2066935 - Error ORA-22859 after changing column data type from BLOB to VARCHAR2 – SAP PD 16.5 | SAP Knowledge Base Article

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2066935 - Error ORA-22859 after changing column data type from BLOB to VARCHAR2 – SAP PD 16.5

Symptom

  • Data type of an Oracle table column is changed from BLOB to VARCHAR2.
  • PowerDesigner generates an ALTER TABLE table_name MODIFY column_name statement.
  • Executing the script generated by PowerDesigner leads to error "ORA-22859: invalid modification of columns".
  • The alter.sql file should drop then create the table again.

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Environment

  • SAP PowerDesigner (PD) 16.5
  • SAP PowerDesigner (PD) 16.5 SP03
  • SAP PowerDesigner (PD) 16.5 SP04

Product

SAP PowerDesigner 16.5 ; Sybase PowerAMC 16.5

Keywords

CR770661, 770661 , KBA , BC-SYB-PD , PowerDesigner , Bug Filed

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