On Fri, Sep 8, 2017 at 6:57 AM Tom Lane <t...@sss.pgh.pa.us> wrote:
> Ron Johnson <ron.l.john...@cox.net> writes: > > Based on LENGTH(offending_column), none of the values are more than 144 > > bytes in this 44.2M row table. Even though VARCHAR is, by definition, > > variable length, are there any internal design issues which would make > > things more efficient if it were dropped to, for example, VARCHAR(256)? > > No. > > So the declarative column length has no bearing on memory grants during plan generation/execution?
