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 * 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
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package org.netbeans.modules.db.sql.visualeditor.querymodel;

// The most basic Expression interface.
// I.e., it represents both a boolean expression, a simple predicate and a literal
// This is the most common type to talk to expressions
// The methods provided here are mostly helpers for the editor and are used internally so they may disappear from here at some point
// Usually a type test (instanceof) with a more derived interface (And, ExpressionList, etc.) defines the kind of expression
public interface Expression extends QueryItem {
    public Expression findExpression(String table1, String column1, String table2, String column2);
    public boolean isParameterized();
    public void renameTableSpec(String oldTableSpec, String corrName);
}
