StatementBase.java

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// Copyright 2012 Cloudera 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.cloudera.impala.analysis;

import com.cloudera.impala.common.AnalysisException;

abstract class StatementBase implements ParseNode {
  // True if this Stmt is the top level of an explain stmt.
  protected boolean isExplain_ = false;

  public void analyze(Analyzer analyzer) throws AnalysisException {
    if (isExplain_) analyzer.setIsExplain();
  }

  public String toSql() { return ""; }
  public void setIsExplain() { isExplain_ = true; }
  public boolean isExplain() { return isExplain_; }
}