merge with 3.23.53 (only code cleanup and new test case)

Docs/manual.texi:
  Auto merged
mysql-test/t/binary.test:
  Auto merged
mysql-test/r/binary.result:
  merge with 3.23.53
sql/item_strfunc.h:
  Code cleanup
This commit is contained in:
unknown 2002-09-18 02:04:56 +03:00
commit 081023e8fd
3 changed files with 17 additions and 1 deletions

View File

@ -51235,6 +51235,8 @@ not yet 100% confident in this code.
@appendixsubsec Changes in release 3.23.53
@itemize @bullet
@item
Fixed core dump bug when using the @code{BINARY} cast on a @code{NULL} value.
@item
Fixed bug in @code{ALTER TABLE} and @code{RENAME TABLE} when running with
@code{-O lower_case_table_names=1} (typically on windows) when giving the
table name in uppercase.

View File

@ -32,3 +32,13 @@ select * from t1 where a="hello ";
select * from t1 where b="hello ";
select * from t1 where b="hello";
drop table t1;
#
# Test of binary and NULL
#
create table t1 (b char(8));
insert into t1 values(NULL);
select b from t1 where binary b like '';
select b from t1 group by binary b like '';
select b from t1 having binary b like '';
drop table t1;

View File

@ -486,7 +486,11 @@ public:
Item_func_binary(Item *a) :Item_str_func(a) {}
const char *func_name() const { return "binary"; }
String *val_str(String *a)
{ a=args[0]->val_str(a); null_value=args[0]->null_value; return a; }
{
String *tmp=args[0]->val_str(a);
null_value=args[0]->null_value;
return tmp;
}
void fix_length_and_dec() { binary=1; max_length=args[0]->max_length; }
void print(String *str) { print_op(str); }
};