Troubleshooting
Problem
With Cognos Framework Manager or Report having custom expressions with static SQL text below -
SELECT 'OPEN' as STATUS
FROM TABLE
FROM TABLE
Run against Greenplum database over an ODBC driver will encounter the error -
RQP-DEF-0403 Using a blob column in this query requires that the query subject X must have either a key or a unique index.
Symptom
RQP-DEF-0403 Using a blob column in this query requires that the query subject X must have either a key or a unique index.
Document Location
Worldwide
[{"Type":"MASTER","Line of Business":{"code":"LOB76","label":"Data Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSTSF6","label":"IBM Cognos Analytics"},"ARM Category":[{"code":"a8m50000000Cl6nAAC","label":"Data Sources"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"},{"Product":{"code":"SS6G84","label":"IBM Cognos Analytics on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSLKT6","label":"IBM Maximo Asset Management"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]
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Document Information
Modified date:
15 January 2026
UID
ibm16579399