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/*
* 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.store.hive;
import com.fasterxml.jackson.annotation.JacksonInject;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeName;
import org.apache.drill.exec.store.parquet.ParquetReaderConfig;
import org.apache.drill.shaded.guava.com.google.common.base.Preconditions;
import org.apache.drill.common.exceptions.ExecutionSetupException;
import org.apache.drill.common.expression.LogicalExpression;
import org.apache.drill.common.expression.SchemaPath;
import org.apache.drill.exec.physical.base.PhysicalOperator;
import org.apache.drill.exec.proto.UserBitShared.CoreOperatorType;
import org.apache.drill.exec.store.StoragePluginRegistry;
import org.apache.drill.exec.store.parquet.AbstractParquetRowGroupScan;
import org.apache.drill.exec.store.parquet.RowGroupReadEntry;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.ql.io.parquet.ProjectionPusher;
import org.apache.hadoop.mapred.JobConf;
import java.io.IOException;
import java.util.List;
import java.util.Map;
@JsonTypeName("hive-drill-native-parquet-row-group-scan")
public class HiveDrillNativeParquetRowGroupScan extends AbstractParquetRowGroupScan {
private final HiveStoragePlugin hiveStoragePlugin;
private final HiveStoragePluginConfig hiveStoragePluginConfig;
private final HivePartitionHolder hivePartitionHolder;
private final Map<String, String> confProperties;
@JsonCreator
public HiveDrillNativeParquetRowGroupScan(@JacksonInject StoragePluginRegistry registry,
@JsonProperty("userName") String userName,
@JsonProperty("hiveStoragePluginConfig") HiveStoragePluginConfig hiveStoragePluginConfig,
@JsonProperty("rowGroupReadEntries") List<RowGroupReadEntry> rowGroupReadEntries,
@JsonProperty("columns") List<SchemaPath> columns,
@JsonProperty("hivePartitionHolder") HivePartitionHolder hivePartitionHolder,
@JsonProperty("confProperties") Map<String, String> confProperties,
@JsonProperty("readerConfig") ParquetReaderConfig readerConfig,
@JsonProperty("filter") LogicalExpression filter) throws ExecutionSetupException {
this(userName,
(HiveStoragePlugin) registry.getPlugin(hiveStoragePluginConfig),
rowGroupReadEntries,
columns,
hivePartitionHolder,
confProperties,
readerConfig,
filter);
}
public HiveDrillNativeParquetRowGroupScan(String userName,
HiveStoragePlugin hiveStoragePlugin,
List<RowGroupReadEntry> rowGroupReadEntries,
List<SchemaPath> columns,
HivePartitionHolder hivePartitionHolder,
Map<String, String> confProperties,
ParquetReaderConfig readerConfig,
LogicalExpression filter) {
super(userName, rowGroupReadEntries, columns, readerConfig, filter);
this.hiveStoragePlugin = Preconditions.checkNotNull(hiveStoragePlugin, "Could not find format config for the given configuration");
this.hiveStoragePluginConfig = hiveStoragePlugin.getConfig();
this.hivePartitionHolder = hivePartitionHolder;
this.confProperties = confProperties;
}
@JsonProperty
public HiveStoragePluginConfig getHiveStoragePluginConfig() {
return hiveStoragePluginConfig;
}
@JsonProperty
public HivePartitionHolder getHivePartitionHolder() {
return hivePartitionHolder;
}
@JsonProperty
public Map<String, String> getConfProperties() {
return confProperties;
}
@JsonIgnore
public HiveStoragePlugin getHiveStoragePlugin() {
return hiveStoragePlugin;
}
@Override
public PhysicalOperator getNewWithChildren(List<PhysicalOperator> children) {
Preconditions.checkArgument(children.isEmpty());
return new HiveDrillNativeParquetRowGroupScan(getUserName(), hiveStoragePlugin, rowGroupReadEntries, columns, hivePartitionHolder,
confProperties, readerConfig, filter);
}
@Override
public int getOperatorType() {
return CoreOperatorType.HIVE_DRILL_NATIVE_PARQUET_ROW_GROUP_SCAN_VALUE;
}
@Override
public AbstractParquetRowGroupScan copy(List<SchemaPath> columns) {
return new HiveDrillNativeParquetRowGroupScan(getUserName(), hiveStoragePlugin, rowGroupReadEntries, columns, hivePartitionHolder,
confProperties, readerConfig, filter);
}
@Override
public Configuration getFsConf(RowGroupReadEntry rowGroupReadEntry) throws IOException {
Path path = rowGroupReadEntry.getPath().getParent();
return new ProjectionPusher().pushProjectionsAndFilters(
new JobConf(HiveUtilities.generateHiveConf(hiveStoragePlugin.getHiveConf(), confProperties)),
path.getParent());
}
@Override
public boolean supportsFileImplicitColumns() {
return false;
}
@Override
public List<String> getPartitionValues(RowGroupReadEntry rowGroupReadEntry) {
return hivePartitionHolder.get(rowGroupReadEntry.getPath());
}
}
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