From: | Jason Farmer <jfarmer(at)getloaded(dot)com> |
---|---|
To: | Richard Broersma Jr <rabroersma(at)yahoo(dot)com> |
Cc: | Erik Jones <erik(at)myemma(dot)com>, General Postgresql List <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: Using In Clause For a Large Text Matching Query |
Date: | 2006-06-30 12:31:16 |
Message-ID: | 44A51994.5040506@getloaded.com |
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Thread: | |
Lists: | pgsql-sql |
Ah, I do think that sounds about like what I want! Let me play with this
one some, thanks so much!!
Richard Broersma Jr wrote:
>> Well, there is also: <a
>> href="http://www.postgresql.org/docs/8.1/interactive/functions-comparisons.html#AEN13377">
>>
>> /expression/ /operator/ ANY (/array expression/)</a>. So, if you have a way to preprocess you
>> input text fields that you want matched
>> you could build a regex for each and feed them in an array to an '~ ANY' expression like so (or,
>> use ~* for case
>> insensitive matching):
>>
>> SELECT col1
>> FROM table
>> WHERE col1 ~ ANY (ARRAY['regex1', 'regex2', ...]);
>>
>
> Good point, But don't forget to include the list in your response. :-)
>
> Regards,
>
> Richard Broersma Jr.
>
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