aokolnychyi commented on code in PR #10986: URL: https://github.com/apache/iceberg/pull/10986#discussion_r1851007400
########## spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/procedures/ComputeTableStatsProcedure.java: ########## @@ -0,0 +1,120 @@ +/* + * 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 org.apache.iceberg.StatisticsFile; +import org.apache.iceberg.Table; +import org.apache.iceberg.actions.ComputeTableStats; +import org.apache.iceberg.spark.actions.SparkActions; +import org.apache.iceberg.spark.procedures.SparkProcedures.ProcedureBuilder; +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; +import org.apache.spark.unsafe.types.UTF8String; + +/** + * A procedure that computes statistics of a table. + * + * @see SparkActions#computeTableStats(Table) + */ +public class ComputeTableStatsProcedure extends BaseProcedure { + + private static final ProcedureParameter TABLE_PARAM = + ProcedureParameter.required("table", DataTypes.StringType); + private static final ProcedureParameter SNAPSHOT_ID_PARAM = + ProcedureParameter.optional("snapshot_id", DataTypes.LongType); + private static final ProcedureParameter COLUMNS_PARAM = + ProcedureParameter.optional("columns", STRING_ARRAY); + + private static final ProcedureParameter[] PARAMETERS = + new ProcedureParameter[] {TABLE_PARAM, SNAPSHOT_ID_PARAM, COLUMNS_PARAM}; + + private static final StructType OUTPUT_TYPE = + new StructType( + new StructField[] { + new StructField("statistics_file", DataTypes.StringType, true, Metadata.empty()) + }); + + public static ProcedureBuilder builder() { + return new Builder<ComputeTableStatsProcedure>() { + @Override + protected ComputeTableStatsProcedure doBuild() { + return new ComputeTableStatsProcedure(tableCatalog()); + } + }; + } + + private ComputeTableStatsProcedure(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); + + Long snapshotId = input.asLong(SNAPSHOT_ID_PARAM, null); + String[] columns = input.asStringArray(COLUMNS_PARAM, null); + + return modifyIcebergTable( + tableIdent, + table -> { + ComputeTableStats action = actions().computeTableStats(table); + if (snapshotId != null) { Review Comment: What about an empty line before each `if` block to separate them? -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
