Examples with Description io.trino.spi.function.Description used on opensource projects

Example 21 with Description

use of io.trino.spi.function.Description in project trino by trinodb.

the class GeoFunctions method stInteriorRingN.

@SqlNullable
@Description("Returns the interior ring element at the specified index (indices start at 1)")
@ScalarFunction("ST_InteriorRingN")
@SqlType(GEOMETRY_TYPE_NAME)
public static Slice stInteriorRingN(@SqlType(GEOMETRY_TYPE_NAME) Slice input, @SqlType(INTEGER) long index) {
    OGCGeometry geometry = deserialize(input);
    validateType("ST_InteriorRingN", geometry, EnumSet.of(POLYGON));
    OGCPolygon polygon = (OGCPolygon) geometry;
    if (index < 1 || index > polygon.numInteriorRing()) {
        return null;
    }
    OGCGeometry interiorRing = polygon.interiorRingN(toIntExact(index) - 1);
    return serialize(interiorRing);
}

Example 22 with Description

use of io.trino.spi.function.Description in project trino by trinodb.

the class GeoFunctions method stDisjoint.

@SqlNullable
@Description("Returns TRUE if the Geometries do not spatially intersect - if they do not share any space together")
@ScalarFunction("ST_Disjoint")
@SqlType(BOOLEAN)
public static Boolean stDisjoint(@SqlType(GEOMETRY_TYPE_NAME) Slice left, @SqlType(GEOMETRY_TYPE_NAME) Slice right) {
    if (!envelopes(left, right, Envelope::intersect)) {
        return true;
    }
    OGCGeometry leftGeometry = deserialize(left);
    OGCGeometry rightGeometry = deserialize(right);
    verifySameSpatialReference(leftGeometry, rightGeometry);
    return leftGeometry.disjoint(rightGeometry);
}

Example 23 with Description

use of io.trino.spi.function.Description in project trino by trinodb.

the class GeoFunctions method stIsRing.

@SqlNullable
@Description("Returns TRUE if and only if the line is closed and simple")
@ScalarFunction("ST_IsRing")
@SqlType(BOOLEAN)
public static Boolean stIsRing(@SqlType(GEOMETRY_TYPE_NAME) Slice input) {
    OGCGeometry geometry = deserialize(input);
    validateType("ST_IsRing", geometry, EnumSet.of(LINE_STRING));
    OGCLineString line = (OGCLineString) geometry;
    return line.isClosed() && line.isSimple();
}

Example 24 with Description

use of io.trino.spi.function.Description in project trino by trinodb.

the class GeoFunctions method stPoints.

@SqlNullable
@Description("Returns an array of points in a geometry")
@ScalarFunction("ST_Points")
@SqlType("array(" + GEOMETRY_TYPE_NAME + ")")
public static Block stPoints(@SqlType(GEOMETRY_TYPE_NAME) Slice input) {
    Geometry geometry = JtsGeometrySerde.deserialize(input);
    validateType("ST_Points", geometry, VALID_TYPES_FOR_ST_POINTS);
    if (geometry.isEmpty()) {
        return null;
    }
    int pointCount = geometry.getNumPoints();
    BlockBuilder blockBuilder = GEOMETRY.createBlockBuilder(null, pointCount);
    buildPointsBlock(geometry, blockBuilder);
    return blockBuilder.build();
}

Example 25 with Description

use of io.trino.spi.function.Description in project trino by trinodb.

the class GeoFunctions method geometryFromHadoopShape.

@Description("Returns a Geometry type object from Spatial Framework for Hadoop representation")
@ScalarFunction("geometry_from_hadoop_shape")
@SqlType(GEOMETRY_TYPE_NAME)
public static Slice geometryFromHadoopShape(@SqlType(VARBINARY) Slice input) {
    requireNonNull(input, "input is null");
    try {
        OGCGeometry geometry = OGCGeometry.fromEsriShape(getShapeByteBuffer(input));
        String wkt = geometryToWkt(geometry.getEsriGeometry(), getWktExportFlags(input));
        return serialize(OGCGeometry.fromText(wkt));
    } catch (IndexOutOfBoundsException | UnsupportedOperationException | IllegalArgumentException e) {
        throw new TrinoException(INVALID_FUNCTION_ARGUMENT, "Invalid Hadoop shape", e);
    }
}