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.dialect.oracle.parser.OracleStatementParser;
  import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
  import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
  import com.alibaba.druid.util.JdbcConstants;
  
  import java.util.List;
  
  public class Oracle_pl_1 extends OracleTest {
      public void test_0() throws Exception {
          String sql = "DROP TABLE employees_temp;\n" +
                  "CREATE TABLE employees_temp AS\n" +
                  "  SELECT employee_id, first_name, last_name \n" +
                  "  FROM employees;\n" +
                  " \n" +
                  "DECLARE\n" +
                  "  emp_id          employees_temp.employee_id%TYPE := 299;\n" +
                  "  emp_first_name  employees_temp.first_name%TYPE  := 'Bob';\n" +
                  "  emp_last_name   employees_temp.last_name%TYPE   := 'Henry';\n" +
                  "BEGIN\n" +
                  "  INSERT INTO employees_temp (employee_id, first_name, last_name) \n" +
                  "  VALUES (emp_id, emp_first_name, emp_last_name);\n" +
                  " \n" +
                  "  UPDATE employees_temp\n" +
                  "  SET first_name = 'Robert'\n" +
                  "  WHERE employee_id = emp_id;\n" +
                  " \n" +
                  "  DELETE FROM employees_temp\n" +
                  "  WHERE employee_id = emp_id\n" +
                  "  RETURNING first_name, last_name\n" +
                  "  INTO emp_first_name, emp_last_name;\n" +
                  " \n" +
                  "  COMMIT;\n" +
                  "  DBMS_OUTPUT.PUT_LINE (emp_first_name || ' ' || emp_last_name);\n" +
                  "END;";
  
          List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
          assertEquals(3, statementList.size());
          SQLStatement stmt = statementList.get(2);
  
          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(2, 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.toOracleString(stmt);
              assertEquals("DECLARE\n" +
                              "\temp_id employees_temp.employee_id%TYPE := 299;\n" +
                              "\temp_first_name employees_temp.first_name%TYPE := 'Bob';\n" +
                              "\temp_last_name employees_temp.last_name%TYPE := 'Henry';\n" +
                              "BEGIN\n" +
                              "\tINSERT INTO employees_temp (employee_id, first_name, last_name)\n" +
                              "\tVALUES (emp_id, emp_first_name, emp_last_name);\n" +
                              "\tUPDATE employees_temp\n" +
                              "\tSET first_name = 'Robert'\n" +
                              "\tWHERE employee_id = emp_id;\n" +
                              "\tDELETE FROM employees_temp\n" +
                              "\tWHERE employee_id = emp_id\n" +
                              "\tRETURNING first_name, last_name INTO emp_first_name, emp_last_name;\n" +
                              "\tCOMMIT;\n" +
                              "\tDBMS_OUTPUT.PUT_LINE(emp_first_name || ' ' || emp_last_name);\n" +
                              "END;", //
                      output);
          }
          {
              String output = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
              assertEquals("declare\n" +
                              "\temp_id employees_temp.employee_id%TYPE := 299;\n" +
                              "\temp_first_name employees_temp.first_name%TYPE := 'Bob';\n" +
                              "\temp_last_name employees_temp.last_name%TYPE := 'Henry';\n" +
                              "begin\n" +
                              "\tinsert into employees_temp (employee_id, first_name, last_name)\n" +
                              "\tvalues (emp_id, emp_first_name, emp_last_name);\n" +
                              "\tupdate employees_temp\n" +
                              "\tset first_name = 'Robert'\n" +
                              "\twhere employee_id = emp_id;\n" +
                              "\tdelete from employees_temp\n" +
                              "\twhere employee_id = emp_id\n" +
                              "\treturning first_name, last_name into emp_first_name, emp_last_name;\n" +
                              "\tcommit;\n" +
                              "\tDBMS_OUTPUT.PUT_LINE(emp_first_name || ' ' || emp_last_name);\n" +
                              "end;", //
                      output);
          }
      }
  
      public void test_1() {
          String sql = "DECLARE\n" +
                       "  acct_id INTEGER(4) NOT NULL := 9999;\n" +
                       "  a NATURALN                  := 9999;\n" +
                       "  b POSITIVEN                 := 9999;\n" +
                       "  c SIMPLE_INTEGER            := 9999;\n" +
                       "BEGIN\n" +
                       "  NULL;\n" +
                       "END;";
  
          OracleStatementParser parser = new OracleStatementParser(sql);
          List<SQLStatement> statementList = parser.parseStatementList();
          SQLStatement statement = statementList.get(0);
          print(statementList);
  
          assertEquals(1, statementList.size());
  
          assertEquals("DECLARE\n" +
                              "\tacct_id INTEGER(4) NOT NULL := 9999;\n" +
                              "\ta NATURALN := 9999;\n" +
                              "\tb POSITIVEN := 9999;\n" +
                              "\tc SIMPLE_INTEGER := 9999;\n" +
                              "BEGIN\n" +
                              "\tNULL;\n" +
                              "END;", SQLUtils.toSQLString(statement, JdbcConstants.ORACLE));
  
          OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
          statement.accept(visitor);
  
          System.out.println("Tables : " + visitor.getTables());
          System.out.println("fields : " + visitor.getColumns());
          System.out.println("conditions : " + visitor.getConditions());
          System.out.println("relationships : " + visitor.getRelationships());
          System.out.println("orderBy : " + visitor.getOrderByColumns());
  
          assertEquals(0, visitor.getTables().size());
          assertEquals(0, visitor.getColumns().size());
      }
  }
  