Seth Robertson wrote:
In order to support some automation, I needed the ability to pull out
subsets of postgres tables in a format which could be loaded into
other postgres databases.
One alternative would be using CREATE TABLE AS to create a separate
table containing the desired subset, and then using pg_dump to dump that
table.
Instead of writing a utility to replicate the functionality in
pg_dump, I created a new flag, --where, which allows you to postpend
where (or order or limit or whatever) sql fragments at the end of the
select done by pg_dump.
Neat, but IMHO too much of a kludge for mainline.
-Neil
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
