The implementantion in sql of PointSP. More...

Functions
pointsp	inpointsp (cstring)
	The function transforms a string to a PointSP type. More...

cstring	outpointsp (pointsp)
	The function transforms a PointSP to a string. More...

pointsp	recvpointsp (internal)

bytea	send (pointsp)

boolean	equals (pointsp pointa, pointsp pointb)
	The function checks if two points are equal. More...

integer	hash (pointsp point)

integer	getx (pointsp point)
	The function returns the x coordinate of the point. More...

integer	gety (pointsp point)
	The function returns the y coordinate of the point. More...

pointsp	pointsp (integer x, integer y)
	The function creates a PointSP from two integers. More...

pointsp	clone (pointsp point)

Detailed Description

The implementantion in sql of PointSP.

PointSP is a spatial data type used in Hermes

Function Documentation

pointsp clone ( pointsp point )

The function checks if two points are equal.

Parameters

[in]	pointA	the first input point
[in]	pointB	the second input point

integer getx ( pointsp point )

The function returns the x coordinate of the point.

Parameters

[in] point The PointSP

integer gety ( pointsp point )

The function returns the y coordinate of the point.

Parameters

[in] point The PointSP

integer hash ( pointsp point )

pointsp inpointsp ( cstring )

The function transforms a string to a PointSP type.

Parameters

[in] cstring the point in string format

cstring outpointsp ( pointsp )

The function transforms a PointSP to a string.

Parameters

[in] PointSP the input point

The function creates a PointSP from two integers.

Parameters

[in]	x	the x coordinate of the point
[in]	y	the y coordinate of the point

pointsp recvpointsp ( internal )

bytea send ( pointsp )