Horton

Re: Re: Data types?

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: "Timothy H. Keitt" <Timothy.Keitt@StonyBrook.Edu>
Cc: pgsql-general@postgresql.org
Date: 2001-03-12T21:06:38Z
Lists: pgsql-general 
"Timothy H. Keitt" <Timothy.Keitt@StonyBrook.Edu> writes:
> By the way, what are all those types prefixed with an 
> underscore?  Are these ever delivered to a client?

If foo is a simple type, then (by convention) _foo is an array of foo,
ie, it's the internal name for "foo[]".

"CREATE TYPE foo" makes the array type _foo as well...

			regards, tom lane