This extension is not packaged until Xray version 3.84.x. Suppose you are performing an upgrade from a previous Xray version and using bundled PostgreSQL. In that case, you must manually install the necessary packages based on the PostgreSQL version currently installed.
The error message typically appears as follows:
The error message typically appears as follows:
ERROR: could not open extension control file "/usr/share/pgsql/extension/btree_gist.control": No such file or directory (SQLSTATE 58P01)This error indicates that the PostgreSQL extension control file for "btree_gist" is missing on the database server.