2010/8/16 Tom Lane t...@sss.pgh.pa.us:
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com
writes:
Yes, and you point out another thing. EXECUTE is a way to bypass the
named prepare statement, to be sure query is replanned each time.
Unfortunely the current implementation
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com writes:
2010/8/16 Tom Lane t...@sss.pgh.pa.us:
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com
writes:
Unfortunely the current implementation of EXECUTE USING is not working
this way.
Uh ... what
2010/8/17 Tom Lane t...@sss.pgh.pa.us:
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com
writes:
2010/8/16 Tom Lane t...@sss.pgh.pa.us:
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com
writes:
Unfortunely the current implementation of EXECUTE USING
2010/8/17 Cédric Villemain cedric.villemain.deb...@gmail.com:
2010/8/17 Tom Lane t...@sss.pgh.pa.us:
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com
writes:
2010/8/16 Tom Lane t...@sss.pgh.pa.us:
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com writes:
Here we are. A simple usecase.
The reason you have an issue here is that the column is char(n) while
the parameter is text. So the non-USING execute is equivalent to
regression=# explain SELECT flag FROM foo where
2010/8/17 Tom Lane t...@sss.pgh.pa.us:
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com
writes:
Here we are. A simple usecase.
The reason you have an issue here is that the column is char(n) while
the parameter is text. So the non-USING execute is equivalent to
2010/8/5 Heikki Linnakangas heikki.linnakan...@enterprisedb.com:
There's a little problem with EXECUTE USING when the parameters are of type
unknown (going back to 8.4 where EXECUTE USING was introduced):
do $$
BEGIN
EXECUTE 'SELECT to_date($1, $2)' USING '17-DEC-80', 'DD-MON-YY';
END;
=?ISO-8859-1?Q?C=E9dric_Villemain?= cedric.villemain.deb...@gmail.com writes:
Yes, and you point out another thing. EXECUTE is a way to bypass the
named prepare statement, to be sure query is replanned each time.
Unfortunely the current implementation of EXECUTE USING is not working
this way.
On 16/08/10 03:35, Tom Lane wrote:
Heikki Linnakangasheikki.linnakan...@enterprisedb.com writes:
One approach is to handle the conversion from unknown to the right data
type transparently in the backend. Attached patch adds a
coerce-param-hook for fixed params that returns a CoerceViaIO node
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
One approach is to handle the conversion from unknown to the right data
type transparently in the backend. Attached patch adds a
coerce-param-hook for fixed params that returns a CoerceViaIO node to
convert the param to the
On 06/08/10 01:13, Tom Lane wrote:
Andrew Dunstanand...@dunslane.net writes:
On 08/05/2010 05:11 PM, Tom Lane wrote:
This example doesn't seem terribly compelling. Why would you bother
using USING with constants?
In a more complex example you might use $1 in more than one place in the
On 06/08/10 01:13, Tom Lane wrote:
Andrew Dunstanand...@dunslane.net writes:
On 08/05/2010 05:11 PM, Tom Lane wrote:
This example doesn't seem terribly compelling. Why would you bother
using USING with constants?
In a more complex example you might use $1 in more than one place in the
There's a little problem with EXECUTE USING when the parameters are of
type unknown (going back to 8.4 where EXECUTE USING was introduced):
do $$
BEGIN
EXECUTE 'SELECT to_date($1, $2)' USING '17-DEC-80', 'DD-MON-YY';
END;
$$;
ERROR: failed to find conversion function from unknown to text
Hello
2010/8/5 Heikki Linnakangas heikki.linnakan...@enterprisedb.com:
There's a little problem with EXECUTE USING when the parameters are of type
unknown (going back to 8.4 where EXECUTE USING was introduced):
do $$
BEGIN
EXECUTE 'SELECT to_date($1, $2)' USING '17-DEC-80', 'DD-MON-YY';
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
There's a little problem with EXECUTE USING when the parameters are of
type unknown (going back to 8.4 where EXECUTE USING was introduced):
do $$
BEGIN
EXECUTE 'SELECT to_date($1, $2)' USING '17-DEC-80', 'DD-MON-YY';
END;
On 08/05/2010 05:11 PM, Tom Lane wrote:
Heikki Linnakangasheikki.linnakan...@enterprisedb.com writes:
There's a little problem with EXECUTE USING when the parameters are of
type unknown (going back to 8.4 where EXECUTE USING was introduced):
do $$
BEGIN
EXECUTE 'SELECT to_date($1, $2)'
Andrew Dunstan and...@dunslane.net writes:
On 08/05/2010 05:11 PM, Tom Lane wrote:
This example doesn't seem terribly compelling. Why would you bother
using USING with constants?
In a more complex example you might use $1 in more than one place in the
query.
Well, that's better than no
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