PH35847: OC DOES NOT CORRECTLY COMPARE MASKED UDT COLUMNS

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Consider the following tables:
  CREATE TABLE TS5791.TB_W_UDT
     (COL1                 TS5791.INTEGER_TYPE
        WITH DEFAULT INTEGER_TYPE(NULL))
    PARTITION BY SIZE EVERY 4 G
    AUDIT NONE
    DATA CAPTURE NONE
    CCSID      EBCDIC
    NOT VOLATILE
    APPEND NO
    LOGGED
    COMPRESS NO;
  
  CREATE NEWSCH.TABLE TB_W_UDT
     (COL1                 NEWSCH.INTEGER_TYPE
        WITH DEFAULT INTEGER_TYPE(NULL))
    PARTITION BY SIZE EVERY 4 G
    AUDIT NONE
    DATA CAPTURE NONE
    CCSID      EBCDIC
    NOT VOLATILE
    APPEND NO
    LOGGED
    COMPRESS NO;
  
   With the following mask, compare should report no changes
  
    SCHEMA: TS5791,NEWSCH
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Db2 Object Comparison Tool for      *
  *                 z/OS.                                        *
  ****************************************************************
  * PROBLEM DESCRIPTION: Object Compare does not correctly       *
  *                      compare masked user-defined type        *
  *                      columns.                                *
  ****************************************************************
  When comparing tables that have columns with user-defined types
  (UDT), Object Compare does not correctly apply relevant schema
  and name masks to the UDT columns, which results in incorrect
  comparisons.
  
  For example,
  
  CREATE TABLE OSCH.TB_W_UDT
     (COL1                 OSCH.INTEGER_TYPE   etc.
  
  CREATE NEWSCH.TABLE TB_W_UDT
     (COL1                 NEWSCH.INTEGER_TYPE
  
  With the following mask, compare should report no changes
  
  SCHEMA: OLDSCH,NEWSCH
  
  However, compare fails with the following:
  
  Compare table source(OSCH.TB_W_UDT) and target(NEWSCH.TB_W_UDT)
    Column COL1
      Conversion not supported for Col COL1 (DISTINCT to DISTINCT)
      (D)Type changed from Distinct type NEWSCH.INTEGER_TYPE
                        to Distinct type OSCH.INTEGER_TYPE
      (E)This type change is not supported
    Tables have identical column lists
    Table NEWSCH.TB_W_UDT will be dropped
    Table will be recreated
    Table data conversion jobstep will not be generated
    Conversion will fail because of datatype mismatch
    Run stopped because conversion(s) not supported
  

Problem conclusion

• The problem has been resolved.
  

Temporary fix

Comments

APAR Information

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

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

  UI74750

Modules/Macros

• ADB2CMT
  

Fix information

• Fixed component name

  DB2 ADMIN TOOL

• Fixed component ID

  568851500

Applicable component levels

• RC10 PSY UI74750

     UP21/05/03 P F104

Fix is available

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