geometry_columns details

landplanner1=# \d geometry_columns
            Table "public.geometry_columns"
      Column       |          Type          | Modifiers
-------------------+------------------------+-----------
 f_table_catalog   | character varying(256) | not null
 f_table_schema    | character varying(256) | not null
 f_table_name      | character varying(256) | not null
 f_geometry_column | character varying(256) | not null
 coord_dimension   | integer                | not null
 srid              | integer                | not null
 type              | character varying(30)  | not null
Indexes:
    "geometry_columns_pk" PRIMARY KEY, btree (f_table_catalog, f_table_schema, f_table_name, f_geometry_column)