The core PostgreSQL distribution includes the GIN operator classes previously shown in Table 66.1. The following
contrib modules also contain GIN operator classes:
B-tree equivalent functionality for several data types
Module for storing (key, value) pairs
Enhanced support for
Text similarity using trigram matching
If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.