Synopsispostgres [A 0 | 1 ] [B nbuffers] [c name=value] [d debuglevel] [describeconfig] [D datadir] [e] [E] [f s | i | t | n | m | h ] [F] [N] [o filename] [O] [P] [s | t pa | pl | ex ] [S workmem] [W seconds] [name=value] database postgres [A 0 | 1 ] [B nbuffers] [c name=value] [d debuglevel] [D da