/*
 *    Copyright 2018 University of Michigan
 *
 *    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 org.verdictdb.sqlsyntax;

import java.util.ArrayList;
import java.util.List;

import com.google.common.base.Joiner;

/** Created by Dong Young Yoon on 10/12/18. */
public class PrestoHiveSyntax extends PrestoSyntax {
  @Override
  public boolean doesSupportTablePartitioning() {
    return true;
  }

  @Override
  public String getPartitionByInCreateTable(
      List<String> partitionColumns, List<Integer> partitionCounts) {
    List<String> quotedColumns = new ArrayList<>();
    for (String column : partitionColumns) {
      quotedColumns.add("'" + column + "'");
    }

    return "partitioned_by = ARRAY[" + Joiner.on(",").join(quotedColumns) + "]";
  }
}
