org.apache.calcite.adapter.file.FileRules Maven / Gradle / Ivy
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Calcite provider that reads files and URIs
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.apache.calcite.adapter.file;
/** Planner rules relating to the File adapter. */
public abstract class FileRules {
private FileRules() {}
/** Rule that matches a {@link org.apache.calcite.rel.core.Project} on
* a {@link CsvTableScan} and pushes down projects if possible. */
public static final CsvProjectTableScanRule PROJECT_SCAN =
CsvProjectTableScanRule.Config.DEFAULT.toRule();
}