3
votes
1answer
2k views

PostgreSQL: Cannot change directory to /root

I am trying to copy a table planet_osm_polygon from one database osm to another test. I su postgres and performed the pg_dump. Problem: However I'm getting the error could not change directory to ...
0
votes
1answer
271 views

Set field values to newly imported rows in PostgreSQL table with existing data

I have a PostgreSQL table with existing data, and needs to import all the rows in a CSV file into that table. I am using pgadmin3's Import tool to do the import. Question: For the newly imported ...
2
votes
1answer
484 views

Limiting number of results in a Partition using OVER(PARTITION BY)

In the following query, why is it that we have to limit the results returned from each Partition by using the clause WHERE foo.row_num < 3 outside of the subquery foo but not from within the ...