drill-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From GitBox <...@apache.org>
Subject [GitHub] [drill] vvysotskyi commented on a change in pull request #1886: DRILL-7273: Introduce operators for handling metadata
Date Mon, 11 Nov 2019 15:14:39 GMT
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.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

Mime
View raw message