Definition.sql File Reference

The implementantion in sql of SegmentSP. More...

Functions
segmentsp	insegmentsp (cstring)
cstring	outsegmentsp (segmentsp)
segmentsp	recvsegmentsp (internal)
bytea	send (segmentsp)
boolean	equals (segmentsp segmenta, segmentsp segmentb)
integer	hash (segmentsp segment)
pointsp	geti (segmentsp segment)
	The function returns the start of the SegmentSP. More...
integer	getix (segmentsp segment)
	The function returns the x coordinate of the start of the SegmentSP. More...
integer	getiy (segmentsp segment)
	The function returns the y coordinate of the start of the SegmentSP. More...
pointsp	gete (segmentsp segment)
	The function returns the end of the SegmentSP. More...
integer	getex (segmentsp segment)
	The function returns the x coordinate of the end of the SegmentSP. More...
integer	getey (segmentsp segment)
	The function returns the y coordinate of the end of the SegmentSP. More...
segmentsp	segmentsp (integer ix, integer iy, integer ex, integer ey)
	The function creates a SegmentSP from 4 integers. More...
segmentsp	segmentsp (pointsp i, pointsp e)
	The function creates a SegmentSP from 2 PointSP. More...
segmentsp	clone (segmentsp segment)

Detailed Description

The implementantion in sql of SegmentSP.

Author

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

SegmentSP is a spatial data type used in Hermes

See also

Spatial data types

Function Documentation

segmentsp clone

(

segmentsp

segment

)

boolean equals	(	segmentsp	segmenta,
		segmentsp	segmentb
	)

pointsp gete

(

segmentsp

segment

)

The function returns the end of the SegmentSP.

Parameters

[in]

segment

The SegmentSP

Returns

end of the SegmentSP

See also

get

integer getex

(

segmentsp

segment

)

The function returns the x coordinate of the end of the SegmentSP.

Parameters

[in]

segment

The SegmentSP

Returns

the coordinate

See also

get

integer getey

(

segmentsp

segment

)

The function returns the y coordinate of the end of the SegmentSP.

Parameters

[in]

segment

The SegmentSP

Returns

the coordinate

See also

get

pointsp geti

(

segmentsp

segment

)

The function returns the start of the SegmentSP.

Parameters

[in]

segment

The SegmentSP

Returns

start of the SegmentSP

See also

get

integer getix

(

segmentsp

segment

)

The function returns the x coordinate of the start of the SegmentSP.

Parameters

[in]

segment

The SegmentSP

Returns

the coordinate

See also

get

integer getiy

(

segmentsp

segment

)

The function returns the y coordinate of the start of the SegmentSP.

Parameters

[in]

segment

The SegmentSP

Returns

the coordinate

See also

get

integer hash

(

segmentsp

segment

)

segmentsp insegmentsp

(

cstring

)

cstring outsegmentsp

(

segmentsp

)

segmentsp recvsegmentsp

(

internal

)

segmentsp segmentsp	(	integer	ix,
		integer	iy,
		integer	ex,
		integer	ey
	)

The function creates a SegmentSP from 4 integers.

Parameters

[in]	ix	the x coordinate of the start point
[in]	iy	the y coordinate of the start point
[in]	ex	the x coordinate of the end point
[in]	ey	the x coordinate of the end point

Returns

SegmentSP

segmentsp segmentsp	(	pointsp	i,
		pointsp	e
	)

The function creates a SegmentSP from 2 PointSP.

Parameters

[in]	i	the start point
[in]	e	the end point

Returns

SegmentSP

bytea send

(

segmentsp

)