Re: Using DEFAULT as a parameter value with PQexecPrepare()

From: "Greg Sabino Mullane" <greg(at)turnstep(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Using DEFAULT as a parameter value with PQexecPrepare()
Date: 2012-04-06 02:17:32
Message-ID: abf5366ce571ef7e1c6812bd7aee7bdf@biglumber.com
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> I was looking for a to use a prepared statement for this operation.
>
> PREPARE myinsert AS "INSERT INTO t ( c1, c2, c3, c4, c5) VALUES ( $1, $2, $3, $4, $5);
>
> Now I want to execute this prepared statement something like:
>
> EXECUTE myinsert ( 'abc', 1, DEFAULT, 9, 3);
>
> Is there any way to specify the column's default value as a parameter value?

You will need to have separate prepared statements. In the case above,
you can use either:

PREPARE myinsert2 AS INSERT INTO t(c1,c2,c3,c4,c5) VALUES ($1,$2,DEFAULT,$3,$4);

or

PREPARE myinsert2 AS INSERT INTO t(c1,c2,c4,c5) VALUES ($1,$2,$3,$4);

- --
Greg Sabino Mullane greg(at)turnstep(dot)com
End Point Corporation http://www.endpoint.com/
PGP Key: 0x14964AC8 201204052214
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8
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