What about partitioning the table using bar='criteria' and bar!='criteria' as partitioning condition?
You can then decide to dump only the first subtable, the second or all the data with pg_dump.
I have similar issues and this is the solution I am working on (still not done).
Angelo
On 4/11/07, Andrew Edson < cheighlund@yahoo.com> wrote:I am aware of this, yes, but the data in question is all (both sets) contained on a single table. That's why I was looking for a way to do a 'dump where (select foo where bar = 'criteria')' structure.
Merlin Moncure <mmoncure@gmail.com> wrote: On 4/11/07, Andrew Edson wrote:
> I'm needing to do a partial dump on a database. All of the entries in the
> db can be marked as one of two groups, and I've been asked to create a dump
> of just the second group. It is possible to do a select statement based
> dump and just grab the one set of records in the output?
you are aware you can dump a table at a time, right? pg_dump -t foo
dumps table foo. A partial dumping scheme would probably involve
using pg_dump with various flag in combination with a script that
makes a list of things to dump.
merlin
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