RelationalOperators.sql File Reference

The implementantion in sql of PointSP. More...

Functions
boolean	north (pointsp pointa, pointsp pointb)
boolean	south (pointsp pointa, pointsp pointb)
boolean	east (pointsp pointa, pointsp pointb)
boolean	west (pointsp pointa, pointsp pointb)

Detailed Description

The implementantion in sql of PointSP.

Author

Marios Vodas (mvoda.nosp@m.s@gm.nosp@m.ail.c.nosp@m.om).

PointSP is a spatial data type used in Hermes

See also

Spatial data types

Function Documentation

boolean east	(	pointsp	pointa,
		pointsp	pointb
	)

boolean north	(	pointsp	pointa,
		pointsp	pointb
	)

boolean south	(	pointsp	pointa,
		pointsp	pointb
	)

boolean west	(	pointsp	pointa,
		pointsp	pointb
	)