Re: Large Result and Memory Limit - Mailing list pgsql-general

From André Volpato
Subject Re: Large Result and Memory Limit
Date
Msg-id 470543D0.2090607@ecomtecnologia.com.br
Whole thread Raw
In response to Large Result and Memory Limit  (Mike Ginsburg <mginsburg@collaborativefusion.com>)
Responses Re: Large Result and Memory Limit  (Mike Ginsburg <mginsburg@collaborativefusion.com>)
List pgsql-general
Mike Ginsburg escreveu:
> Hello,
>  I am working on a personnel registry that has upwards of 50,000
> registrants.  Currently I am working on an export module that will
> create a CSV from multiple tables.  I have managed to keep the script
> (PHP) under the memory limit
okay... some info needed here.
1. memory on the DB server
2. memory_limit on php.ini
> when creating and inserting the CSV into the database.  The problem
> comes when I try to query for the data and export it.  Memory limit is
> a major concern, but the query for one row returns a result set too
> large and PHP fails.
a single row is enough to crash PHP ?

>
> I've thought about storing the data in multiple rows and then querying
> one-by-one and outputting, but was hoping there was a better way.
if you can´t raise memory_limit, I think it´s the only way.

[]´s
ACV


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