コード例 #1
0
 /**
  * Creates a new database and keeps track of it to delete it when the clean up is invoked.
  *
  * <p>If the database already exists, a connection to the existing database is returned.
  *
  * @param dbName the database name
  * @param dbAttributes database attributes (i.e. encryption)
  * @param user user name
  * @param password user password
  * @return A connection to the database.
  * @throws SQLException if creating or connecting to the database fails
  */
 public Connection createDatabase(String dbName, String dbAttributes, String user, String password)
     throws SQLException {
   String userAttr = "";
   if (user != null) {
     userAttr = ";user="******";password="******";" + dbAttributes;
   }
   if (!userAttr.equals("")) {
     url += userAttr;
   }
   if (url.indexOf(ATTR_CREATE) == -1) {
     url += ATTR_CREATE;
   }
   Connection con = getConnection(url);
   if (con.getWarnings() != null) {
     // See if there are more than one warning.
     SQLWarning w = con.getWarnings();
     String warnings = w.getMessage();
     while ((w = w.getNextWarning()) != null) {
       warnings += " || " + w.getMessage();
     }
     BaseJDBCTestCase.fail("Warning(s) when creating database: " + warnings);
   }
   // Keep track of the database we just created, so that we can
   // delete it.
   DATABASES.add(dbName + userAttr);
   return con;
 }
コード例 #2
0
  public static ResultSet executeSql(final Statement statement, final String sql) {
    ResultSet results = null;
    if (statement == null) {
      return results;
    }
    if (isBlank(sql)) {
      LOGGER.log(Level.FINE, "No SQL provided", new RuntimeException());
      return results;
    }

    try {
      statement.clearWarnings();

      final boolean hasResults = statement.execute(sql);
      if (hasResults) {
        results = statement.getResultSet();
      } else {
        final int updateCount = statement.getUpdateCount();
        LOGGER.log(
            Level.FINE,
            String.format("No results. Update count of %d for query: %s", updateCount, sql));
      }

      SQLWarning sqlWarning = statement.getWarnings();
      while (sqlWarning != null) {
        LOGGER.log(Level.INFO, sqlWarning.getMessage(), sqlWarning);
        sqlWarning = sqlWarning.getNextWarning();
      }

      return results;
    } catch (final SQLException e) {
      LOGGER.log(Level.WARNING, "Error executing: " + sql, e);
      return null;
    }
  }
コード例 #3
0
 /**
  * @param out the place to write to
  * @param warning the SQLWarning
  */
 public static void ShowWarnings(PrintWriter out, SQLWarning warning) {
   while (warning != null) {
     String p1 = mapNull(warning.getSQLState(), LocalizedResource.getMessage("UT_NoSqlst_7"));
     String p2 = mapNull(warning.getMessage(), LocalizedResource.getMessage("UT_NoMessa_8"));
     out.println(LocalizedResource.getMessage("UT_Warni01", p1, p2));
     warning = warning.getNextWarning();
   }
 }
コード例 #4
0
ファイル: TestJDBC.java プロジェクト: cgvarela/voltdb
  public void testDecimal() {
    String ddl = "create table test (cash decimal default 23.587);";
    String dml = "insert into test values (123.45678911111);";
    String query = "select * from test;";

    Connection dbconn;

    try {
      Class.forName("org.hsqldb_voltpatches.jdbcDriver");

      dbconn = DriverManager.getConnection("jdbc:hsqldb:mem:x1", "sa", "");
      dbconn.setAutoCommit(true);
      dbconn.setTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE);

      Statement stmt = dbconn.createStatement();
      stmt.execute(ddl);
      SQLWarning warn = stmt.getWarnings();
      if (warn != null) System.out.println("warn: " + warn.getMessage());
      assertTrue(warn == null);

      long ucount = stmt.executeUpdate(dml);
      assertTrue(ucount == 1);

      ResultSet rs = stmt.executeQuery(query);
      assertTrue(rs != null);
      ResultSetMetaData rsmd = rs.getMetaData();
      assertTrue(rsmd != null);
      assertTrue(rsmd.getColumnCount() == 1);

      /*System.out.printf("Typename %s, Type %d, Precision %s, Scale %d, Classname %s\n",
      rsmd.getColumnTypeName(1),
      rsmd.getColumnType(1),
      rsmd.getPrecision(1),
      rsmd.getScale(1),
      rsmd.getColumnClassName(1));*/

      boolean success = rs.next();
      assertTrue(success);

      BigDecimal x = rs.getBigDecimal(1);
      assertNotNull(x);
      // System.out.printf("Value: %.10f\n", x.doubleValue());
      BigDecimal expected = new BigDecimal(123.4567);
      assertTrue(x.subtract(expected).abs().doubleValue() < .01);

      try {
        stmt.execute("SHUTDOWN;");
      } catch (Exception e) {
      }
      ;
      dbconn.close();
      System.gc();

    } catch (Exception e) {
      e.printStackTrace();
      assertTrue(false);
    }
  }
コード例 #5
0
 public static void ShowWarnings(PrintStream out, SQLWarning warning) {
   while (warning != null) {
     out.println(
         "WARNING "
             + mapNull(warning.getSQLState(), "(no SQLState)")
             + ": "
             + mapNull(warning.getMessage(), "(no message)"));
     warning = warning.getNextWarning();
   }
 }
コード例 #6
0
  @Override
  public void emptyCache() throws Exception {
    // DY: performs "CHECKPOINT" then "DBCC DROPCLEANBUFFERS" to clean buffers.
    ++numberOfCacheEmptying;
    Timer t = new Timer();

    Statement stmt = queryConnection.createStatement();
    String createCheckpoint = "CHECKPOINT";
    String dropCleanBuffers = "DBCC DROPCLEANBUFFERS";
    String dropPlanCache = "DBCC FREEPROCCACHE";

    stmt.execute(createCheckpoint);
    SQLWarning warning = stmt.getWarnings();
    while (warning != null) {
      //			System.out.println(warning.getMessage());
      warning = warning.getNextWarning();
    }
    String msg = "";
    stmt.execute(dropPlanCache);
    warning = stmt.getWarnings();
    while (warning != null) {
      msg += warning.getMessage();
      warning = warning.getNextWarning();
    }
    if (!msg.contains("DBCC execution completed.")) {
      log.error("Failed to clear db cache.");
    }
    msg = "";
    stmt.execute(dropCleanBuffers);
    warning = stmt.getWarnings();
    while (warning != null) {
      msg += warning.getMessage();
      warning = warning.getNextWarning();
    }
    if (!msg.contains("DBCC execution completed.")) {
      log.error("Failed to clear db cache.");
    }

    // for now, we just assume the commands ran successfully. (retry will be added after unit
    // testing is done)
    log.status(LogLevel.DEBUG, "Successfully emptied the cache.");
    secondsSpentEmptyingCache += t.lapSeconds();
  }
コード例 #7
0
ファイル: HsqlBackend.java プロジェクト: BenKoerber/voltdb
 public void runDDL(String ddl) {
   try {
     // LOG.info("Executing " + ddl);
     Statement stmt = dbconn.createStatement();
     /*boolean success =*/ stmt.execute(ddl);
     SQLWarning warn = stmt.getWarnings();
     if (warn != null) sqlLog.warn(warn.getMessage());
     // LOG.info("SQL DDL execute result: " + (success ? "true" : "false"));
   } catch (SQLException e) {
     hostLog.l7dlog(Level.ERROR, LogKeys.host_Backend_RunDDLFailed.name(), new Object[] {ddl}, e);
   }
 }
コード例 #8
0
ファイル: TestJDBC.java プロジェクト: cgvarela/voltdb
  public void testVarbinary() {
    String ddl = "create table testvb (cash integer default 23, b varbinary(1024) default NULL);";
    String dml = "insert into testvb values (123, 'AAAA');";
    String query = "select * from testvb;";

    Connection dbconn;

    try {
      Class.forName("org.hsqldb_voltpatches.jdbcDriver");

      dbconn = DriverManager.getConnection("jdbc:hsqldb:mem:x1", "sa", "");
      dbconn.setAutoCommit(true);
      dbconn.setTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE);

      Statement stmt = dbconn.createStatement();
      stmt.execute(ddl);
      SQLWarning warn = stmt.getWarnings();
      if (warn != null) System.out.println("warn: " + warn.getMessage());
      assertTrue(warn == null);

      long ucount = stmt.executeUpdate(dml);
      assertTrue(ucount == 1);

      ResultSet rs = stmt.executeQuery(query);
      assertTrue(rs != null);
      ResultSetMetaData rsmd = rs.getMetaData();
      assertTrue(rsmd != null);
      assertTrue(rsmd.getColumnCount() == 2);

      boolean success = rs.next();
      assertTrue(success);

      int x = rs.getInt(1);
      assertTrue(x == 123);

      try {
        stmt.execute("SHUTDOWN;");
      } catch (Exception e) {
      }
      ;
      dbconn.close();
      System.gc();

    } catch (Exception e) {
      e.printStackTrace();
      assertTrue(false);
    }
  }
コード例 #9
0
  // Format and print any warnings from the connection
  private static void checkForWarning(SQLWarning warn) throws SQLException {

    // If a SQLWarning object was given, display the
    // warning messages.  Note that there could be
    // multiple warnings chained together

    if (warn != null) {
      System.out.println("*** Warning ***\n");
      while (warn != null) {
        System.out.println("SQLState: " + warn.getSQLState());
        System.out.println("Message:  " + warn.getMessage());
        System.out.println("Vendor:   " + warn.getErrorCode());
        System.out.println("");
        warn = warn.getNextWarning();
      }
    }
  }
コード例 #10
0
  public String checkWarning(Statement st, int updateCount) {
    String result;

    result = null;
    try {
      SQLWarning warning = st.getWarnings();
      if (warning != null) {
        result = warning.getMessage();
      }
    } catch (Exception e) {
      result = processSQLError(e);
    }
    if (updateCount != 1) {
      result = "Tuple not inserted correctly.";
    }
    return result;
  }
コード例 #11
0
  public void connect() {

    try {
      // Load the database driver
      Class.forName("net.sourceforge.jtds.jdbc.Driver");
      // Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver").newInstance();

      // Get a connection to the database
      String url = "jdbc:jtds:sqlserver://147.87.98.131:55783";
      conn = DriverManager.getConnection(url, "se2012_red", "Thanuc57ch");

      // Get a statement from the connection
      stmt = conn.createStatement();

      // Print all warnings
      for (SQLWarning warn = conn.getWarnings(); warn != null; warn = warn.getNextWarning()) {
        System.out.println("SQL Warning:");
        System.out.println("State  : " + warn.getSQLState());
        System.out.println("Message: " + warn.getMessage());
        System.out.println("Error  : " + warn.getErrorCode());
      }
    } catch (SQLException se) {
      System.out.println("SQL Exception:");

      // Loop through the SQL Exceptions
      while (se != null) {
        System.out.println("State  : " + se.getSQLState());
        System.out.println("Message: " + se.getMessage());
        System.out.println("Error  : " + se.getErrorCode());

        se = se.getNextException();
      }
    } catch (Exception e) {
      System.out.println(e);
    }
  }