DataPump Export (EXPDP) Fails With ORA-1427 When Using A XMLTYPE Column With Object Grants
(Doc ID 1118596.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 to 184.108.40.206 [Release 10.2 to 11.2]
Information in this document applies to any platform.
When exporting a schema with XMLTYPE columns and column privileges granted to another schema, then the following error is raised:
ORA-01427: single-row subquery returns more than one row
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPW$WORKER", line 7839
A sample for this setup is:
create directory bugdir as '/tmp';
grant read, write on directory bugdir to public;
grant connect, resource to user1 identified by user1;
grant connect, resource to user2 identified by user2;
create table tab1 (num number, xt xmltype);
-- grant insert on the xmltype column to the 2nd user
grant insert (xt) on tab1 to user2;
A table with an XMLTYPE column was created for which object grants were given to another schema.
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