Ingres 12.0 | value_check Routine--Check for Valid Values

Object Management Extension User Guide > Object Management Extension User Guide > Defining Data Types > value_check Routine--Check for Valid Values

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value_check Routine--Check for Valid Values

The value_check routine checks for valid values.

For some data types, only certain characters or bit patterns might be valid. This routine checks the patterns for validity. For example, this routine which rejects C data type values which contain null characters.

Place the address of this routine in the dtd_valchk_addr field of the IIADD_DT_DFN structure.

Inputs

The inputs for this function are:

scb

Pointer to a SCB

Pointer to data value in question

Outputs

This function has no outputs. The return value (II_OK or II_ERROR) determines correctness.

Returns

II_STATUS

Last modified date: 08/28/2024