1958545 - Creation of user-defined function ( UDF ) in SAP IQ | SAP Knowledge Base Article

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1958545 - Creation of user-defined function ( UDF ) in SAP IQ


  • SAP IQ adopts some features of SQL Anywhere product.
  • A user-defined function is processed by the Catalog Store (implemented by SQL Anywhere feature).
  • Therefore it does not take advantage of the performance features of Sybase IQ.
  • As the result, the following impacts are expected:
    • A query using a user-defined function can cause a performance issue.
    • In certain cases, differences of specification between SQL Anywhere and Sybase IQ can produce an unexpected result for a query.



  • SAP IQ 15.x
  • SAP IQ 16.0


SAP IQ 16.0 ; SAP Sybase IQ 15.2 ; SAP Sybase IQ 15.4


performance, unexpected result , KBA , BC-SYB-IQ , Sybase IQ , How To

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