/*
    * 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.shardingsphere.sqlfederation.optimizer.context.parser.dialect.impl;
  
  import org.apache.calcite.config.CalciteConnectionProperty;
  import org.apache.calcite.config.Lex;
  import org.apache.calcite.sql.fun.SqlLibrary;
  import org.apache.calcite.sql.validate.SqlConformanceEnum;
  import org.apache.shardingsphere.sqlfederation.optimizer.context.parser.dialect.OptimizerSQLDialectBuilder;
  
  import java.util.Properties;
  
  /**
   * Optimizer properties builder for openGauss.
   */
  public final class OpenGaussOptimizerBuilder implements OptimizerSQLDialectBuilder {
      
      @Override
      public Properties build() {
          Properties result = new Properties();
          result.setProperty(CalciteConnectionProperty.LEX.camelName(), Lex.JAVA.name());
          result.setProperty(CalciteConnectionProperty.CONFORMANCE.camelName(), SqlConformanceEnum.BABEL.name());
          result.setProperty(CalciteConnectionProperty.FUN.camelName(), SqlLibrary.POSTGRESQL.fun);
          result.setProperty(CalciteConnectionProperty.CASE_SENSITIVE.camelName(), String.valueOf(false));
          return result;
      }
      
      @Override
      public String getDatabaseType() {
          return "openGauss";
      }
  }