CHAR(12) not null, PRIMARY KEY (id)); |
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insert into t1 values ('000000000001'),('000000000002'); |
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explain select * from t1 where id=000000000001; |
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select * from t1 where id=000000000001; |
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delete from t1 where id=000000000002; |
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select * from t1; |
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drop table t1; |
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#
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# Check the following:
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# "a" == "a "
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# "a\0" < "a"
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# "a\0" < "a "
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SELECT 'a' = 'a '; |
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SELECT 'a\0' < 'a'; |
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SELECT 'a\0' < 'a '; |
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SELECT 'a\t' < 'a'; |
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SELECT 'a\t' < 'a '; |
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CREATE TABLE t1 (a char(10) not null); |
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INSERT INTO t1 VALUES ('a'),('a\0'),('a\t'),('a '); |
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SELECT hex(a),STRCMP(a,'a'), STRCMP(a,'a ') FROM t1; |
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DROP TABLE t1; |
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# Bug #8134: Comparison against CHAR(31) at end of string
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SELECT CHAR(31) = '', '' = CHAR(31); |
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# Extra test
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SELECT CHAR(30) = '', '' = CHAR(30); |
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# End of 4.1 tests
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#
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#Bug #21159: Optimizer: wrong result after AND with different data types
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#
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520.1.10
by Brian Aker
Adding back more tests. |
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create table t1 (a int,b varbinary(1)); |
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1
by brian
clean slate |
45 |
insert into t1 values (0x01,0x01); |
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select * from t1 where a=b; |
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select * from t1 where a=b and b=0x01; |
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drop table if exists t1; |
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#
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# Bug #31887: DML Select statement not returning same results when executed
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# in version 5
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#
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520.1.10
by Brian Aker
Adding back more tests. |
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CREATE TABLE t1 (b int, c int); |
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1
by brian
clean slate |
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INSERT INTO t1 (b,c) VALUES (1,2), (1,1), (2,2); |
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SELECT CONCAT(b,c), CONCAT(b,c) = '0101' FROM t1; |
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EXPLAIN EXTENDED SELECT b,c FROM t1 WHERE b = 1 AND CONCAT(b,c) = '0101'; |
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SELECT b,c FROM t1 WHERE b = 1 AND CONCAT(b,c) = '0101'; |
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CREATE TABLE t2 (a int); |
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INSERT INTO t2 VALUES (1),(2); |
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SELECT a, |
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(SELECT COUNT(*) FROM t1 |
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WHERE b = t2.a AND CONCAT(b,c) = CONCAT('0',t2.a,'01')) x |
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FROM t2 ORDER BY a; |
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EXPLAIN EXTENDED |
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SELECT a, |
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(SELECT COUNT(*) FROM t1 |
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WHERE b = t2.a AND CONCAT(b,c) = CONCAT('0',t2.a,'01')) x |
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FROM t2 ORDER BY a; |
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DROP TABLE t1,t2; |
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--echo End of 5.0 tests |