http://qs321.pair.com?node_id=11116583


in reply to Re^4: Create parallel database handles or SQL statements for multi-threaded/process access to Postgres DB using DBI, DBD::Pg and Parallel::ForkManager
in thread Create parallel database handles or SQL statements for multi-threaded/process access to Postgres DB using DBI, DBD::Pg and Parallel::ForkManager

Hi again,

Add to your DB schema:

unique key all_cols_uk (every, column, name, in, the, table),

https://www.w3schools.com/sql/sql_unique.asp

Hope this helps!


The way forward always starts with a minimal test.