org.apache.flink.table.planner.parse.ClearOperationParseStrategy Maven / Gradle / Ivy
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* 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
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* 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
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package org.apache.flink.table.planner.parse;
import org.apache.flink.table.operations.Operation;
import org.apache.flink.table.operations.command.ClearOperation;
import java.util.regex.Pattern;
/** Strategy to parse statement to {@link ClearOperation}. */
public class ClearOperationParseStrategy extends AbstractRegexParseStrategy {
static final ClearOperationParseStrategy INSTANCE = new ClearOperationParseStrategy();
private ClearOperationParseStrategy() {
super(Pattern.compile("CLEAR", DEFAULT_PATTERN_FLAGS));
}
@Override
public Operation convert(String statement) {
return new ClearOperation();
}
@Override
public String[] getHints() {
return new String[] {"CLEAR"};
}
}