com.qubole.quark.planner.QuarkTileTable Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of quark-optimizer Show documentation
There is a newer version: 6.0.3
/*
 * Copyright (c) 2015. Qubole Inc
 * 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.qubole.quark.planner;

import org.apache.calcite.linq4j.Enumerable;
import org.apache.calcite.linq4j.QueryProvider;
import org.apache.calcite.linq4j.Queryable;
import org.apache.calcite.linq4j.tree.Expression;
import org.apache.calcite.plan.RelOptTable;
import org.apache.calcite.prepare.CalciteCatalogReader;
import org.apache.calcite.prepare.RelOptTableImpl;
import org.apache.calcite.rel.RelNode;
import org.apache.calcite.rel.type.RelDataType;
import org.apache.calcite.rel.type.RelDataTypeFactory;
import org.apache.calcite.schema.Path;
import org.apache.calcite.schema.QueryableTable;
import org.apache.calcite.schema.SchemaPlus;
import org.apache.calcite.schema.Schemas;
import org.apache.calcite.schema.Statistic;
import org.apache.calcite.schema.Statistics;
import org.apache.calcite.schema.TranslatableTable;
import org.apache.calcite.schema.impl.AbstractTable;
import org.apache.calcite.util.ImmutableBitSet;

import com.google.common.collect.ImmutableList;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.lang.reflect.Type;

/**
 * Created by rajatv on 6/22/15.
 */
public class QuarkTileTable extends AbstractTable
    implements QueryableTable, TranslatableTable {
  protected static final Logger LOG = LoggerFactory.getLogger(QuarkTable.class);

  protected final QuarkTable backingTable;
  protected final RelOptTable relOptTable;
  protected final QuarkTile quarkTile;

  public QuarkTileTable(QuarkTile quarkTile, CalciteCatalogReader calciteCatalogReader,
                        RelDataType relDataType, Path path, QuarkTable backingTable) {
    this.quarkTile = quarkTile;
    this.backingTable = backingTable;
    this.relOptTable = RelOptTableImpl.create(
        calciteCatalogReader,
        relDataType,
        this,
        path);
  }

  public QuarkTileTable(QuarkTile quarkTile, RelOptTable relOptTable, QuarkTable backingTable) {
    this.quarkTile = quarkTile;
    this.backingTable = backingTable;
    this.relOptTable = relOptTable;
  }

  /**
   * Returns an enumerable over a given projection of the fields.
   *
   * Called from generated code.
   */
  public Enumerable