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 Functions of the Precompiler Runtime Environment 

The precompiler runtime environment performs the following functions at runtime of the application program:

·        Connecting to the databases and opening database session as specified in the connection options

·        Assigning parameter values

·        Converting Data Types

·        Executing precompiler statements

·        Using indicator variables to denote NULL values (undefined values)

·        Writing database system messages in the structure sqlca

·        Writing the trace file as specified in the trace options

See also Example: Executing an Application Program

You can use the IRCONF tool to administer the installed versions of the runtime library of the interface programs, including the precompiler.

 

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