content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    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.aliyun.fastmodel.core.tree.util;
  
  import java.util.List;
  
  import com.aliyun.fastmodel.core.tree.QualifiedName;
  import com.aliyun.fastmodel.core.tree.expr.BaseExpression;
  import com.aliyun.fastmodel.core.tree.expr.ComparisonExpression;
  import com.aliyun.fastmodel.core.tree.expr.LogicalBinaryExpression;
  import com.aliyun.fastmodel.core.tree.expr.atom.TableOrColumn;
  import com.aliyun.fastmodel.core.tree.expr.enums.ComparisonOperator;
  import com.aliyun.fastmodel.core.tree.expr.enums.LogicalOperator;
  import com.aliyun.fastmodel.core.tree.expr.literal.LongLiteral;
  import com.aliyun.fastmodel.core.tree.expr.literal.StringLiteral;
  import org.junit.Test;
  
  /**
   * Desc:
   *
   * @author panguanjing
   * @date 2021/3/18
   */
  public class ExpressionUtilsTest {
  
      @Test
      public void testLogic() {
          LogicalBinaryExpression logicalBinaryExpression =
              new LogicalBinaryExpression(
                  LogicalOperator.AND,
                  new ComparisonExpression(
                      ComparisonOperator.EQUAL,
                      new TableOrColumn(QualifiedName.of("code")),
                      new StringLiteral("code")
                  ),
                  new ComparisonExpression(
                      ComparisonOperator.GREATER_THAN,
                      new TableOrColumn(QualifiedName.of("name")),
                      new LongLiteral("1")
                  )
              );
          List<BaseExpression> baseExpressions = ExpressionUtil.extractPredicates(logicalBinaryExpression);
          System.out.println(baseExpressions);
      }
  }
  