FairCom Direct SQL for C and C++

ctsqlIsNullable

Retrieve an indication if the column accepts null fields.

Declaration

CTSQL_NULLABILITY ctsqlIsNullable(pCTSQLCURSOR hCursor, INTEGER colnumber)

Description

ctsqlIsNullable() retrieves an indication if the column accepts null fields.

• hCursor the cursor handle.
• colnumber the column number.

Return

ctsqlIsNullable() returns the nullability of a column. The possible values for the nullability are:

NULLABLE Value	Value
SQL_NO_NULLS	0
SQL_NULLABLE	0
SQL_NULLABLE_UNKNOWN	0

See Also

ctsqlGetParameterNullFlag(), ctsqlIsColumnNull()