content: /*
   * Copyright 1999-2017 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.alibaba.druid.bvt.sql.oracle.select;
  
  import com.alibaba.druid.sql.OracleTest;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
  import com.alibaba.druid.sql.ast.expr.SQLBinaryOperator;
  import com.alibaba.druid.sql.ast.statement.SQLSelect;
  import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
  import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
  import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
  import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
  import com.alibaba.druid.stat.TableStat;
  
  import java.util.List;
  
  public class OracleSelectTest36 extends OracleTest {
      public void test_0() throws Exception {
          String sql = //
                  "select ID,name from fastsql_test where (name>=? or name is null) and card_id<?";
  
          OracleStatementParser parser = new OracleStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLStatement stmt = statementList.get(0);
          print(statementList);
  
          String result = SQLUtils.toOracleString(stmt);
          String result_lcase = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
          assertEquals("SELECT ID, name"
                  + "\nFROM fastsql_test"
                  + "\nWHERE (name >= ?"
                  + "\n\t\tOR name IS NULL)"
                  + "\n\tAND card_id < ?", result);
  
          assertEquals("select ID, name"
                  + "\nfrom fastsql_test"
                  + "\nwhere (name >= ?"
                  + "\n\t\tor name is null)"
                  + "\n\tand card_id < ?", result_lcase);
  
          {
              SQLSelect select = ((SQLSelectStatement) stmt).getSelect();
              SQLSelectQueryBlock queryBlock = (SQLSelectQueryBlock) select.getQuery();
              SQLBinaryOpExpr where = (SQLBinaryOpExpr) queryBlock.getWhere();
              assertEquals(SQLBinaryOperator.BooleanAnd, where.getOperator());
  
              SQLBinaryOpExpr left = (SQLBinaryOpExpr) where.getLeft();
              assertEquals(SQLBinaryOperator.BooleanOr, left.getOperator());
  
              SQLBinaryOpExpr nameGTEQ = (SQLBinaryOpExpr) left.getLeft();
              assertEquals(SQLBinaryOperator.GreaterThanOrEqual, nameGTEQ.getOperator());
  
              SQLBinaryOpExpr nameIS = (SQLBinaryOpExpr) left.getRight();
              assertEquals(SQLBinaryOperator.Is, nameIS.getOperator());
          }
  
          assertEquals(1, statementList.size());
  
          OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
          stmt.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("coditions : " + visitor.getConditions());
          System.out.println("relationships : " + visitor.getRelationships());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(1, visitor.getTables().size());
  
          assertTrue(visitor.getTables().containsKey(new TableStat.Name("fastsql_test")));
  
          assertEquals(3, visitor.getColumns().size());
  
          assertTrue(visitor.getColumns().contains(new TableStat.Column("fastsql_test", "ID")));
          assertTrue(visitor.getColumns().contains(new TableStat.Column("fastsql_test", "name")));
          assertTrue(visitor.getColumns().contains(new TableStat.Column("fastsql_test", "card_id")));
  
          // assertTrue(visitor.getOrderByColumns().contains(new TableStat.Column("employees", "last_name")));
      }
  }
  