FDO API Reference | Feature Data Objects |
Include dependency graph for mgUniqueConstraint.h:
Classes | |
class | UniqueConstraint |
FdoUniqueConstraint can be used to specify that a property or list of properties taken together have unique values for all objects of that class in a datastore. A unique constraint that is based on a list of two or more properties is called a composite unique constraint. This constraint type applies to all data property types except for Boolean, BLOB, and CLOB. A Boolean property can be included if it’s part of a composite unique constraint. More... |
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