db_postgres: Refactor open() behavior to be consistent with other DBs (#6381)
db_postgres: Refactor open() behavior to be consistent with other DBs (#6381)


dom96/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,dom96/Nim,dom96/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,tulayang/Nim,tulayang/Nim,dom96/Nim,tulayang/Nim,tulayang/Nim,tulayang/Nim,dom96/Nim,tulayang/Nim,russpowers/Nim,dom96/Nim,dom96/Nim