jackylk commented on a change in pull request #3641: [CARBONDATA-3737] support prestodb and prestosql URL: https://github.com/apache/carbondata/pull/3641#discussion_r392233873
########## File path: integration/presto/src/main/prestosql/org/apache/carbondata/presto/impl/CarbonTableReader.java ########## @@ -0,0 +1,416 @@ +/* + * 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.carbondata.presto.impl; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.atomic.AtomicReference; +import java.util.stream.Collectors; + +import org.apache.carbondata.common.logging.LogServiceFactory; +import org.apache.carbondata.core.constants.CarbonCommonConstants; +import org.apache.carbondata.core.datamap.DataMapFilter; +import org.apache.carbondata.core.datamap.DataMapStoreManager; +import org.apache.carbondata.core.datastore.filesystem.CarbonFile; +import org.apache.carbondata.core.datastore.impl.FileFactory; +import org.apache.carbondata.core.indexstore.PartitionSpec; +import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier; +import org.apache.carbondata.core.metadata.CarbonMetadata; +import org.apache.carbondata.core.metadata.SegmentFileStore; +import org.apache.carbondata.core.metadata.converter.SchemaConverter; +import org.apache.carbondata.core.metadata.converter.ThriftWrapperSchemaConverterImpl; +import org.apache.carbondata.core.metadata.schema.PartitionInfo; +import org.apache.carbondata.core.metadata.schema.partition.PartitionType; +import org.apache.carbondata.core.metadata.schema.table.CarbonTable; +import org.apache.carbondata.core.metadata.schema.table.TableInfo; +import org.apache.carbondata.core.reader.ThriftReader; +import org.apache.carbondata.core.scan.expression.Expression; +import org.apache.carbondata.core.statusmanager.FileFormat; +import org.apache.carbondata.core.statusmanager.LoadMetadataDetails; +import org.apache.carbondata.core.statusmanager.SegmentStatusManager; +import org.apache.carbondata.core.util.CarbonProperties; +import org.apache.carbondata.core.util.CarbonUtil; +import org.apache.carbondata.core.util.path.CarbonTablePath; +import org.apache.carbondata.hadoop.CarbonInputSplit; +import org.apache.carbondata.hadoop.api.CarbonInputFormat; +import org.apache.carbondata.hadoop.api.CarbonTableInputFormat; +import org.apache.carbondata.presto.PrestoFilterUtil; + +import com.google.gson.Gson; +import com.google.inject.Inject; +import io.prestosql.plugin.hive.HiveColumnHandle; +import io.prestosql.spi.connector.SchemaTableName; +import io.prestosql.spi.predicate.TupleDomain; +import org.apache.commons.collections.CollectionUtils; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.fs.PathFilter; +import org.apache.hadoop.mapred.JobConf; +import org.apache.hadoop.mapreduce.InputSplit; +import org.apache.hadoop.mapreduce.Job; +import org.apache.log4j.Logger; +import org.apache.thrift.TBase; + +import static org.apache.hadoop.fs.s3a.Constants.ACCESS_KEY; +import static org.apache.hadoop.fs.s3a.Constants.ENDPOINT; +import static org.apache.hadoop.fs.s3a.Constants.SECRET_KEY; + +/** + * CarbonTableReader will be a facade of these utils + * 1:CarbonMetadata,(logic table) + * 2:FileFactory, (physic table file) + * 3:CarbonCommonFactory, (offer some ) + * 4:DictionaryFactory, (parse dictionary util) + * Currently, it is mainly used to parse metadata of tables under + * the configured carbondata-store path and filter the relevant + * input splits with given query predicates. + */ +public class CarbonTableReader { + + // default PathFilter, accepts files in carbondata format (with .carbondata extension). + private static final PathFilter DefaultFilter = new PathFilter() { + @Override + public boolean accept(Path path) { + return CarbonTablePath.isCarbonDataFile(path.getName()); + } + }; + public CarbonTableConfig config; Review comment: add new line ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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