qidaye commented on a change in pull request #6569: URL: https://github.com/apache/incubator-doris/pull/6569#discussion_r745402643
########## File path: fe/fe-core/src/main/java/org/apache/doris/planner/HiveScanNode.java ########## @@ -0,0 +1,186 @@ +// 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.doris.planner; + +import org.apache.doris.analysis.Analyzer; +import org.apache.doris.analysis.Expr; +import org.apache.doris.analysis.ImportColumnDesc; +import org.apache.doris.analysis.TupleDescriptor; +import org.apache.doris.catalog.HiveMetaStoreClientHelper; +import org.apache.doris.catalog.HiveTable; +import org.apache.doris.common.DdlException; +import org.apache.doris.common.UserException; +import org.apache.doris.thrift.TBrokerFileStatus; +import org.apache.doris.thrift.TExplainLevel; + +import org.apache.hadoop.hive.metastore.api.FieldSchema; +import org.apache.hadoop.hive.metastore.api.Table; +import org.apache.hadoop.hive.ql.plan.ExprNodeDesc; +import org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc; +import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; + +import com.google.common.base.Strings; + +import java.util.ArrayList; +import java.util.List; +import java.util.ListIterator; +import java.util.Map; + +public class HiveScanNode extends BrokerScanNode{ + private static final Logger LOG = LogManager.getLogger(HiveScanNode.class); + + private static final String HIVE_DEFAULT_COLUMN_SEPARATOR = "\001"; + private static final String HIVE_DEFAULT_LINE_DELIMITER = "\n"; + + private HiveTable hiveTable; + // partition column predicates of hive table + private List<ExprNodeDesc> hivePredicates = new ArrayList<>(); + private ExprNodeGenericFuncDesc hivePartitionPredicate; + private List<ImportColumnDesc> parsedColumnExprList = new ArrayList<>(); + private String hdfsUri; + + private Table remoteHiveTable; + + /* hive table properties */ + private String columnSeparator; + private String lineDelimiter; + private String fileFormat; + private String path; + private List<String> partitionKeys = new ArrayList<>(); + /* hive table properties */ + + public String getHdfsUri() { + return hdfsUri; + } + + public List<ImportColumnDesc> getParsedColumnExprList() { + return parsedColumnExprList; + } + + public String getColumnSeparator() { + return columnSeparator; + } + + public String getLineDelimiter() { + return lineDelimiter; + } + + public String getFileFormat() { + return fileFormat; + } + + public String getPath() { + return path; + } + + public List<String> getPartitionKeys() { + return partitionKeys; + } + + public HiveScanNode(PlanNodeId id, TupleDescriptor destTupleDesc, String planNodeName, + List<List<TBrokerFileStatus>> fileStatusesList, int filesAdded) { + super(id, destTupleDesc, planNodeName, fileStatusesList, filesAdded); + this.hiveTable = (HiveTable) destTupleDesc.getTable(); + } + + @Override + public void init(Analyzer analyzer) throws UserException { + initHiveTblProperties(); + if (partitionKeys.size() > 0) { + extractHivePartitionPredicate(analyzer); + } + analyzeColumnFromPath(); + super.init(analyzer); Review comment: Refactored -- 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]
