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Druid SQL

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/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets 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 io.druid.sql.calcite.view;

import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableList;
import io.druid.sql.calcite.planner.DruidPlanner;
import io.druid.sql.calcite.planner.PlannerFactory;
import io.druid.sql.calcite.schema.DruidSchema;
import org.apache.calcite.rel.type.RelDataType;
import org.apache.calcite.rel.type.RelDataTypeImpl;
import org.apache.calcite.schema.FunctionParameter;
import org.apache.calcite.schema.TableMacro;
import org.apache.calcite.schema.TranslatableTable;
import org.apache.calcite.schema.impl.ViewTable;

import java.util.List;

public class DruidViewMacro implements TableMacro
{
  private final PlannerFactory plannerFactory;
  private final String viewSql;

  public DruidViewMacro(final PlannerFactory plannerFactory, final String viewSql)
  {
    this.plannerFactory = plannerFactory;
    this.viewSql = viewSql;
  }

  @Override
  public TranslatableTable apply(final List