2434488 - Slow grouped leaf node performance -- SAP IQ | SAP Knowledge Base Article

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2434488 - Slow grouped leaf node performance -- SAP IQ

Symptom

Aggregation query with:

  • count() in projection list and having predicate on count()
  • Sample for illustration
    select column_name, count() from a_table group by column_name having count() > 1 ;

"grouped leaf" in html query plan


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Environment

SAP IQ 16.0

Product

SAP IQ 16.0

Keywords

count , distinct , "grouped leaf", query_plan_as_html , performance , index_preference , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed

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