AttributeOrValue Struct Reference

Variant structure to hold an attribute name or a constant value. More...

#include <QueryEngine.h>

List of all members.

Public Attributes
bool	isAttribute
	Whether the structure stores an attribute name or a constant value.
union {
RelationAttribute   attribute
	An attribute name (isAttribute != 0).
TypedValue   value
	A constant value (isAttribute == 0).
};

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Detailed Description

Variant structure to hold an attribute name or a constant value.

Variant structure to hold an attribute name (RelationAttribute) or a constant value (TypedValue). The isAttribute field indicates which field of the union is meaningful.

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The documentation for this struct was generated from the following file:

• /Users/green/Documents/workspace/DavisDB_public/QueryEngine.h