相关疑难解决方法(0)

我有一个比较两hstore列的视图.

当我转储和还原此数据库时,还原失败并显示以下错误消息:

Importing /tmp/hstore_test_2014-05-12.backup...
pg_restore: [archiver (db)] Error while PROCESSING TOC:
pg_restore: [archiver (db)] Error from TOC entry 172; 1259 1358132 VIEW hstore_test_view xxxx
pg_restore: [archiver (db)] could not execute query: ERROR:  operator does not exist: public.hstore = public.hstore
LINE 2:  SELECT NULLIF(hstore_test_table.column1, hstore_test_table....
                ^
HINT:  No operator matches the given name and argument type(s). You might need to add explicit type casts.
    Command was: CREATE VIEW hstore_test_view AS
 SELECT NULLIF(hstore_test_table.column1, hstore_test_table.column2) AS "nullif"
   FROM hst...
pg_restore: [archiver …