vvysotskyi commented on a change in pull request #1886: DRILL-7273: Introduce operators for handling metadata URL: https://github.com/apache/drill/pull/1886#discussion_r344199861
########## File path: exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/MetastoreAnalyzeTableHandler.java ########## @@ -0,0 +1,518 @@ +/* + * 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.drill.exec.planner.sql.handlers; + +import org.apache.calcite.rel.RelNode; +import org.apache.calcite.rel.core.TableScan; +import org.apache.calcite.rel.type.RelDataType; +import org.apache.calcite.schema.Table; +import org.apache.calcite.sql.SqlCharStringLiteral; +import org.apache.calcite.sql.SqlIdentifier; +import org.apache.calcite.sql.SqlNode; +import org.apache.calcite.sql.SqlNodeList; +import org.apache.calcite.sql.SqlNumericLiteral; +import org.apache.calcite.sql.SqlSelect; +import org.apache.calcite.sql.parser.SqlParserPos; +import org.apache.calcite.tools.RelBuilder; +import org.apache.calcite.tools.RelConversionException; +import org.apache.calcite.tools.ValidationException; +import org.apache.drill.common.exceptions.UserException; +import org.apache.drill.common.expression.FieldReference; +import org.apache.drill.common.expression.SchemaPath; +import org.apache.drill.common.logical.data.NamedExpression; +import org.apache.drill.common.util.function.CheckedSupplier; +import org.apache.drill.exec.ExecConstants; +import org.apache.drill.exec.metastore.analyze.AnalyzeInfoProvider; +import org.apache.drill.exec.metastore.analyze.MetadataAggregateContext; +import org.apache.drill.exec.metastore.analyze.MetadataControllerContext; +import org.apache.drill.exec.metastore.analyze.MetadataHandlerContext; +import org.apache.drill.exec.metastore.analyze.MetadataInfoCollector; +import org.apache.drill.exec.metastore.analyze.MetastoreAnalyzeConstants; +import org.apache.drill.exec.metastore.analyze.TableType; +import org.apache.drill.exec.physical.PhysicalPlan; +import org.apache.drill.exec.physical.base.PhysicalOperator; +import org.apache.drill.exec.planner.logical.DrillAnalyzeRel; +import org.apache.drill.exec.planner.logical.DrillRel; +import org.apache.drill.exec.planner.logical.DrillScreenRel; +import org.apache.drill.exec.planner.logical.DrillTable; +import org.apache.drill.exec.planner.logical.MetadataAggRel; +import org.apache.drill.exec.planner.logical.MetadataControllerRel; +import org.apache.drill.exec.planner.logical.MetadataHandlerRel; +import org.apache.drill.exec.planner.physical.PlannerSettings; +import org.apache.drill.exec.planner.physical.Prel; +import org.apache.drill.exec.planner.sql.SchemaUtilites; +import org.apache.drill.exec.planner.sql.parser.SqlMetastoreAnalyzeTable; +import org.apache.drill.exec.store.AbstractSchema; +import org.apache.drill.exec.store.dfs.FormatSelection; +import org.apache.drill.exec.util.Pointer; +import org.apache.drill.exec.work.foreman.ForemanSetupException; +import org.apache.drill.exec.work.foreman.SqlUnsupportedException; +import org.apache.drill.metastore.components.tables.BasicTablesRequests; +import org.apache.drill.metastore.components.tables.MetastoreTableInfo; +import org.apache.drill.metastore.metadata.MetadataInfo; +import org.apache.drill.metastore.metadata.MetadataType; +import org.apache.drill.metastore.metadata.TableInfo; +import org.apache.drill.shaded.guava.com.google.common.collect.ArrayListMultimap; +import org.apache.drill.shaded.guava.com.google.common.collect.Multimap; +import org.apache.parquet.Strings; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.stream.Collectors; + +import static org.apache.drill.exec.planner.logical.DrillRelFactories.LOGICAL_BUILDER; + +/** + * Constructs plan to be executed for collecting metadata and storing it to the metastore. + */ +public class MetastoreAnalyzeTableHandler extends DefaultSqlHandler { + private static final Logger logger = LoggerFactory.getLogger(MetastoreAnalyzeTableHandler.class); + + public MetastoreAnalyzeTableHandler(SqlHandlerConfig config, Pointer<String> textPlan) { + super(config, textPlan); + } + + @Override + public PhysicalPlan getPlan(SqlNode sqlNode) + throws ValidationException, RelConversionException, IOException, ForemanSetupException { + if (!context.getOptions().getOption(ExecConstants.METASTORE_ENABLED_VALIDATOR)) { + throw UserException.validationError() + .message("Running ANALYZE TABLE REFRESH METADATA command when metastore is disabled") + .build(logger); + } + try { + // disables during analyze to prevent using locations from the metastore + context.getOptions().setLocalOption(ExecConstants.METASTORE_ENABLED, false); + SqlMetastoreAnalyzeTable sqlAnalyzeTable = unwrap(sqlNode, SqlMetastoreAnalyzeTable.class); + + AbstractSchema drillSchema = SchemaUtilites.resolveToDrillSchema( + config.getConverter().getDefaultSchema(), sqlAnalyzeTable.getSchemaPath()); + DrillTable table = getDrillTable(drillSchema, sqlAnalyzeTable.getName()); + + AnalyzeInfoProvider analyzeInfoProvider = AnalyzeInfoProvider.getAnalyzeInfoProvider(TableType.getTableType(table.getGroupScan())); + + SqlIdentifier tableIdentifier = sqlAnalyzeTable.getTableIdentifier(); + SqlSelect scanSql = new SqlSelect( + SqlParserPos.ZERO, + SqlNodeList.EMPTY, + getColumnList(sqlAnalyzeTable, analyzeInfoProvider), + tableIdentifier, + null, + null, + null, + null, + null, + null, + null + ); + + ConvertedRelNode convertedRelNode = validateAndConvert(rewrite(scanSql)); + RelDataType validatedRowType = convertedRelNode.getValidatedRowType(); + + RelNode relScan = convertedRelNode.getConvertedNode(); + + DrillRel drel = convertToDrel(relScan, drillSchema, table, sqlAnalyzeTable); + + Prel prel = convertToPrel(drel, validatedRowType); + logAndSetTextPlan("Drill Physical", prel, logger); + PhysicalOperator pop = convertToPop(prel); + PhysicalPlan plan = convertToPlan(pop); + log("Drill Plan", plan, logger); + return plan; + } finally { + context.getOptions().setLocalOption(ExecConstants.METASTORE_ENABLED, true); Review comment: No, it is not required, thanks, removed it. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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