Re: string = any()

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andy Colson <andy(at)squeakycode(dot)net>
Cc: David Johnston <polobo(at)yahoo(dot)com>, "'PostgreSQL'" <pgsql-general(at)postgresql(dot)org>
Subject: Re: string = any()
Date: 2012-01-10 16:42:09
Message-ID: 24939.1326213729@sss.pgh.pa.us
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Andy Colson <andy(at)squeakycode(dot)net> writes:
> My confusion was from:

> clayia=# select '{''joe'', ''bob'' }';
> ?column?
> -----------------
> {'joe', 'bob' }
> (1 row)

> It does return an array of string, or so it looks.

Yeah, it's not obvious that those quote marks are really data
characters. I wonder whether we could get away with tweaking array_out
to consider single-quote marks as being grounds for quoting an array
element. Then you would have seen a result like

?column?
---------------------
{"'joe'", "'bob'"}

which might at least have given you an inkling of what was happening.

regards, tom lane

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