Definition.sql File Reference

The implementantion in sql of LineSP. More...

Functions
linesp	inlinesp (cstring)
cstring	outlinesp (linesp)
linesp	recvlinesp (internal)
bytea	send (linesp)
boolean	equals (linesp linea, linesp lineb)
integer	hash (linesp line)
float8	geta (linesp line)
	The function returns the A parameter of the line. More...
float8	getb (linesp line)
	The function returns the B parameter of the line. More...
float8	getc (linesp line)
	The function returns the C parameter of the line. More...
linesp	linesp (float8 a, float8 b, float8 c)
	The function creates a LineSP from 3 double precision numbers. More...
linesp	clone (linesp line)

Detailed Description

The implementantion in sql of LineSP.

Author

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

LineSP is a spatial data type used in Hermes

See also

Spatial data types

Function Documentation

linesp clone

(

linesp

line

)

boolean equals	(	linesp	linea,
		linesp	lineb
	)

float8 geta

(

linesp

line

)

The function returns the A parameter of the line.

Parameters

[in]

line

The LineSP

Returns

the A parameter

See also

get

float8 getb

(

linesp

line

)

The function returns the B parameter of the line.

Parameters

[in]

line

The LineSP

Returns

the B parameter

See also

get

float8 getc

(

linesp

line

)

The function returns the C parameter of the line.

Parameters

[in]

line

The LineSP

Returns

the C parameter

See also

get

integer hash

(

linesp

line

)

linesp inlinesp

(

cstring

)

linesp linesp	(	float8	a,
		float8	b,
		float8	c
	)

The function creates a LineSP from 3 double precision numbers.

Parameters

[in]	A	the A parameter
[in]	B	the B parameter
[in]	C	the C parameter

Returns

LineSP

cstring outlinesp

(

linesp

)

linesp recvlinesp

(

internal

)

bytea send

(

linesp

)