This is a document for PGroonga 1.X. See PGroonga 2.x document when you're using recent PGroonga.
These were dropped in PGroonga 4.0.0. Not available in PGroonga 4.0.0 or later.
This document describes about useful information for specific situations.
If you have useful information that isn't listed in this page, please send a pull request to pgroonga/pgroonga.github.io. Please share your useful information!