Alex Turner <armtuk@xxxxxxxxx> writes: > It appears that casting to a char() causes spaces to be stripped (ignored) > from the string: mls=# select length('123 '::char(8)); length -------- 3 (1 row) > I'm not sure about anyone else, but I would personaly consider that a bug? No, it's a feature, as per extensive discussion some time ago when we made it do that. The general rule is that trailing spaces in a char(n) are semantically insignificant. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match