Package org.apache.calcite.sql.fun

Class SqlSpatialTypeFunctions

java.lang.Object

org.apache.calcite.sql.fun.SqlSpatialTypeFunctions

public class SqlSpatialTypeFunctions
extends Object

Utilities for spatial type functions.

Includes some table functions, and may in future include other functions that have dependencies beyond the org.apache.calcite.runtime package.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SqlSpatialTypeFunctions.ExplodeTable	Returns the geometries of a geometry.
static class	SqlSpatialTypeFunctions.GridTable	Returns the points or rectangles in a grid that covers a given geometry.

Method Summary

Modifier and Type	Method	Description
static ScannableTable	ST_Explode(org.locationtech.jts.geom.Geometry geom)	Explodes the geom into multiple geometries.
static ScannableTable	ST_MakeGrid(org.locationtech.jts.geom.Geometry geom, BigDecimal deltaX, BigDecimal deltaY)	Calculates a regular grid of polygons based on geom.
static ScannableTable	ST_MakeGridPoints(org.locationtech.jts.geom.Geometry geom, BigDecimal deltaX, BigDecimal deltaY)	Calculates a regular grid of points based on geom.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

ST_Explode

public static ScannableTable ST_Explode(org.locationtech.jts.geom.Geometry geom)

Explodes the geom into multiple geometries.

See Also:

• ST_Explode

ST_MakeGrid

public static ScannableTable ST_MakeGrid(org.locationtech.jts.geom.Geometry geom,
 BigDecimal deltaX,
 BigDecimal deltaY)

Calculates a regular grid of polygons based on geom.

See Also:

• ST_MakeGrid

ST_MakeGridPoints

public static ScannableTable ST_MakeGridPoints(org.locationtech.jts.geom.Geometry geom,
 BigDecimal deltaX,
 BigDecimal deltaY)

Calculates a regular grid of points based on geom.

See Also:

• ST_MakeGridPoints