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Merge pull request #50 from sheinbergon/dev-24.0.x
Back port new functionality to 24.0.x
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55 changes: 55 additions & 0 deletions
55
src/main/java/org/sheinbergon/dremio/udf/gis/STGeomFromGeoJson.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * <p> | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p> | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.sheinbergon.dremio.udf.gis; | ||
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| import com.dremio.exec.expr.SimpleFunction; | ||
| import com.dremio.exec.expr.annotations.FunctionTemplate; | ||
| import com.dremio.exec.expr.annotations.Output; | ||
| import com.dremio.exec.expr.annotations.Param; | ||
|
|
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| import javax.inject.Inject; | ||
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| @FunctionTemplate( | ||
| name = "ST_GeomFromGeoJSON", | ||
| scope = FunctionTemplate.FunctionScope.SIMPLE, | ||
| nulls = FunctionTemplate.NullHandling.INTERNAL) | ||
| public class STGeomFromGeoJson implements SimpleFunction { | ||
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| @Param | ||
| org.apache.arrow.vector.holders.NullableVarCharHolder jsonInput; | ||
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| @Output | ||
| org.apache.arrow.vector.holders.NullableVarBinaryHolder binaryOutput; | ||
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| @Inject | ||
| org.apache.arrow.memory.ArrowBuf buffer; | ||
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| public void setup() { | ||
| } | ||
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| public void eval() { | ||
| if (org.sheinbergon.dremio.udf.gis.util.GeometryHelpers.isHolderSet(jsonInput)) { | ||
| org.locationtech.jts.geom.Geometry geom = org.sheinbergon.dremio.udf.gis.util.GeometryHelpers.toGeometryFromGeoJson(jsonInput); | ||
| byte[] bytes = org.sheinbergon.dremio.udf.gis.util.GeometryHelpers.toEWKB(geom); | ||
| buffer = buffer.reallocIfNeeded(bytes.length); | ||
| org.sheinbergon.dremio.udf.gis.util.GeometryHelpers.populate(bytes, buffer, binaryOutput); | ||
| } else { | ||
| org.sheinbergon.dremio.udf.gis.util.GeometryHelpers.markHolderNotSet(binaryOutput); | ||
| } | ||
| } | ||
| } |
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37 changes: 37 additions & 0 deletions
37
src/test/kotlin/org/sheinbergon/dremio/udf/gis/STGeomFromGeoJsonTests.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package org.sheinbergon.dremio.udf.gis | ||
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| import org.apache.arrow.vector.holders.NullableVarBinaryHolder | ||
| import org.apache.arrow.vector.holders.NullableVarCharHolder | ||
| import org.sheinbergon.dremio.udf.gis.spec.GeometryInputFunSpec | ||
| import org.sheinbergon.dremio.udf.gis.util.allocateBuffer | ||
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| internal class STGeomFromGeoJsonTests : GeometryInputFunSpec.NullableVarChar<STGeomFromGeoJson>() { | ||
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| init { | ||
| testGeometryInput( | ||
| "Calling ST_GeomFromGeoJSON on a POINT", | ||
| """ | ||
| {"type":"Point","coordinates":[0.5,0.5],"crs":{"type":"name","properties":{"name":"EPSG:4326"}}} | ||
| """.trimIndent(), | ||
| byteArrayOf(1, 1, 0, 0, 32, -26, 16, 0, 0, 0, 0, 0, 0, 0, 0, -32, 63, 0, 0, 0, 0, 0, 0, -32, 63) | ||
| ) | ||
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| testInvalidGeometryInput( | ||
| "Calling ST_GeomFromGeoJSON on rubbish text", | ||
| "42ifon2 fA!@", | ||
| ) | ||
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| testNullGeometryInput( | ||
| "Calling ST_GeomFromGeoJSON on null input" | ||
| ) | ||
| } | ||
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| override val function = STGeomFromGeoJson().apply { | ||
| jsonInput = NullableVarCharHolder() | ||
| binaryOutput = NullableVarBinaryHolder() | ||
| buffer = allocateBuffer() | ||
| } | ||
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| override val STGeomFromGeoJson.input: NullableVarCharHolder get() = function.jsonInput | ||
| override val STGeomFromGeoJson.output: NullableVarBinaryHolder get() = function.binaryOutput | ||
| } |