aokolnychyi commented on code in PR #7572: URL: https://github.com/apache/iceberg/pull/7572#discussion_r1194625864
########## spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/procedures/RewritePositionDeleteFilesProcedure.java: ########## @@ -0,0 +1,117 @@ +/* + * 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.iceberg.spark.procedures; + +import java.util.Map; +import org.apache.iceberg.Table; +import org.apache.iceberg.actions.RewritePositionDeleteFiles; +import org.apache.iceberg.actions.RewritePositionDeleteFiles.Result; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableMap; +import org.apache.spark.sql.catalyst.InternalRow; +import org.apache.spark.sql.connector.catalog.Identifier; +import org.apache.spark.sql.connector.catalog.TableCatalog; +import org.apache.spark.sql.connector.iceberg.catalog.ProcedureParameter; +import org.apache.spark.sql.types.DataTypes; +import org.apache.spark.sql.types.Metadata; +import org.apache.spark.sql.types.StructField; +import org.apache.spark.sql.types.StructType; + +/** + * A procedure that rewrites position delete files in a table. + * + * @see org.apache.iceberg.spark.actions.SparkActions#rewritePositionDeletes(Table) + */ +public class RewritePositionDeleteFilesProcedure extends BaseProcedure { + + private static final ProcedureParameter TABLE_PARAM = + ProcedureParameter.required("table", DataTypes.StringType); + private static final ProcedureParameter OPTIONS_PARAM = + ProcedureParameter.optional("options", STRING_MAP); + + private static final ProcedureParameter[] PARAMETERS = + new ProcedureParameter[] {TABLE_PARAM, OPTIONS_PARAM}; + + private static final StructType OUTPUT_TYPE = + new StructType( + new StructField[] { + new StructField( + "rewritten_delete_files_count", DataTypes.IntegerType, false, Metadata.empty()), + new StructField( + "added_delete_files_count", DataTypes.IntegerType, false, Metadata.empty()), + new StructField("rewritten_bytes_count", DataTypes.LongType, false, Metadata.empty()), + new StructField("added_bytes_count", DataTypes.LongType, false, Metadata.empty()) + }); + + public static SparkProcedures.ProcedureBuilder builder() { + return new Builder<RewritePositionDeleteFilesProcedure>() { + @Override + protected RewritePositionDeleteFilesProcedure doBuild() { + return new RewritePositionDeleteFilesProcedure(tableCatalog()); + } + }; + } + + private RewritePositionDeleteFilesProcedure(TableCatalog tableCatalog) { + super(tableCatalog); + } + + @Override + public ProcedureParameter[] parameters() { + return PARAMETERS; + } + + @Override + public StructType outputType() { + return OUTPUT_TYPE; + } + + @Override + public InternalRow[] call(InternalRow args) { + ProcedureInput input = new ProcedureInput(spark(), tableCatalog(), PARAMETERS, args); + Identifier tableIdent = input.ident(TABLE_PARAM); + Map<String, String> options = input.asStringMap(OPTIONS_PARAM, ImmutableMap.of()); + + return modifyIcebergTable( + tableIdent, + table -> { + RewritePositionDeleteFiles action = + actions().rewritePositionDeletes(table).options(options); + Result result = action.execute(); + + return toOutputRows(result); + }); + } + + private InternalRow[] toOutputRows(Result result) { Review Comment: Optional: Another way to write it. ``` private InternalRow toOutputRow(Result result) { return newInternalRow( result.rewrittenDeleteFilesCount(), result.rewrittenBytesCount(), result.addedDeleteFilesCount(), result.addedBytesCount()); } ``` ``` ... return new InternalRow[] {toOutputRow(result)}; ``` Up to you, though. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
