Package io.trino.util

Class SpatialJoinUtils

java.lang.Object

io.trino.util.SpatialJoinUtils

public final class SpatialJoinUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ST_CONTAINS
static final String	ST_DISTANCE
static final String	ST_INTERSECTS
static final String	ST_WITHIN

Method Summary

Modifier and Type	Method	Description
static List<Comparison>	extractSupportedSpatialComparisons(Expression filterExpression)	Returns a subset of conjuncts matching one the following shapes: ST_Distance(...) <= ... ST_Distance(...) < ... ... >= ST_Distance(...) ... > ST_Distance(...)
static List<Call>	extractSupportedSpatialFunctions(Expression filterExpression)	Returns a subset of conjuncts matching one of the following shapes: - ST_Contains(...) - ST_Within(...) - ST_Intersects(...)

Methods inherited from class java.lang.Object

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

Field Details

ST_CONTAINS

public static final String ST_CONTAINS

See Also:

• Constant Field Values

ST_WITHIN

public static final String ST_WITHIN

See Also:

• Constant Field Values

ST_INTERSECTS

public static final String ST_INTERSECTS

See Also:

• Constant Field Values

ST_DISTANCE

public static final String ST_DISTANCE

See Also:

• Constant Field Values

Method Details

extractSupportedSpatialFunctions

public static List<Call> extractSupportedSpatialFunctions(Expression filterExpression)

Returns a subset of conjuncts matching one of the following shapes: - ST_Contains(...) - ST_Within(...) - ST_Intersects(...)

Doesn't check or guarantee anything about function arguments.

extractSupportedSpatialComparisons

public static List<Comparison> extractSupportedSpatialComparisons(Expression filterExpression)

Returns a subset of conjuncts matching one the following shapes:

• ST_Distance(...) <= ...
• ST_Distance(...) < ...
• ... >= ST_Distance(...)
• ... > ST_Distance(...)

Doesn't check or guarantee anything about ST_Distance functions arguments or the other side of the comparison.