in reply to Getting column size/type From DBI
I'm not a pg user, but the Cheetah book lists, under driver specific attributes and methods on page 312, pg_size, which sounds like what you need.
Returns a reference to an array of integer values for each column. The integer shows the storage (not display) size of the column in bytes. Variable length columns are indicated by -1.
- Programming the Perl DBI
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