content: /*
   * Copyright 1999-2018 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;
  
  import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
  import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExprGroup;
  import com.alibaba.druid.sql.ast.expr.SQLBinaryOperator;
  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.parser.SQLParserFeature;
  import junit.framework.TestCase;
  
  public class LargeOrTest extends TestCase {
      public void test_largeOr() throws Exception {
          StringBuilder buf = new StringBuilder();
          buf.append("SELECT 1 FROM T WHERE ID = ?");
          for (int i = 0; i < 10000; ++i) {
              buf.append(" OR ID = ?");
          }
          String sql = buf.toString();
          OracleStatementParser parser = new OracleStatementParser(sql, SQLParserFeature.EnableSQLBinaryOpExprGroup);
          SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
          SQLSelectQueryBlock select = (SQLSelectQueryBlock) stmt.getSelect().getQuery();
          SQLBinaryOpExprGroup where = (SQLBinaryOpExprGroup) select.getWhere();
          SQLBinaryOpExpr last = (SQLBinaryOpExpr) where.getItems().get(0);
          assertEquals(SQLBinaryOperator.Equality, last.getOperator());
      }
  
      public void test_largeAnd() throws Exception {
          StringBuilder buf = new StringBuilder();
          buf.append("SELECT 1 FROM T WHERE ID = ?");
          for (int i = 0; i < 10000; ++i) {
              buf.append(" AND ID = ?");
          }
          String sql = buf.toString();
          OracleStatementParser parser = new OracleStatementParser(sql, SQLParserFeature.EnableSQLBinaryOpExprGroup);
          SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
          SQLSelectQueryBlock select = (SQLSelectQueryBlock) stmt.getSelect().getQuery();
          SQLBinaryOpExprGroup where = (SQLBinaryOpExprGroup) select.getWhere();
          SQLBinaryOpExpr last = (SQLBinaryOpExpr) where.getItems().get(0);
          assertEquals(SQLBinaryOperator.Equality, last.getOperator());
      }
  }
  