实体化视图未出现在Geometry_Columns视图中

我在运行PostgreSQL 9.3.1的启用PostGIS 2.1的数据库中定义了一个物化视图：

CREATE MATERIALIZED VIEW canvec_data.contours_m AS 
 SELECT
    contours_original.ogc_fid, 
    contours_original.elevation::integer AS elevation_orig, 
    CASE
        WHEN "substring"(contours_original.code::text, 1, 3) = '257'::text THEN round(contours_original.elevation::double precision * 0.3048::double precision)
        ELSE contours_original.elevation::double precision
    END AS elevation_m, 
    contours_original.wkb_geometry::geometry(Linestring,3578)
 FROM canvec_data.contours_original

我可能错误地期望此结果实体（一个表？）会在public.geometry_columns视图中列出，并因此由GIS查看器软件（例如QGIS）正确解释。

物化视图未出现在public.geometry_columns视图中。

我究竟做错了什么？

谢谢！

您没有做错任何事，发现我们对PostgreSQL 9.3的新物化视图功能的支持存在漏洞。我已经修补了所有相关的分支，并且您可以自己更新geometry_columns的定义（请参阅此故障单中的更改参考http://trac.osgeo.org/postgis/ticket/2511）

实际上，您可以将以下内容粘贴到“ SQL”窗口中：

CREATE OR REPLACE VIEW geometry_columns AS 
  SELECT current_database()::varchar(256) AS f_table_catalog, 
    n.nspname::varchar(256) AS f_table_schema, 
    c.relname::varchar(256) AS f_table_name, 
    a.attname::varchar(256) AS f_geometry_column, 
    COALESCE(NULLIF(postgis_typmod_dims(a.atttypmod),2),
             postgis_constraint_dims(n.nspname, c.relname, a.attname),
             2) AS coord_dimension, 
    COALESCE(NULLIF(postgis_typmod_srid(a.atttypmod),0),
             postgis_constraint_srid(n.nspname, c.relname, a.attname),
             0) AS srid, 
    -- force to be uppercase with no ZM so is backwards compatible
    -- with old geometry_columns
    replace(
      replace(
        COALESCE(
          NULLIF(upper(postgis_typmod_type(a.atttypmod)::text), 'GEOMETRY'),
          postgis_constraint_type(n.nspname, c.relname, a.attname),
          'GEOMETRY'
        ), 'ZM', ''
      ), 'Z', ''
    )::varchar(30) AS type
  FROM pg_class c, pg_attribute a, pg_type t, pg_namespace n
  WHERE t.typname = 'geometry'::name 
    AND a.attisdropped = false 
    AND a.atttypid = t.oid 
    AND a.attrelid = c.oid 
    AND c.relnamespace = n.oid 
    AND (c.relkind = 'r'::"char" OR c.relkind = 'v'::"char" OR c.relkind = 'm'::"char")
    AND NOT pg_is_other_temp_schema(c.relnamespace)
    AND NOT ( n.nspname = 'public' AND c.relname = 'raster_columns' )
    AND has_table_privilege( c.oid, 'SELECT'::text );