Package com.caucho.db.table

Examples of com.caucho.db.table.Table$RowAllocator


    throws SQLException
  {
    ArrayList<Expr> exprs = new ArrayList<Expr>();

    for (int i = 0; i < fromItems.length; i++) {
      Table table = fromItems[i].getTable();
      Column []columns = table.getColumns();

      if (_table != null && ! fromItems[i].getName().equals(_table))
        continue;

      for (int j = 0; j < columns.length; j++) {
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   * Gets a table.
   */
  public Table getTable(String name)
  {
    synchronized (_tables) {
      Table table = _tables.get(name);

      if (table != null)
  return table;
     
      Path dir = _dir;
   
      if (dir == null)
  return null;

      try {
  table = Table.loadFromFile(this, name);

  if (table == null)
    return null;

  table.init();

  _tables.put(name, table);

  return table;
      } catch (Exception e) {
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   * Drops a table.
   */
  public void dropTable(String name)
    throws SQLException
  {
    Table table = null;

    synchronized (this) {
      table = getTable(name);
     
      if (table == null)
  throw new SQLException(L.l("Table {0} does not exist.  DROP TABLE can only drop an existing table.",
           name));

      _tables.remove(name);

      _cachedQueries.clear();
    }

    table.remove();
  }
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    if (column == null)
      return Integer.MAX_VALUE;
   
    FromItem fromItem = fromList.get(fromList.size() - 1);
 
    Table table = fromItem.getTable();

    column = table.getColumn(_column);

    if (column == null)
      return 100 * 100 * 100;
    else if (column.isPrimaryKey())
      return 100;
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  {
    if (_table == null) {
      for (int i = 0; i < fromItems.size(); i++) {
  FromItem fromItem = fromItems.get(i);
 
  Table table = fromItem.getTable();

  Column column = table.getColumn(_column);

  if (column != null)
    return column;
      }

      return null;
    }
    else {
      for (int i = 0; i < fromItems.size(); i++) {
  FromItem fromItem = fromItems.get(i);
 
  if (_table.equals(fromItem.getName())) {
    Table table = fromItem.getTable();

    return table.getColumn(_column);
  }
      }
     
      return null;
    }
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    String tableName = parseIdentifier();
   
    if (tableName.equalsIgnoreCase("DUAL"))
      return null;

    Table table = _database.getTable(tableName);

    if (table == null)
      throw error(L.l("'{0}' is an unknown table.  'FROM table' requires an existing table.", tableName));

    String name = table.getName();

    int token = scanToken();
    if (token == AS)
      name = parseIdentifier();
    else if (token == IDENTIFIER)
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      throw error(L.l("expected INTO at `{0}'", tokenName(token)));

    if ((token = scanToken()) != IDENTIFIER)
      throw error(L.l("expected identifier at `{0}'", tokenName(token)));

    Table table = _database.getTable(_lexeme);

    if (table == null)
      throw error(L.l("unknown table `{0}'", tokenName(token)));

    FromItem fromItem = new FromItem(table, table.getName());
    FromItem[] fromList = new FromItem[] { fromItem };

    ArrayList<Column> columns = new ArrayList<Column>();

    if ((token = scanToken()) == '(') {
      do {
  String columnName = parseIdentifier();

  Column column = table.getColumn(columnName);

  if (column == null)
    throw new SQLException(L.l("`{0}' is not a valid column in {1}",
             columnName, table.getName()));
  columns.add(column);
      } while ((token = scanToken()) == ',');

      if (token != ')')
  throw error(L.l("expected ')' at `{0}'", tokenName(token)));

      token = scanToken();
    }
    else {
      Column []columnArray = table.getColumns();

      for (int i = 0; i < columnArray.length; i++)
  columns.add(columnArray[i]);
    }
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      throw error(L.l("expected FROM at `{0}'", tokenName(token)));

    if ((token = scanToken()) != IDENTIFIER)
      throw error(L.l("expected identifier at `{0}'", tokenName(token)));

    Table table = _database.getTable(_lexeme);

    if (table == null)
      throw error(L.l("unknown table `{0}'", tokenName(token)));

    DeleteQuery query = new DeleteQuery(_database, _sql, table);
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    int token;

    if ((token = scanToken()) != IDENTIFIER)
      throw error(L.l("expected identifier at '{0}'", tokenName(token)));

    Table table = _database.getTable(_lexeme);

    if (table == null)
      throw error(L.l("unknown table '{0}'", tokenName(token)));

    ValidateQuery query = new ValidateQuery(_database, _sql, table);
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    if ((token = scanToken()) != IDENTIFIER)
      throw error(L.l("expected identifier at `{0}'", tokenName(token)));

    String name = _lexeme;

    Table table = _database.getTable(name);

    if (table == null)
      throw error(L.l("`{0}' is an unknown table in INSERT.", name));

    if ((token = scanToken()) != SET)
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