Re: substring .. - Mailing list pgsql-sql

From Joel Burton
Subject Re: substring ..
Date
Msg-id 200012192008.eBJK8E322196@olympus.scw.org
Whole thread Raw
In response to substring ..  (Jeff MacDonald <jeff@hub.org>)
List pgsql-sql
> i want to do this to a datetime field..
> 
> select foo from table where substr(datefoo,1,11) = '2000-12-14';
> 
> it returns no results yet..
> 
> select substr(datefoo,1,11) does return some values that say
> 2000-12-14

Ummm... because '2000-12-14' is a ten-character, not eleven 
character long string. Try substr(datefoo,1,10) and it works for me 
(under 7.1devel).

However, this all seems sloppy. Why not extract the date, and 
compare it as a date?

--
Joel Burton, Director of Information Systems -*- jburton@scw.org
Support Center of Washington (www.scw.org)


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