Re: Using In Clause For a Large Text Matching Query - Mailing list pgsql-sql

From Jason Farmer
Subject Re: Using In Clause For a Large Text Matching Query
Date
Msg-id 44A51994.5040506@getloaded.com
Whole thread Raw
In response to Re: Using In Clause For a Large Text Matching Query  (Richard Broersma Jr <rabroersma@yahoo.com>)
List 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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