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.pl;
  
  import com.alibaba.druid.sql.OracleTest;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
  import com.alibaba.druid.util.JdbcConstants;
  
  import java.util.List;
  
  public class Oracle_pl_exception_3 extends OracleTest {
      public void test_0() throws Exception {
          String sql = "DECLARE\n" +
                  "  salary_too_high   EXCEPTION;\n" +
                  "  current_salary    NUMBER := 20000;\n" +
                  "  max_salary        NUMBER := 10000;\n" +
                  "  erroneous_salary  NUMBER;\n" +
                  "BEGIN\n" +
                  "\n" +
                  "  BEGIN\n" +
                  "    IF current_salary > max_salary THEN\n" +
                  "      RAISE salary_too_high;   -- raise exception\n" +
                  "    END IF;\n" +
                  "  EXCEPTION\n" +
                  "    WHEN salary_too_high THEN  -- start handling exception\n" +
                  "      erroneous_salary := current_salary;\n" +
                  "      DBMS_OUTPUT.PUT_LINE('Salary ' || erroneous_salary ||' is out of range.');\n" +
                  "      DBMS_OUTPUT.PUT_LINE ('Maximum salary is ' || max_salary || '.');\n" +
                  "      RAISE;  -- reraise current exception (exception name is optional)\n" +
                  "  END;\n" +
                  "\n" +
                  "EXCEPTION\n" +
                  "  WHEN salary_too_high THEN    -- finish handling exception\n" +
                  "    current_salary := max_salary;\n" +
                  "\n" +
                  "    DBMS_OUTPUT.PUT_LINE (\n" +
                  "      'Revising salary from ' || erroneous_salary ||\n" +
                  "      ' to ' || current_salary || '.'\n" +
                  "    );\n" +
                  "END;";
  
          List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
          assertEquals(1, statementList.size());
  
          SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.ORACLE);
          for (SQLStatement statement : statementList) {
              statement.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(0, visitor.getTables().size());
  
  //        assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
  //        assertTrue(visitor.getTables().containsKey(new TableStat.Name("emp_name")));
  
  //        assertEquals(7, visitor.getColumns().size());
  //        assertEquals(3, visitor.getConditions().size());
  //        assertEquals(1, visitor.getRelationships().size());
  
          // assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "salary")));
  
          {
              String output = SQLUtils.toSQLString(statementList, JdbcConstants.ORACLE);
              System.out.println(output);
              assertEquals(
                "DECLARE\n"
                    + "\tsalary_too_high EXCEPTION;\n"
                    + "\tcurrent_salary NUMBER := 20000;\n"
                    + "\tmax_salary NUMBER := 10000;\n"
                    + "\terroneous_salary NUMBER;\n"
                    + "BEGIN\n"
                    + "\tBEGIN\n"
                    + "\t\tIF current_salary > max_salary THEN\n"
                    + "\t\t\tRAISE salary_too_high;\n"
                    + "\t\tEND IF;\n"
                    + "\tEXCEPTION\n"
                    + "\t\tWHEN salary_too_high THEN\n"
                    + "\t\t\t-- start handling exception\n"
                    + "\t\t\terroneous_salary := current_salary;\n"
                    + "\t\t\tDBMS_OUTPUT.PUT_LINE('Salary ' || erroneous_salary || ' is out of range.');\n"
                    + "\t\t\tDBMS_OUTPUT.PUT_LINE('Maximum salary is ' || max_salary || '.');\n"
                    + "\t\t\tRAISE;\n"
                    + "\tEND;\n"
                    + "EXCEPTION\n"
                    + "\tWHEN salary_too_high THEN\n"
                    + "\t\t-- finish handling exception\n"
                    + "\t\tcurrent_salary := max_salary;\n"
                    + "\t\tDBMS_OUTPUT.PUT_LINE('Revising salary from ' || erroneous_salary || ' to ' || current_salary || '.');\n"
                    + "END;", //
                output);
          }
          {
              String output = SQLUtils.toSQLString(statementList, JdbcConstants.ORACLE, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
              assertEquals(
                "declare\n"
                    + "\tsalary_too_high EXCEPTION;\n"
                    + "\tcurrent_salary NUMBER := 20000;\n"
                    + "\tmax_salary NUMBER := 10000;\n"
                    + "\terroneous_salary NUMBER;\n"
                    + "begin\n"
                    + "\tbegin\n"
                    + "\t\tif current_salary > max_salary then\n"
                    + "\t\t\traise salary_too_high;\n"
                    + "\t\tend if;\n"
                    + "\texception\n"
                    + "\t\twhen salary_too_high then\n"
                    + "\t\t\t-- start handling exception\n"
                    + "\t\t\terroneous_salary := current_salary;\n"
                    + "\t\t\tDBMS_OUTPUT.PUT_LINE('Salary ' || erroneous_salary || ' is out of range.');\n"
                    + "\t\t\tDBMS_OUTPUT.PUT_LINE('Maximum salary is ' || max_salary || '.');\n"
                    + "\t\t\traise;\n"
                    + "\tend;\n"
                    + "exception\n"
                    + "\twhen salary_too_high then\n"
                    + "\t\t-- finish handling exception\n"
                    + "\t\tcurrent_salary := max_salary;\n"
                    + "\t\tDBMS_OUTPUT.PUT_LINE('Revising salary from ' || erroneous_salary || ' to ' || current_salary || '.');\n"
                    + "end;", //
                output);
          }
      }
  }
  