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[SEDONA-664] Add native GeoPackage reader (#1603)
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45 changes: 45 additions & 0 deletions
45
.../main/scala/org/apache/sedona/sql/datasources/geopackage/connection/FileSystemUtils.scala
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| /* | ||
| * 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 | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * 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.apache.sedona.sql.datasources.geopackage.connection | ||
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| import org.apache.hadoop.conf.Configuration | ||
| import org.apache.hadoop.fs.{FileSystem, Path} | ||
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| import java.io.File | ||
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| object FileSystemUtils { | ||
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| def copyToLocal(options: Configuration, file: Path): (File, Boolean) = { | ||
| if (isLocalFileSystem(options, file)) { | ||
| return (new File(file.toUri.getPath), false) | ||
| } | ||
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| val fs = file.getFileSystem(options) | ||
| val tempFile = File.createTempFile(java.util.UUID.randomUUID.toString, ".gpkg") | ||
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| fs.copyToLocalFile(file, new Path(tempFile.getAbsolutePath)) | ||
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| (tempFile, true) | ||
| } | ||
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| private def isLocalFileSystem(conf: Configuration, path: Path): Boolean = { | ||
| FileSystem.get(path.toUri, conf).isInstanceOf[org.apache.hadoop.fs.LocalFileSystem] | ||
| } | ||
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| } |
146 changes: 146 additions & 0 deletions
146
...org/apache/sedona/sql/datasources/geopackage/connection/GeoPackageConnectionManager.scala
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| /* | ||
| * 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 | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * 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.apache.sedona.sql.datasources.geopackage.connection | ||
|
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| import org.apache.sedona.sql.datasources.geopackage.model.{GeoPackageField, TableType, TileMatrix, TileMetadata} | ||
| import org.apache.sedona.sql.datasources.geopackage.model.TableType.TableType | ||
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| import java.sql.{Connection, DriverManager, ResultSet, Statement} | ||
| import scala.collection.mutable | ||
| import scala.collection.mutable.ArrayBuffer | ||
|
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| object GeoPackageConnectionManager { | ||
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| def createStatement(file: String): Statement = { | ||
| val conn = DriverManager.getConnection("jdbc:sqlite:" + file) | ||
| conn.createStatement() | ||
| } | ||
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| def closeStatement(st: Statement): Unit = { | ||
| st.close() | ||
| } | ||
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| def getTableCursor(path: String, tableName: String): ResultSet = { | ||
| val conn: Connection = | ||
| DriverManager.getConnection("jdbc:sqlite:" + path) | ||
| val stmt: Statement = conn.createStatement() | ||
| stmt.executeQuery(s"SELECT * FROM ${tableName}") | ||
| } | ||
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| def getSchema(file: String, tableName: String): Seq[GeoPackageField] = { | ||
| val statement = createStatement(file) | ||
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| try { | ||
| val rs = statement.executeQuery(s"PRAGMA table_info($tableName)") | ||
| val fields = ArrayBuffer.empty[GeoPackageField] | ||
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| while (rs.next) { | ||
| val columnName = rs.getString("name") | ||
| val columnType = rs.getString("type") | ||
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| fields += GeoPackageField(columnName, columnType, true) | ||
| } | ||
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| fields.toSeq | ||
| } finally { | ||
| closeStatement(statement) | ||
| } | ||
| } | ||
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| def findFeatureMetadata(file: String, tableName: String): TableType = { | ||
| val statement = createStatement(file) | ||
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| val rs = | ||
| statement.executeQuery(s"select * from gpkg_contents where table_name = '$tableName'") | ||
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| try { | ||
| rs.getString("data_type") match { | ||
| case "features" => TableType.FEATURES | ||
| case "tiles" => TableType.TILES | ||
| case _ => TableType.UNKNOWN | ||
| } | ||
| } finally { | ||
| rs.close() | ||
| closeStatement(statement) | ||
| } | ||
| } | ||
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| def getZoomLevelData(file: String, tableName: String): mutable.HashMap[Int, TileMatrix] = { | ||
| val stmt = createStatement(file) | ||
| val rs = | ||
| stmt.executeQuery(f"select * from gpkg_tile_matrix where table_name = '${tableName}'") | ||
| val result: mutable.HashMap[Int, TileMatrix] = mutable.HashMap() | ||
|
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| try { | ||
| while (rs.next()) { | ||
| val zoom_level = rs.getInt("zoom_level") | ||
| val matrix_width = rs.getInt("matrix_width") | ||
| val matrix_height = rs.getInt("matrix_height") | ||
| val tile_width = rs.getInt("tile_width") | ||
| val tile_height = rs.getInt("tile_height") | ||
| val pixel_x_size = rs.getDouble("pixel_x_size") | ||
| val pixel_y_size = rs.getDouble("pixel_y_size") | ||
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| result(zoom_level) = TileMatrix( | ||
| zoom_level, | ||
| matrix_width, | ||
| matrix_height, | ||
| tile_width, | ||
| tile_height, | ||
| pixel_x_size, | ||
| pixel_y_size) | ||
| } | ||
| } finally { | ||
| rs.close() | ||
| closeStatement(stmt) | ||
| } | ||
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| result | ||
| } | ||
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| def findTilesMetadata(file: String, tableName: String): TileMetadata = { | ||
| val statement = createStatement(file) | ||
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| val rs = statement.executeQuery( | ||
| s"select * from gpkg_tile_matrix_set where table_name = '$tableName'") | ||
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| try { | ||
| val minX = rs.getDouble("min_x") | ||
| val minY = rs.getDouble("min_y") | ||
| val maxX = rs.getDouble("max_x") | ||
| val maxY = rs.getDouble("max_y") | ||
| val srsID = rs.getInt("srs_id") | ||
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| val getZoomLevelData = GeoPackageConnectionManager.getZoomLevelData(file, tableName) | ||
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| TileMetadata( | ||
| tableName = tableName, | ||
| minX = minX, | ||
| minY = minY, | ||
| maxX = maxX, | ||
| maxY = maxY, | ||
| srsID = srsID, | ||
| zoomLevelMetadata = getZoomLevelData, | ||
| tileRowMetadata = null) | ||
| } finally { | ||
| rs.close() | ||
| closeStatement(statement) | ||
| } | ||
| } | ||
| } |
25 changes: 25 additions & 0 deletions
25
.../main/scala/org/apache/sedona/sql/datasources/geopackage/errors/GeopackageException.scala
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| @@ -0,0 +1,25 @@ | ||
| /* | ||
| * 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 | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * 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.apache.sedona.sql.datasources.geopackage.errors | ||
|
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| class GeopackageException extends Exception { | ||
| def this(message: String) { | ||
| this() | ||
| } | ||
| } |
21 changes: 21 additions & 0 deletions
21
...k/common/src/main/scala/org/apache/sedona/sql/datasources/geopackage/model/Envelope.scala
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| @@ -0,0 +1,21 @@ | ||
| /* | ||
| * 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 | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * 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.apache.sedona.sql.datasources.geopackage.model | ||
|
|
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| case class Envelope(minX: Double, minY: Double, maxX: Double, maxY: Double) |
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