JR25105: A SQL STATEMENT RETURNS -901 REASON "BAD PLAN; UNRESOLVED QNC FOUND"

DB2 Version 9.1 Fix Pack 4a for Linux, UNIX and Windows
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APAR status

• Closed as program error.

Error description

• A SQL statement returns
  
  
  
  SQL0901N  The SQL statement failed because of a non-severe
  
  system error.
  
  Subsequent SQL statements can be processed.  (Reason "Bad Plan;
  
  Unresolved QNC found".)  LINE NUMBER=721.  SQLSTATE=58004
  

Local fix

• Local fix
  ATTEMPT TO MERGE TWO OR MORE PREDICATES OF A COMMON TABLE
  SUBEXPRESSION CREATES MUTUAL CORRELATION AND CAUSES AN INTERNAL
  ERROR
  

Problem summary

• A SQL STATEMENT RETURNS -901 REASON "BAD PLAN; UNRESOLVED QNC
  FOUND"
  

Problem conclusion

• Local fix
  ATTEMPT TO MERGE TWO OR MORE PREDICATES OF A COMMON TABLE
  SUBEXPRESSION CREATES MUTUAL CORRELATION AND CAUSES AN INTERNAL
  ERROR
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

  JR25102

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  DB2 UDB EXE WIN

• Fixed component ID

  5724E4901

Applicable component levels

• R910 PSY

     UP