Fix row estimation bug
Fix row estimation bug

The variable `table` is mutated from `schema.tablename` to `tablename`
before being passed to other functions, which try to parse the schema
from the name. This results in schema name being `public` because it's
missing from the given table name.

sosedoff/pgweb,sosedoff/pgweb,sosedoff/pgweb,sosedoff/pgweb