我正在尝试在包含名称的文本字段上创建三元组索引。我已将 pg_trgm 扩展添加到架构中。运行\dx显示已启用：
List of installed extensions
Name | Version | Schema | Description
-----------+---------+------------+-------------------------------------------------------------------
btree_gin | 1.3 | pg_catalog | support for indexing common datatypes in GIN
dblink | 1.2 | wos_core | connect to other PostgreSQL databases from within a database
pg_trgm | 1.4 | wos_core | text similarity measurement and index searching based on trigrams
plpgsql | 1.0 | pg_catalog | PL/pgSQL procedural language
(4 rows)
但是，当我运行以下命令时：
CREATE INDEX authors_full_name_idx ON wos_core.interface_table USING GIN (authors_full_name …