How to exclude blobs (large objects) from being loaded by pg_restore?

Hello,

We have a database that has been unloaded using pg_dump. This database has a table with a field defined as "lo". When restoring this database to another system, we want to avoid loading this particular table as it is very large (about 8GB of blob data) and is not needed on the target system. I tried the following:
1. Create a list of all the tables in the pg_dump file using the -l option of pg_restore
2. Edit out the lines corresponding to the said table (with the "lo" column)
3. Run the pg_restore with the -L option to use the edited list of tables.

I have found that what this does is to exclude only the non-lo fields of the table. So after the load, the table itself is not visible in the target system. But the actual blob data does get loaded since they are contained in the pg_largeobject system table. This table does not occur in the listing produced in step 1 above and so cannot be edited out. Besides it is a system table and should not be excluded anyway.

I'd appreciate some input on how I can get the blob data of a specific table to be excluded from a pg_restore. This is an operation that we need to do on a monthly basis. We do not want to exclude the blobs from the dump itself (since the whole database is to be preserved as a monthly record), but only from the restore.

Postgres 9.1.4 on AIX.

Thanks.

Alanoly Andrews.
Invera Inc.
Montreal, Canada.

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