Hello
2008/8/28 Bill <pg@dbginc.com>:
> The SQL database servers I have worked with cannot use and index for a
> SELECT of the form
>
> SELECT * FROM ATABLE
> WHERE AFIELD LIKE ?
>
> because there is no way to know the location of the wild card until the
> parameter value is known. InterBase and Firebird allow
>
> SELECT * FROM ATABLE
> WHERE AFIELD STARTING WITH ?
>
> which is equivalent to LIKE 'ABC%' and will use an index on AFIELD. Is
> there a similar syntax in PostgreSQL?
>
there is some similar - look
http://www.depesz.com/index.php/2008/03/04/searching-for-longest-prefix/http://pgfoundry.org/projects/prefix
regards
Pavel Stehule
> Bill
>
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