/*
* Licensed 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 com.facebook.presto.hive;
import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.session.PropertyMetadata;
import com.google.common.collect.ImmutableList;
import io.airlift.units.DataSize;
import javax.inject.Inject;
import java.util.List;
import static com.facebook.presto.spi.session.PropertyMetadata.booleanSessionProperty;
import static com.facebook.presto.spi.type.VarcharType.createUnboundedVarcharType;
public final class HiveSessionProperties
{
private static final String BUCKET_EXECUTION_ENABLED = "bucket_execution_enabled";
private static final String FORCE_LOCAL_SCHEDULING = "force_local_scheduling";
private static final String ORC_BLOOM_FILTERS_ENABLED = "orc_bloom_filters_enabled";
private static final String ORC_MAX_MERGE_DISTANCE = "orc_max_merge_distance";
private static final String ORC_MAX_BUFFER_SIZE = "orc_max_buffer_size";
private static final String ORC_STREAM_BUFFER_SIZE = "orc_stream_buffer_size";
private static final String PARQUET_PREDICATE_PUSHDOWN_ENABLED = "parquet_predicate_pushdown_enabled";
private static final String PARQUET_OPTIMIZED_READER_ENABLED = "parquet_optimized_reader_enabled";
private static final String MAX_SPLIT_SIZE = "max_split_size";
private static final String MAX_INITIAL_SPLIT_SIZE = "max_initial_split_size";
private static final String RCFILE_OPTIMIZED_READER_ENABLED = "rcfile_optimized_reader_enabled";
private static final String RCFILE_OPTIMIZED_WRITER_ENABLED = "rcfile_optimized_writer_enabled";
private static final String RCFILE_OPTIMIZED_WRITER_VALIDATE = "rcfile_optimized_writer_validate";
private final List<PropertyMetadata<?>> sessionProperties;
@Inject
public HiveSessionProperties(HiveClientConfig config)
{
sessionProperties = ImmutableList.of(
booleanSessionProperty(
BUCKET_EXECUTION_ENABLED,
"Enable bucket-aware execution: only use a single worker per bucket",
config.isBucketExecutionEnabled(),
false),
booleanSessionProperty(
FORCE_LOCAL_SCHEDULING,
"Only schedule splits on workers colocated with data node",
config.isForceLocalScheduling(),
false),
booleanSessionProperty(
ORC_BLOOM_FILTERS_ENABLED,
"ORC: Enable bloom filters for predicate pushdown",
config.isOrcBloomFiltersEnabled(),
false),
dataSizeSessionProperty(
ORC_MAX_MERGE_DISTANCE,
"ORC: Maximum size of gap between two reads to merge into a single read",
config.getOrcMaxMergeDistance(),
false),
dataSizeSessionProperty(
ORC_MAX_BUFFER_SIZE,
"ORC: Maximum size of a single read",
config.getOrcMaxBufferSize(),
false),
dataSizeSessionProperty(
ORC_STREAM_BUFFER_SIZE,
"ORC: Size of buffer for streaming reads",
config.getOrcStreamBufferSize(),
false),
booleanSessionProperty(
PARQUET_OPTIMIZED_READER_ENABLED,
"Experimental: Parquet: Enable optimized reader",
config.isParquetOptimizedReaderEnabled(),
false),
booleanSessionProperty(
PARQUET_PREDICATE_PUSHDOWN_ENABLED,
"Experimental: Parquet: Enable predicate pushdown for Parquet",
config.isParquetPredicatePushdownEnabled(),
false),
dataSizeSessionProperty(
MAX_SPLIT_SIZE,
"Max split size",
config.getMaxSplitSize(),
true),
dataSizeSessionProperty(
MAX_INITIAL_SPLIT_SIZE,
"Max initial split size",
config.getMaxInitialSplitSize(),
true),
booleanSessionProperty(
RCFILE_OPTIMIZED_READER_ENABLED,
"Experimental: RCFile: Enable optimized reader",
config.isRcfileOptimizedReaderEnabled(),
false),
booleanSessionProperty(
RCFILE_OPTIMIZED_WRITER_ENABLED,
"Experimental: RCFile: Enable optimized writer",
config.isRcfileOptimizedWriterEnabled(),
false),
booleanSessionProperty(
RCFILE_OPTIMIZED_WRITER_VALIDATE,
"Experimental: RCFile: Validate writer files",
true,
false));
}
public List<PropertyMetadata<?>> getSessionProperties()
{
return sessionProperties;
}
public static boolean isBucketExecutionEnabled(ConnectorSession session)
{
return session.getProperty(BUCKET_EXECUTION_ENABLED, Boolean.class);
}
public static boolean isForceLocalScheduling(ConnectorSession session)
{
return session.getProperty(FORCE_LOCAL_SCHEDULING, Boolean.class);
}
public static boolean isParquetOptimizedReaderEnabled(ConnectorSession session)
{
return session.getProperty(PARQUET_OPTIMIZED_READER_ENABLED, Boolean.class);
}
public static boolean isOrcBloomFiltersEnabled(ConnectorSession session)
{
return session.getProperty(ORC_BLOOM_FILTERS_ENABLED, Boolean.class);
}
public static DataSize getOrcMaxMergeDistance(ConnectorSession session)
{
return session.getProperty(ORC_MAX_MERGE_DISTANCE, DataSize.class);
}
public static DataSize getOrcMaxBufferSize(ConnectorSession session)
{
return session.getProperty(ORC_MAX_BUFFER_SIZE, DataSize.class);
}
public static DataSize getOrcStreamBufferSize(ConnectorSession session)
{
return session.getProperty(ORC_STREAM_BUFFER_SIZE, DataSize.class);
}
public static boolean isParquetPredicatePushdownEnabled(ConnectorSession session)
{
return session.getProperty(PARQUET_PREDICATE_PUSHDOWN_ENABLED, Boolean.class);
}
public static DataSize getMaxSplitSize(ConnectorSession session)
{
return session.getProperty(MAX_SPLIT_SIZE, DataSize.class);
}
public static DataSize getMaxInitialSplitSize(ConnectorSession session)
{
return session.getProperty(MAX_INITIAL_SPLIT_SIZE, DataSize.class);
}
public static boolean isRcfileOptimizedReaderEnabled(ConnectorSession session)
{
return session.getProperty(RCFILE_OPTIMIZED_READER_ENABLED, Boolean.class);
}
public static boolean isRcfileOptimizedWriterEnabled(ConnectorSession session)
{
return session.getProperty(RCFILE_OPTIMIZED_WRITER_ENABLED, Boolean.class);
}
public static boolean isRcfileOptimizedWriterValidate(ConnectorSession session)
{
return session.getProperty(RCFILE_OPTIMIZED_WRITER_VALIDATE, Boolean.class);
}
public static PropertyMetadata<DataSize> dataSizeSessionProperty(String name, String description, DataSize defaultValue, boolean hidden)
{
return new PropertyMetadata<>(
name,
description,
createUnboundedVarcharType(),
DataSize.class,
defaultValue,
hidden,
value -> DataSize.valueOf((String) value),
DataSize::toString);
}
}