Пример #1
0
 public boolean tableExists(Connection connection, TableName tableName)
     throws PersistenceException {
   if (tableName == null) {
     throw new NullPointerException("table name is mandatory");
   }
   ResultSet rs = null;
   try {
     // we need to make sure, that (even if the user has extended permissions) only the tables in
     // current schema are checked
     // explicit set of the schema to the current user one to make sure only tables of the current
     // users are requested
     DatabaseMetaData metaData = connection.getMetaData();
     String schemaPattern = tableName.getSchema();
     if (schemaPattern == null) {
       switch (getDialect()) {
         case ORACLE:
           schemaPattern = metaData.getUserName();
           break;
         default:
       }
     }
     rs = metaData.getTables(null, schemaPattern, tableName.getName(), new String[] {"TABLE"});
     return rs.next();
   } catch (SQLException e) {
     if (trace) log.tracef(e, "SQLException occurs while checking the table %s", tableName);
     return false;
   } finally {
     JdbcUtil.safeClose(rs);
   }
 }
Пример #2
0
 /**
  * Prints metadata, such as database username and connection URL, for an open JDBC connection.
  * This is a utility method for use during debugging.
  *
  * @param conn an open JDBC Connection
  * @throws SQLException
  */
 private static void printConnectionMetaData(Connection conn) throws SQLException {
   if (conn != null) {
     DatabaseMetaData metadata = conn.getMetaData();
     // FIXME: Outputs via System.out, rather than Logger, for
     // cases where this may be called during server startup.
     System.out.println("username="******"database url=" + metadata.getURL());
   }
 }
 public String getUserName() throws SQLException {
   {
     try {
       return _meta.getUserName();
     } catch (SQLException e) {
       handleException(e);
       throw new AssertionError();
     }
   }
 }
Пример #4
0
 /** Returns a table's primary key columns as a Set of strings. */
 public static Set<String> getPrimaryKey(DatabaseMetaData metadata, String tableName)
     throws Exception {
   Set<String> columns = new HashSet<String>();
   ResultSet keys =
       metadata.getPrimaryKeys(
           metadata.getConnection().getCatalog(), metadata.getUserName(), tableName);
   while (keys.next()) {
     columns.add(keys.getString(PRIMARY_PK_COL_NAME));
   }
   keys.close();
   return columns;
 }
  @Test
  public void testMatchInParametersAndSqlTypeInfoWrapping() throws Exception {
    final String TABLE = "customers";
    final String USER = "******";

    ResultSet metaDataResultSet = mock(ResultSet.class);
    given(metaDataResultSet.next()).willReturn(true, false);
    given(metaDataResultSet.getString("TABLE_SCHEM")).willReturn(USER);
    given(metaDataResultSet.getString("TABLE_NAME")).willReturn(TABLE);
    given(metaDataResultSet.getString("TABLE_TYPE")).willReturn("TABLE");

    ResultSet columnsResultSet = mock(ResultSet.class);
    given(columnsResultSet.next()).willReturn(true, true, true, true, false);
    given(columnsResultSet.getString("COLUMN_NAME"))
        .willReturn("id", "name", "customersince", "version");
    given(columnsResultSet.getInt("DATA_TYPE"))
        .willReturn(Types.INTEGER, Types.VARCHAR, Types.DATE, Types.NUMERIC);
    given(columnsResultSet.getBoolean("NULLABLE")).willReturn(false, true, true, false);

    given(databaseMetaData.getDatabaseProductName()).willReturn("MyDB");
    given(databaseMetaData.getDatabaseProductName()).willReturn("1.0");
    given(databaseMetaData.getUserName()).willReturn(USER);
    given(databaseMetaData.storesLowerCaseIdentifiers()).willReturn(true);
    given(databaseMetaData.getTables(null, null, TABLE, null)).willReturn(metaDataResultSet);
    given(databaseMetaData.getColumns(null, USER, TABLE, null)).willReturn(columnsResultSet);

    MapSqlParameterSource map = new MapSqlParameterSource();
    map.addValue("id", 1);
    map.addValue("name", "Sven");
    map.addValue("customersince", new Date());
    map.addValue("version", 0);
    map.registerSqlType("customersince", Types.DATE);
    map.registerSqlType("version", Types.NUMERIC);

    context.setTableName(TABLE);
    context.processMetaData(dataSource, new ArrayList<>(), new String[] {});

    List<Object> values = context.matchInParameterValuesWithInsertColumns(map);

    assertEquals("wrong number of parameters: ", 4, values.size());
    assertTrue("id not wrapped with type info", values.get(0) instanceof Number);
    assertTrue("name not wrapped with type info", values.get(1) instanceof String);
    assertTrue("date wrapped with type info", values.get(2) instanceof SqlParameterValue);
    assertTrue("version wrapped with type info", values.get(3) instanceof SqlParameterValue);
    verify(metaDataResultSet, atLeastOnce()).next();
    verify(columnsResultSet, atLeastOnce()).next();
    verify(metaDataResultSet).close();
    verify(columnsResultSet).close();
  }
Пример #6
0
 public static String getDBServerURL() {
   Connection conn = null;
   try {
     conn = DAOFactory.getInstance().getConnection();
     if (conn != null) {
       DatabaseMetaData meta = conn.getMetaData();
       return (meta.getURL() + ":" + meta.getUserName()).toUpperCase();
     }
   } catch (SQLException e) {
     e.printStackTrace();
   } finally {
     DBHelper.closeConnection(conn);
   }
   return "";
 }
 private static void print(Connection connection) {
   if (LOGGER.isDebugEnabled()) {
     try {
       DatabaseMetaData metadata = connection.getMetaData();
       LOGGER.debug(
           "Returning Connection ["
               + metadata.getURL()
               + "] From user ["
               + metadata.getUserName()
               + "]");
     } catch (Exception ex) {
       LOGGER.error("Error logging connection details: " + ex.getMessage(), ex);
     }
   }
 }
Пример #8
0
 public CompositeMap getPrimaryKeys() throws SQLException {
   CompositeMap primaryKeyArray =
       new CommentCompositeMap(BMUtil.BMPrefix, AuroraConstant.BMUri, "primary-key");
   String tableName = getTableName();
   if (tableName == null) return primaryKeyArray;
   DatabaseMetaData dbMetaData = getDBMetaData();
   ResultSet tableRet = dbMetaData.getPrimaryKeys(null, dbMetaData.getUserName(), tableName);
   while (tableRet.next()) {
     CompositeMap field =
         new CommentCompositeMap(BMUtil.BMPrefix, AuroraConstant.BMUri, "pk-field");
     field.put("name", tableRet.getString("COLUMN_NAME").toLowerCase());
     primaryKeyArray.addChild(field);
   }
   return primaryKeyArray;
 }
Пример #9
0
  @Signature
  public Memory getMetaData() throws SQLException {
    ArrayMemory r = new ArrayMemory();
    r.refOfIndex("userName").assign(metaData.getUserName());

    r.refOfIndex("driverName").assign(metaData.getDriverName());
    r.refOfIndex("driverVersion").assign(metaData.getDriverVersion());
    r.refOfIndex("databaseName").assign(metaData.getDatabaseProductName());
    r.refOfIndex("databaseVersion").assign(metaData.getDatabaseProductVersion());

    r.refOfIndex("catalogSeparator").assign(metaData.getCatalogSeparator());
    r.refOfIndex("catalogTerm").assign(metaData.getCatalogTerm());
    r.refOfIndex("schemaTerm").assign(metaData.getSchemaTerm());
    r.refOfIndex("procedureTerm").assign(metaData.getProcedureTerm());
    r.refOfIndex("searchStringEscape").assign(metaData.getSearchStringEscape());

    r.refOfIndex("numericFunctions").assign(metaData.getNumericFunctions());
    r.refOfIndex("stringFunctions").assign(metaData.getStringFunctions());
    r.refOfIndex("timeDateFunctions").assign(metaData.getTimeDateFunctions());
    r.refOfIndex("systemFunctions").assign(metaData.getSystemFunctions());

    r.refOfIndex("defaultTransactionIsolation").assign(metaData.getDefaultTransactionIsolation());
    r.refOfIndex("identifierQuoteString").assign(metaData.getIdentifierQuoteString());

    r.refOfIndex("maxBinaryLiteralLength").assign(metaData.getMaxBinaryLiteralLength());
    r.refOfIndex("maxCatalogNameLength").assign(metaData.getMaxCatalogNameLength());
    r.refOfIndex("maxCharLiteralLength").assign(metaData.getMaxCharLiteralLength());
    r.refOfIndex("maxConnections").assign(metaData.getMaxConnections());

    r.refOfIndex("maxColumnNameLength").assign(metaData.getMaxColumnNameLength());
    r.refOfIndex("maxColumnsInGroupBy").assign(metaData.getMaxColumnsInGroupBy());
    r.refOfIndex("maxColumnsInIndex").assign(metaData.getMaxColumnsInIndex());
    r.refOfIndex("maxColumnsInOrderBy").assign(metaData.getMaxColumnsInOrderBy());
    r.refOfIndex("maxColumnsInSelect").assign(metaData.getMaxColumnsInSelect());
    r.refOfIndex("maxColumnsInTable").assign(metaData.getMaxColumnsInTable());

    r.refOfIndex("maxCursorNameLength").assign(metaData.getMaxCursorNameLength());
    r.refOfIndex("maxIndexLength").assign(metaData.getMaxIndexLength());
    r.refOfIndex("maxProcedureNameLength").assign(metaData.getMaxProcedureNameLength());
    r.refOfIndex("maxRowSize").assign(metaData.getMaxRowSize());
    r.refOfIndex("maxSchemaNameLength").assign(metaData.getMaxSchemaNameLength());
    r.refOfIndex("maxStatementLength").assign(metaData.getMaxStatementLength());

    r.refOfIndex("maxTableNameLength").assign(metaData.getMaxTableNameLength());
    r.refOfIndex("maxTablesInSelect").assign(metaData.getMaxTablesInSelect());

    return r.toConstant();
  }
  @Override
  public IDatabaseConnection createConnection(
      final Connection con, final DatabaseMetaData databaseMetaData)
      throws SQLException, DatabaseUnitException {

    logger.warn(
        String.format(
            ">>>>> %s invoked to create a connection!\n", this.getClass().getSimpleName()));

    IDatabaseConnection connection = null;

    // FIXME not nice I found not a fast possibility to generate inside H2
    // the tables inside a
    // schema as oracle do.
    final String driverName = databaseMetaData.getDriverName();

    if (driverName.toLowerCase().contains("oracle")) {
      // oracle schema name is the user name
      connection = new DatabaseConnection(con, databaseMetaData.getUserName().toUpperCase());
    } else {
      if (driverName.contains("H2")) {
        // H2
        connection = new DatabaseConnection(con);
      } else if (driverName.contains("postgresql")) {
        // postgresql
        connection = new DatabaseConnection(con, "public");
      } else {
        // all other
        connection = new DatabaseConnection(con);
      }
    }

    logger.warn(
        String.format(
            "<<<<<  %s returns connection %s!\n", this.getClass().getSimpleName(), connection));

    // final DatabaseConfig config = connection.getConfig();
    // // oracle 10g
    // // FIXME at the moment we have a hard coded oracle notation
    // config.setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY, new
    // Oracle10DataTypeFactory());

    return connection;
  }
  @RequestMapping(method = RequestMethod.GET)
  public String showInformations(Model model) {
    List<Informations> info = new ArrayList<>();
    info.add(new Informations("Versão", repInfo.getProperty("repository.version")));
    info.add(new Informations("Número de documentos", Long.toString(docService.count())));

    info.add(
        new Informations(
            "Domínio",
            config.getProperty("Repositorio.hostname"),
            "Este dominio será utilizado para criar a localização dos documentos. Editar no arquivo: 'config.properties'."));
    info.add(
        new Informations(
            "Raiz do projeto", config.getProperty("Repositorio.rootPath", "/repositorio")));
    info.add(
        new Informations(
            "Porta",
            config.getProperty("Repositorio.port", "8080"),
            "Porta informada no arquivo '/WEB-INF/classes/config.properties'"));
    info.add(
        new Informations(
            "URL dos objetos",
            Config.getUrl(config) + "{id}",
            "URL que será utilizada para criar o location dos objetos. Pode ser editada em: '/WEB-INF/classes/config.properties'"));
    try {
      DatabaseMetaData databaseInfo = dataSource.getConnection().getMetaData();
      info.add(new Informations("Base de dados utilizada", databaseInfo.getDatabaseProductName()));
      info.add(
          new Informations("Versão da base de dados", databaseInfo.getDatabaseProductVersion()));
      info.add(new Informations("JDBC driver", databaseInfo.getDriverName()));
      info.add(new Informations("Versão do JDBC driver", databaseInfo.getDriverVersion()));
      info.add(new Informations("URL da base de dados", databaseInfo.getURL()));
      info.add(new Informations("Usuário da base de dados", databaseInfo.getUserName()));

    } catch (SQLException s) {
      log.error("Error getting information about database.", s);
      info.add(new Informations("Erro", "Não foi possível carregar os dados da base de dados"));
    }
    model.addAttribute("info", info);
    return "panel/show";
  }
Пример #12
0
  /**
   * Returns a table's foreign keys and their columns as a Map from the key name to the ForeignKey
   * object.
   *
   * <p>A foreign key may not have a name. On such a database, 2 foreign keys must reference 2
   * different tables. Otherwise there's no way to tell them apart and the foreign key information
   * reported by DatabaseMetaData becomes ill-formed.
   */
  public static Map<String, ForeignKey> getForeignKeys(DatabaseMetaData metadata, String tableName)
      throws Exception {
    ResultSet keys =
        metadata.getImportedKeys(
            metadata.getConnection().getCatalog(), metadata.getUserName(), tableName);
    Map<String, ForeignKey> map = new HashMap<String, ForeignKey>();

    while (keys.next()) {
      String table = keys.getString(IMPORTED_PK_TAB_NAME);
      String name = keys.getString(IMPORTED_FK_KEY_NAME);
      if (name == null || name.length() == 0) name = "UNNAMED_FK_" + table;

      ForeignKey key = map.get(name);
      if (key == null) {
        map.put(name, key = new ForeignKey(table));
      }
      key.add(keys.getString(IMPORTED_FK_COL_NAME));
    }
    keys.close();
    return map;
  }
  @Test
  public void testTableWithSingleColumnGeneratedKey() throws Exception {
    final String TABLE = "customers";
    final String USER = "******";

    ResultSet metaDataResultSet = mock(ResultSet.class);
    given(metaDataResultSet.next()).willReturn(true, false);
    given(metaDataResultSet.getString("TABLE_SCHEM")).willReturn(USER);
    given(metaDataResultSet.getString("TABLE_NAME")).willReturn(TABLE);
    given(metaDataResultSet.getString("TABLE_TYPE")).willReturn("TABLE");

    ResultSet columnsResultSet = mock(ResultSet.class);
    given(columnsResultSet.next()).willReturn(true, false);
    given(columnsResultSet.getString("COLUMN_NAME")).willReturn("id");
    given(columnsResultSet.getInt("DATA_TYPE")).willReturn(Types.INTEGER);
    given(columnsResultSet.getBoolean("NULLABLE")).willReturn(false);

    given(databaseMetaData.getDatabaseProductName()).willReturn("MyDB");
    given(databaseMetaData.getDatabaseProductName()).willReturn("1.0");
    given(databaseMetaData.getUserName()).willReturn(USER);
    given(databaseMetaData.storesLowerCaseIdentifiers()).willReturn(true);
    given(databaseMetaData.getTables(null, null, TABLE, null)).willReturn(metaDataResultSet);
    given(databaseMetaData.getColumns(null, USER, TABLE, null)).willReturn(columnsResultSet);

    MapSqlParameterSource map = new MapSqlParameterSource();
    String[] keyCols = new String[] {"id"};
    context.setTableName(TABLE);
    context.processMetaData(dataSource, new ArrayList<>(), keyCols);
    List<Object> values = context.matchInParameterValuesWithInsertColumns(map);
    String insertString = context.createInsertString(keyCols);

    assertEquals("wrong number of parameters: ", 0, values.size());
    assertEquals(
        "empty insert not generated correctly", "INSERT INTO customers () VALUES()", insertString);
    verify(metaDataResultSet, atLeastOnce()).next();
    verify(columnsResultSet, atLeastOnce()).next();
    verify(metaDataResultSet).close();
    verify(columnsResultSet).close();
  }
  /* Clear all existing nodes from the tree model and rebuild from scratch.
   */
  protected void refreshTree() {

    DefaultMutableTreeNode propertiesNode;
    DefaultMutableTreeNode leaf;

    // First clear the existing tree by simply enumerating
    // over the root node's children and removing them one by one.
    while (treeModel.getChildCount(rootNode) > 0) {
      DefaultMutableTreeNode child = (DefaultMutableTreeNode) treeModel.getChild(rootNode, 0);

      treeModel.removeNodeFromParent(child);
      child.removeAllChildren();
      child.removeFromParent();
    }

    treeModel.nodeStructureChanged(rootNode);
    treeModel.reload();
    tScrollPane.repaint();

    // Now rebuild the tree below its root
    try {

      // Start by naming the root node from its URL:
      rootNode.setUserObject(dMeta.getURL());

      // get metadata about user tables by building a vector of table names
      String usertables[] = {"TABLE", "GLOBAL TEMPORARY", "VIEW"};
      ResultSet result = dMeta.getTables(null, null, null, usertables);
      Vector tables = new Vector();

      // sqlbob@users Added remarks.
      Vector remarks = new Vector();

      while (result.next()) {
        tables.addElement(result.getString(3));
        remarks.addElement(result.getString(5));
      }

      result.close();

      // For each table, build a tree node with interesting info
      for (int i = 0; i < tables.size(); i++) {
        String name = (String) tables.elementAt(i);
        DefaultMutableTreeNode tableNode = makeNode(name, rootNode);
        ResultSet col = dMeta.getColumns(null, null, name, null);

        // sqlbob@users Added remarks.
        String remark = (String) remarks.elementAt(i);

        if ((remark != null) && !remark.trim().equals("")) {
          makeNode(remark, tableNode);
        }

        // With a child for each column containing pertinent attributes
        while (col.next()) {
          String c = col.getString(4);
          DefaultMutableTreeNode columnNode = makeNode(c, tableNode);
          String type = col.getString(6);

          makeNode("Type: " + type, columnNode);

          boolean nullable = col.getInt(11) != DatabaseMetaData.columnNoNulls;

          makeNode("Nullable: " + nullable, columnNode);
        }

        col.close();

        DefaultMutableTreeNode indexesNode = makeNode("Indices", tableNode);
        ResultSet ind = dMeta.getIndexInfo(null, null, name, false, false);
        String oldiname = null;

        // A child node to contain each index - and its attributes
        while (ind.next()) {
          DefaultMutableTreeNode indexNode = null;
          boolean nonunique = ind.getBoolean(4);
          String iname = ind.getString(6);

          if ((oldiname == null || !oldiname.equals(iname))) {
            indexNode = makeNode(iname, indexesNode);

            makeNode("Unique: " + !nonunique, indexNode);

            oldiname = iname;
          }

          // And the ordered column list for index components
          makeNode(ind.getString(9), indexNode);
        }

        ind.close();
      }

      // Finally - a little additional metadata on this connection
      propertiesNode = makeNode("Properties", rootNode);

      makeNode("User: "******"ReadOnly: " + cConn.isReadOnly(), propertiesNode);
      makeNode("AutoCommit: " + cConn.getAutoCommit(), propertiesNode);
      makeNode("Driver: " + dMeta.getDriverName(), propertiesNode);
      makeNode("Product: " + dMeta.getDatabaseProductName(), propertiesNode);
      makeNode("Version: " + dMeta.getDatabaseProductVersion(), propertiesNode);
    } catch (SQLException se) {
      propertiesNode = makeNode("Error getting metadata:", rootNode);

      makeNode(se.getMessage(), propertiesNode);
      makeNode(se.getSQLState(), propertiesNode);
    }

    treeModel.nodeStructureChanged(rootNode);
    treeModel.reload();
    tScrollPane.repaint();
  }
  /** Method declaration */
  private void refreshTree() {

    tTree.removeAll();

    try {
      int color_table = Color.yellow.getRGB();
      int color_column = Color.orange.getRGB();
      int color_index = Color.red.getRGB();

      tTree.addRow("", dMeta.getURL(), "-", 0);

      String usertables[] = {"TABLE"};
      ResultSet result = dMeta.getTables(null, null, null, usertables);
      Vector tables = new Vector();

      // sqlbob@users Added remarks.
      Vector remarks = new Vector();

      while (result.next()) {
        tables.addElement(result.getString(3));
        remarks.addElement(result.getString(5));
      }

      result.close();

      for (int i = 0; i < tables.size(); i++) {
        String name = (String) tables.elementAt(i);
        String key = "tab-" + name + "-";

        tTree.addRow(key, name, "+", color_table);

        // sqlbob@users Added remarks.
        String remark = (String) remarks.elementAt(i);

        if ((remark != null) && !remark.trim().equals("")) {
          tTree.addRow(key + "r", " " + remark);
        }

        ResultSet col = dMeta.getColumns(null, null, name, null);

        while (col.next()) {
          String c = col.getString(4);
          String k1 = key + "col-" + c + "-";

          tTree.addRow(k1, c, "+", color_column);

          String type = col.getString(6);

          tTree.addRow(k1 + "t", "Type: " + type);

          boolean nullable = col.getInt(11) != DatabaseMetaData.columnNoNulls;

          tTree.addRow(k1 + "n", "Nullable: " + nullable);
        }

        col.close();
        tTree.addRow(key + "ind", "Indices", "+", 0);

        ResultSet ind = dMeta.getIndexInfo(null, null, name, false, false);
        String oldiname = null;

        while (ind.next()) {
          boolean nonunique = ind.getBoolean(4);
          String iname = ind.getString(6);
          String k2 = key + "ind-" + iname + "-";

          if ((oldiname == null || !oldiname.equals(iname))) {
            tTree.addRow(k2, iname, "+", color_index);
            tTree.addRow(k2 + "u", "Unique: " + !nonunique);

            oldiname = iname;
          }

          String c = ind.getString(9);

          tTree.addRow(k2 + "c-" + c + "-", c);
        }

        ind.close();
      }

      tTree.addRow("p", "Properties", "+", 0);
      tTree.addRow("pu", "User: "******"pr", "ReadOnly: " + cConn.isReadOnly());
      tTree.addRow("pa", "AutoCommit: " + cConn.getAutoCommit());
      tTree.addRow("pd", "Driver: " + dMeta.getDriverName());
      tTree.addRow("pp", "Product: " + dMeta.getDatabaseProductName());
      tTree.addRow("pv", "Version: " + dMeta.getDatabaseProductVersion());
    } catch (SQLException e) {
      tTree.addRow("", "Error getting metadata:", "-", 0);
      tTree.addRow("-", e.getMessage());
      tTree.addRow("-", e.getSQLState());
    }

    tTree.update();
  }
Пример #16
0
  public void init() throws ServletException {
    super.init();

    ARE.getLog()
        .info(
            "**********************************InitDataServlet Start*********************************");
    try {
      ARE.getLog()
          .info(
              "**============System  Property Begin==============================================**");
      Properties ps = System.getProperties();
      Iterator ir = ps.keySet().iterator();
      for (int i = 1; ir.hasNext(); i++) {
        String sKey = (String) ir.next();
        ARE.getLog().info("(" + i + ")" + sKey + " = [" + ps.getProperty(sKey) + "]");
      }
      ARE.getLog()
          .info(
              "**============System  Property End=================================================**");

      Transaction Sqlca = null;
      try {
        String sConfigFile = getInitParameter("ConfigFile");
        if ((sConfigFile != null) && (!"".equals(sConfigFile))) {
          ASConfigure.setXMLFile(sConfigFile);
          ARE.getLog().info("ConfigFile       = [" + sConfigFile + "]");
        }

        ASConfigure asc = ASConfigure.getASConfigure(getServletContext());
        Sqlca = getSqlca(asc);
        ARE.getLog()
            .info(
                "**============DataBase And JDBC Property Begin=====================================**");
        DatabaseMetaData dbmd = Sqlca.conn.getMetaData();
        ARE.getLog()
            .info(
                "DatabaseName["
                    + dbmd.getDatabaseProductName()
                    + "]  Version["
                    + dbmd.getDatabaseProductVersion()
                    + "]");
        ARE.getLog()
            .info(
                "Driver Name["
                    + dbmd.getDriverName()
                    + "]  Version["
                    + dbmd.getDriverVersion()
                    + "]");
        ARE.getLog()
            .info(
                "JDBC MajorVersion["
                    + dbmd.getJDBCMajorVersion()
                    + "] MinorVersion["
                    + dbmd.getJDBCMinorVersion()
                    + "]");
        ARE.getLog().info("URL[" + dbmd.getURL() + "] UserName[" + dbmd.getUserName() + "]");
        ARE.getLog()
            .info(
                "DatabaseState IsAutoCommit["
                    + Sqlca.conn.getAutoCommit()
                    + "] TransactionIsolation["
                    + Sqlca.conn.getTransactionIsolation()
                    + "]");
        ARE.getLog()
            .info(
                "**============DataBase And JDBC Property End=======================================**");

        ARE.getLog()
            .info("Init Cache Data[ALL]            .......... Starting" + StringFunction.getNow());
        ASConfigure.getSysConfig("ASCodeSet", Sqlca);
        ARE.getLog()
            .info("Init Cache Data[SYSCONFIG_CODE] .......... Success!" + StringFunction.getNow());
        ASConfigure.getSysConfig("ASCompSet", Sqlca);
        ARE.getLog()
            .info("Init Cache Data[SYSCONFIG_COMP] .......... Success!" + StringFunction.getNow());
        ASConfigure.getSysConfig("ASFuncSet", Sqlca);
        ARE.getLog()
            .info("Init Cache Data[SYSCONFIG_FUNC] .......... Success!" + StringFunction.getNow());
        ASConfigure.getSysConfig("ASRoleSet", Sqlca);
        ARE.getLog()
            .info("Init Cache Data[SYSCONFIG_ROLE] .......... Success!" + StringFunction.getNow());
        ARE.getLog()
            .info("Init Cache Data[ALL]            .......... Success!" + StringFunction.getNow());
      } catch (Exception e) {
        ARE.getLog().info("InitDataServerlet :error", e);
        e.printStackTrace();
        throw new RuntimeException("构造系统配置时出错:" + e);
      } finally {
        try {
          if (Sqlca != null) {
            Sqlca.conn.commit();
            Sqlca.disConnect();
            Sqlca = null;
          }
        } catch (Exception e1) {
        }
      }
    } catch (Exception e) {
      ARE.getLog().info("InitDataServerlet :error", e);
      e.printStackTrace();
    }
    ARE.getLog()
        .info(
            "**********************************InitDataServlet Success*********************************");
    ARE.getLog().info("");
  }
  public void testMetaData() {

    String ddl0 =
        "DROP TABLE ADDRESSBOOK IF EXISTS; DROP TABLE ADDRESSBOOK_CATEGORY IF EXISTS; DROP TABLE USER IF EXISTS;";
    String ddl1 =
        "CREATE TABLE USER(USER_ID INTEGER NOT NULL PRIMARY KEY,LOGIN_ID VARCHAR(128) NOT NULL,USER_NAME VARCHAR(254) DEFAULT ' ' NOT NULL,CREATE_DATE TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,UPDATE_DATE TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,LAST_ACCESS_DATE TIMESTAMP,CONSTRAINT IXUQ_LOGIN_ID0 UNIQUE(LOGIN_ID))";
    String ddl2 =
        "CREATE TABLE ADDRESSBOOK_CATEGORY(USER_ID INTEGER NOT NULL,CATEGORY_ID INTEGER DEFAULT 0 NOT NULL,CATEGORY_NAME VARCHAR(60) DEFAULT '' NOT NULL,CONSTRAINT SYS_PK_ADDRESSBOOK_CATEGORY PRIMARY KEY(USER_ID,CATEGORY_ID),CONSTRAINT FK_ADRBKCAT1 FOREIGN KEY(USER_ID) REFERENCES USER(USER_ID) ON DELETE CASCADE)";
    String ddl3 =
        "CREATE TABLE ADDRESSBOOK(USER_ID INTEGER NOT NULL,ADDRESSBOOK_ID INTEGER NOT NULL,CATEGORY_ID INTEGER DEFAULT 0 NOT NULL,FIRST VARCHAR(64) DEFAULT '' NOT NULL,LAST VARCHAR(64) DEFAULT '' NOT NULL,NOTE VARCHAR(128) DEFAULT '' NOT NULL,CONSTRAINT SYS_PK_ADDRESSBOOK PRIMARY KEY(USER_ID,ADDRESSBOOK_ID),CONSTRAINT FK_ADRBOOK1 FOREIGN KEY(USER_ID,CATEGORY_ID) REFERENCES ADDRESSBOOK_CATEGORY(USER_ID,CATEGORY_ID) ON DELETE CASCADE)";
    String result1 = "1";
    String result2 = "2";
    String result3 = "3";
    String result4 = "4";
    String result5 = "5";

    try {
      stmnt.execute(ddl0);
      stmnt.execute(ddl1);
      stmnt.execute(ddl2);
      stmnt.execute(ddl3);

      DatabaseMetaData md = connection.getMetaData();

      {
        System.out.println("Testing DatabaseMetaData methods");
        System.out.println(md.getDatabaseMajorVersion());
        System.out.println(md.getDatabaseMinorVersion());
        System.out.println(md.getDatabaseProductName());
        System.out.println(md.getDatabaseProductVersion());
        System.out.println(md.getDefaultTransactionIsolation());
        System.out.println(md.getDriverMajorVersion());
        System.out.println(md.getDriverMinorVersion());
        System.out.println(md.getDriverName());
        System.out.println(md.getDriverVersion());
        System.out.println(md.getExtraNameCharacters());
        System.out.println(md.getIdentifierQuoteString());
        System.out.println(md.getJDBCMajorVersion());
        System.out.println(md.getJDBCMinorVersion());
        System.out.println(md.getMaxBinaryLiteralLength());
        System.out.println(md.getMaxCatalogNameLength());
        System.out.println(md.getMaxColumnsInGroupBy());
        System.out.println(md.getMaxColumnsInIndex());
        System.out.println(md.getMaxColumnsInOrderBy());
        System.out.println(md.getMaxColumnsInSelect());
        System.out.println(md.getMaxColumnsInTable());
        System.out.println(md.getMaxConnections());
        System.out.println(md.getMaxCursorNameLength());
        System.out.println(md.getMaxIndexLength());
        System.out.println(md.getMaxProcedureNameLength());
        System.out.println(md.getMaxRowSize());
        System.out.println(md.getMaxSchemaNameLength());
        System.out.println(md.getMaxStatementLength());
        System.out.println(md.getMaxStatements());
        System.out.println(md.getMaxTableNameLength());
        System.out.println(md.getMaxUserNameLength());
        System.out.println(md.getNumericFunctions());
        System.out.println(md.getProcedureTerm());
        System.out.println(md.getResultSetHoldability());
        System.out.println(md.getSchemaTerm());
        System.out.println(md.getSearchStringEscape());
        System.out.println("Testing DatabaseMetaData.getSQLKeywords()");
        System.out.println(md.getSQLKeywords());
        System.out.println(md.getSQLStateType());
        System.out.println("Testing DatabaseMetaData.getStringFunctions()");
        System.out.println(md.getStringFunctions());
        System.out.println("Testing DatabaseMetaData.getSystemFunctions()");
        System.out.println(md.getSystemFunctions());
        System.out.println("Testing DatabaseMetaData.getTimeDateFunctions()");
        System.out.println(md.getTimeDateFunctions());
        System.out.println(md.getURL());
        System.out.println(md.getUserName());
        System.out.println(DatabaseMetaData.importedKeyCascade);
        System.out.println(md.isCatalogAtStart());
        System.out.println(md.isReadOnly());

        ResultSet rs;

        rs = md.getPrimaryKeys(null, null, "USER");

        ResultSetMetaData rsmd = rs.getMetaData();
        String result0 = "";

        for (; rs.next(); ) {
          for (int i = 0; i < rsmd.getColumnCount(); i++) {
            result0 += rs.getString(i + 1) + ":";
          }

          result0 += "\n";
        }

        rs.close();
        System.out.println(result0);
      }

      {
        ResultSet rs;

        rs = md.getBestRowIdentifier(null, null, "USER", 0, true);

        ResultSetMetaData rsmd = rs.getMetaData();
        String result0 = "";

        for (; rs.next(); ) {
          for (int i = 0; i < rsmd.getColumnCount(); i++) {
            result0 += rs.getString(i + 1) + ":";
          }

          result0 += "\n";
        }

        rs.close();
        System.out.println(result0);
      }

      {
        ResultSet rs = md.getImportedKeys(null, null, "ADDRESSBOOK");
        ResultSetMetaData rsmd = rs.getMetaData();

        result1 = "";

        for (; rs.next(); ) {
          for (int i = 0; i < rsmd.getColumnCount(); i++) {
            result1 += rs.getString(i + 1) + ":";
          }

          result1 += "\n";
        }

        rs.close();
        System.out.println(result1);
      }

      {
        ResultSet rs =
            md.getCrossReference(null, null, "ADDRESSBOOK_CATEGORY", null, null, "ADDRESSBOOK");
        ResultSetMetaData rsmd = rs.getMetaData();

        result2 = "";

        for (; rs.next(); ) {
          for (int i = 0; i < rsmd.getColumnCount(); i++) {
            result2 += rs.getString(i + 1) + ":";
          }

          result2 += "\n";
        }

        rs.close();
        System.out.println(result2);
      }

      {
        ResultSet rs = md.getExportedKeys(null, null, "USER");
        ResultSetMetaData rsmd = rs.getMetaData();

        result3 = "";

        for (; rs.next(); ) {
          for (int i = 0; i < rsmd.getColumnCount(); i++) {
            result3 += rs.getString(i + 1) + ":";
          }

          result3 += "\n";
        }

        rs.close();
        System.out.println(result3);
      }

      {
        ResultSet rs = md.getCrossReference(null, null, "USER", null, null, "ADDRESSBOOK_CATEGORY");
        ResultSetMetaData rsmd = rs.getMetaData();

        result4 = "";

        for (; rs.next(); ) {
          for (int i = 0; i < rsmd.getColumnCount(); i++) {
            result4 += rs.getString(i + 1) + ":";
          }

          result4 += "\n";
        }

        rs.close();
        System.out.println(result4);
      }

      {
        stmnt.execute("DROP TABLE T IF EXISTS;");
        stmnt.execute("CREATE TABLE T (I IDENTITY, A CHAR(20), B CHAR(20));");
        stmnt.execute("INSERT INTO T VALUES (NULL, 'get_column_name', '" + getColumnName + "');");

        ResultSet rs = stmnt.executeQuery("SELECT I, A, B, A \"aliasA\", B \"aliasB\", 1 FROM T;");
        ResultSetMetaData rsmd = rs.getMetaData();

        result5 = "";

        for (; rs.next(); ) {
          for (int i = 0; i < rsmd.getColumnCount(); i++) {
            result5 += rsmd.getColumnName(i + 1) + ":" + rs.getString(i + 1) + ":";
          }

          result5 += "\n";
        }

        rs.close();

        rs = stmnt.executeQuery("SELECT I, A, B, A \"aliasA\", B \"aliasB\", 1 FROM T;");
        rsmd = rs.getMetaData();

        for (; rs.next(); ) {
          for (int i = 0; i < rsmd.getColumnCount(); i++) {
            result5 += rsmd.getColumnLabel(i + 1) + ":" + rs.getString(i + 1) + ":";
          }

          result5 += "\n";
        }

        System.out.println(result5);
        System.out.println("first column identity: " + rsmd.isAutoIncrement(1));
        rsmd.isCaseSensitive(1);
        rsmd.isCurrency(1);
        rsmd.isDefinitelyWritable(1);
        rsmd.isNullable(1);
        rsmd.isReadOnly(1);
        rsmd.isSearchable(1);
        rsmd.isSigned(1);
        rsmd.isWritable(1);
        rs.close();

        // test identity with PreparedStatement
        pstmnt = connection.prepareStatement("INSERT INTO T VALUES (?,?,?)");

        pstmnt.setString(1, null);
        pstmnt.setString(2, "test");
        pstmnt.setString(3, "test2");
        pstmnt.executeUpdate();

        pstmnt = connection.prepareStatement("call identity()");

        ResultSet rsi = pstmnt.executeQuery();

        rsi.next();

        int identity = rsi.getInt(1);

        System.out.println("call identity(): " + identity);
        rsi.close();
      }
    } catch (SQLException e) {
      fail(e.getMessage());
    }

    System.out.println("testMetaData complete");

    // assert equality of exported and imported with xref
    assertEquals(result1, result2);
    assertEquals(result3, result4);
  }
 public String getUserName() throws SQLException {
   return throwExceptionDelegate.getUserName();
 }