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SQL support for Querydsl

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/*
 * Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
 *
 * 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.querydsl.sql.oracle;

import com.querydsl.core.types.dsl.DateExpression;
import com.querydsl.core.types.dsl.Expressions;
import com.querydsl.core.types.dsl.NumberExpression;
import java.util.Date;

/**
 * Convenience functions and constants for Oracle DB usage
 *
 * @author tiwe
 */
public final class OracleGrammar {

  private OracleGrammar() {}

  public static final NumberExpression level =
      Expressions.numberTemplate(Integer.class, "level");

  public static final NumberExpression rownum =
      Expressions.numberTemplate(Integer.class, "rownum");

  public static final NumberExpression rowid =
      Expressions.numberTemplate(Integer.class, "rowid");

  public static final DateExpression sysdate =
      Expressions.dateTemplate(Date.class, "sysdate");
}