Contents Index Using indicator values for conversion errors The SQL Communication Area (SQLCA)

ASA Programming Guide
  Embedded SQL Programming
    Using host variables
      Indicator variables

Summary of indicator variable values

The following table provides a summary of indicator variable usage.

Indicator Value Supplying Value to database Receiving value from database
> 0 Host variable value Retrieved value was truncated — actual length in indicator variable
0 Host variable value Fetch successful, or CONVERSION_ERROR set to ON
-1 NULL value NULL result
-2 NULL value Conversion error (when CONVERSION_ERROR is set to OFF only). SQLCODE indicates a CANNOT_CONVERT warning
< -2 NULL value NULL result

For more information on retrieving long values, see GET DATA statement [ESQL].


Contents Index Using indicator values for conversion errors The SQL Communication Area (SQLCA)