Re: Re: Data types?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Timothy H(dot) Keitt" <Timothy(dot)Keitt(at)StonyBrook(dot)Edu>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Re: Data types?
Date: 2001-03-12 21:06:38
Message-ID: 880.984431198@sss.pgh.pa.us
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"Timothy H. Keitt" <Timothy(dot)Keitt(at)StonyBrook(dot)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

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