From: | Andrew McNamara <andrewm(at)object-craft(dot)com(dot)au> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Confusion over Python drivers |
Date: | 2010-02-13 01:07:42 |
Message-ID: | 20100213010743.16C5B206F7@longblack.object-craft.com.au |
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Lists: | pgsql-hackers |
>Andrew McNamara <andrewm(at)object-craft(dot)com(dot)au> writes:
>>>> The solution is to write the query in an unambiguous way:
>>>> SELECT $1::date + 1;
>
>> You are missing the point: this is not about what types the SQL execution
>> sees. It is about making sure the correct recv function is applied to
>> the binary parameter data.
>
>Indeed, and the above locution does set that.
Sure, but it requires the driver to modify the query - that isn't
reasonable or practical. Expecting the user to the driver to know
and correct set the type the driver will ultimately see is a recipe
for disaster.
--
Andrew McNamara, Senior Developer, Object Craft
http://www.object-craft.com.au/
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