All Downloads are FREE. Search and download functionalities are using the official Maven repository.

io.trino.plugin.hive.metastore.HivePageSinkMetadataProvider Maven / Gradle / Ivy

Go to download

This is a Databricks build of Trino's Hive plugin which includes support for HTTP based transport for it's Hive metastore thrift interface.

The newest version!
/*
 * 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 io.trino.plugin.hive.metastore;

import io.trino.plugin.hive.HiveMetastoreClosure;
import io.trino.spi.connector.SchemaTableName;

import java.util.List;
import java.util.Map;
import java.util.Optional;

import static java.lang.String.format;
import static java.util.Objects.requireNonNull;

public class HivePageSinkMetadataProvider
{
    private final HiveMetastoreClosure delegate;
    private final SchemaTableName schemaTableName;
    private final Optional table;
    private final Map, Optional> modifiedPartitions;

    public HivePageSinkMetadataProvider(HivePageSinkMetadata pageSinkMetadata, HiveMetastoreClosure delegate)
    {
        requireNonNull(pageSinkMetadata, "pageSinkMetadata is null");
        this.delegate = delegate;
        this.schemaTableName = pageSinkMetadata.getSchemaTableName();
        this.table = pageSinkMetadata.getTable();
        this.modifiedPartitions = pageSinkMetadata.getModifiedPartitions();
    }

    public Optional
 getTable()
    {
        return table;
    }

    public Optional getPartition(List partitionValues)
    {
        if (table.isEmpty() || table.get().getPartitionColumns().isEmpty()) {
            throw new IllegalArgumentException(
                    format("Unexpected call to getPartition. Table name: %s", schemaTableName));
        }
        Optional modifiedPartition = modifiedPartitions.get(partitionValues);
        if (modifiedPartition == null) {
            return delegate.getPartition(schemaTableName.getSchemaName(), schemaTableName.getTableName(), partitionValues);
        }
        return modifiedPartition;
    }
}
    

    

    

            

    

            



    
    






    
© 2015 - 2024 Weber Informatics LLC | Privacy Policy