From: Tom Lane <tgl@sss.pgh.pa.us>
To: Michael Moore <michaeljmoore@gmail.com>
cc: postgres list <pgsql-sql@postgresql.org>
Subject: Re: Only target lines of text
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Comments: In-reply-to Michael Moore <michaeljmoore@gmail.com>
	message dated "Mon, 14 Nov 2016 17:19:17 -0800"
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Date: Mon, 14 Nov 2016 20:57:40 -0500
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Michael Moore <michaeljmoore@gmail.com> writes:
> how can I change this so that it only shows me the lines of text containing
> the matching string?

> SELECT
>  proname AS functionname,
>  prosrc AS source
> FROM
>   pg_proc
> WHERE
>   prosrc ~* 'ypoi_db';

You mean you just want part of each prosrc entry?  Try something like

select * from
  (select proname, unnest(string_to_array(prosrc, '\n')) as l from pg_proc) ss
where l ~* 'ypoi_db';

			regards, tom lane


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