Commit e1cd462e authored by unknown's avatar unknown
Browse files

Merge mysql.com:/usr/home/bar/mysql-4.1.b15098 

into  mysql.com:/usr/home/bar/mysql-5.0
Bug#15098


mysql-test/t/cast.test:
  Auto merged
mysql-test/r/cast.result:
  After merge fix
sql/field.cc:
  After merge fix
parents 5d621a1b 4ccd3761

mysql-test/r/cast.result

+8 −0
Original line number Diff line number Diff line
@@ -370,3 +370,11 @@ DROP TABLE t1; 
select cast(NULL as decimal(6)) as t1;

t1

NULL

CREATE TABLE t1 (f1 double);

INSERT INTO t1 SET f1 = -1.0e+30 ;

INSERT INTO t1 SET f1 = +1.0e+30 ;

SELECT f1 AS double_val, CAST(f1 AS SIGNED INT) AS cast_val FROM t1;

double_val	cast_val

-1e+30	-9223372036854775808

1e+30	9223372036854775807

DROP TABLE t1;

mysql-test/t/cast.test

+9 −0
Original line number Diff line number Diff line
@@ -165,6 +165,15 @@ select cast(repeat('1',20) as signed); 
#

select cast(1.0e+300 as signed int);



#

# Bugs: #15098: CAST(column double TO signed int), wrong result

#

CREATE TABLE t1 (f1 double);

INSERT INTO t1 SET f1 = -1.0e+30 ;

INSERT INTO t1 SET f1 = +1.0e+30 ;

SELECT f1 AS double_val, CAST(f1 AS SIGNED INT) AS cast_val FROM t1;

DROP TABLE t1;					   



# End of 4.1 tests

sql/field.cc

+5 −0
Original line number Diff line number Diff line
@@ -4240,6 +4240,11 @@ longlong Field_double::val_int(void) 
  else

#endif

    doubleget(j,ptr);

  /* Check whether we fit into longlong range */

  if (j <= (double) LONGLONG_MIN)

    return (longlong) LONGLONG_MIN;

  if (j >= (double) (ulonglong) LONGLONG_MAX)

    return (longlong) LONGLONG_MAX;

  return (longlong) rint(j);

}