mariadb/mysql-test/t/compare.test
unknown c2383412b2 Fix error in string comparisons with CHAR(31) against the space-padding
of strings of unequal length. (Bug #8134)


mysql-test/t/compare.test:
  Add new regression test
strings/ctype-simple.c:
  Fix value used for swapping negative/positive values using XOR
mysql-test/r/compare.result:
  Add new test result
2005-01-28 17:18:35 -08:00

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823 B
Text

#
# Bug when using comparions of strings and integers.
#
--disable_warnings
drop table if exists t1;
--enable_warnings
CREATE TABLE t1 (id CHAR(12) not null, PRIMARY KEY (id));
insert into t1 values ('000000000001'),('000000000002');
explain select * from t1 where id=000000000001;
select * from t1 where id=000000000001;
delete from t1 where id=000000000002;
select * from t1;
drop table t1;
#
# Check the following:
# "a" == "a "
# "a\0" < "a"
# "a\0" < "a "
SELECT 'a' = 'a ';
SELECT 'a\0' < 'a';
SELECT 'a\0' < 'a ';
SELECT 'a\t' < 'a';
SELECT 'a\t' < 'a ';
CREATE TABLE t1 (a char(10) not null);
INSERT INTO t1 VALUES ('a'),('a\0'),('a\t'),('a ');
SELECT hex(a),STRCMP(a,'a'), STRCMP(a,'a ') FROM t1;
DROP TABLE t1;
# Bug #8134: Comparison against CHAR(31) at end of string
SELECT CHAR(31) = '', '' = CHAR(31);