|
Problem IT03034
|
Status: Closed |
Presence of VALUES clause in a correlated query might prevent breaking of common table expression. |
| product: |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 |
| Problem description: |
Under rare scenarios, QRW might not optimize the graph
completely if the following conditions are true:
1) The query contains one or more common table expressions (CTE)
2) The CTE subgraph contains one or more correlations to the
same query block
3) CTE contains a VALUES clause |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 V9.7 Fix Pack 10 or higher. *
**************************************************************** |
| Local Fix: |
Rewrite the query to break the CTE into individual query blocks. |
| Solution |
Fixed in DB2 V 9.7 Fix Pack 10. |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 08.07.2014
08.12.2014
08.12.2014 |
| Problem solved at the following versions (IBM BugInfos) |
9.7.FP10
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.7.0.10
|
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