Error and Status Returns
Most functions of the ESQL-LIB interface return specific exception conditions. These conditions are returned to a variable that you declare called SQLCODE or SQLSTATE. If you use the Preprocessor, you must declare SQLCODE or SQLSTATE:
The Preprocessor references SQLCODE or SQLSTATE for each ESQL statement that can return an ESQL exception. If you use ESQL-LIB directly, you must explicitly bind SQLCODE or SQLSTATE to ESQL prior to each function that sets a value for SQLCODE or SQLSTATE using the
sqlcdbind()
function. For more information on using SQLCODE or SQLSTATE and their possible values, see Programming with ESQL."
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