2053654 - ISNUMERIC() function returns incorrect result of '1' for various characters - SAP ASE | SAP Knowledge Base Article

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2053654 - ISNUMERIC() function returns incorrect result of '1' for various characters - SAP ASE

Symptom

  • Using the ISNUMERIC() function with the following character strings incorrectly returns a value of '1' :
    • .  (period)
    • ,  (comma)
    • $ (currency sign)
    • + (plus sign)
    • -  (minus sign)
    • e (natural logarithm)
  • Attempt to convert any of these character strings to a 'number' datatype of integer, float, money or decimal/numeric fails with error 249:

Msg 249, Level 16, State 1:
Syntax error during explicit conversion of VARCHAR value 'e' to a INT field.


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Environment

SAP Adaptive Server Enterprise (ASE) 15.x and 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5

Keywords

conversion ,VARCHAR,INT field , error 249 , message 249 , 'incorrect result' , 'incorrect conversion' , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , SAP Business Suite on Sybase ASE Database Platform , Bug Filed

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