Package com.caucho.db.table

Examples of com.caucho.db.table.TableIterator

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  public boolean evalEqual(QueryContext context, String string)
    throws SQLException
  {
    TableIterator []rows = context.getTableIterators();
    TableIterator row = rows[getTableIndex()];

    return row.isEqual(getColumn(), string);
  }
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    if (_rows.length < fromItems.length)
      _rows = new TableIterator[fromItems.length];

    for (int i = 0; i < fromItems.length; i++) {
      if (_rows[i] == null)
        _rows[i] = new TableIterator();
      _rows[i].init(fromItems[i].getTable());
    }

    return _rows;
  }
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    if (_rows.length < fromItems.length)
      _rows = new TableIterator[fromItems.length];
     
    for (int i = 0; i < fromItems.length; i++) {
      if (_rows[i] == null)
  _rows[i] = new TableIterator();
      _rows[i].init(fromItems[i].getTable());
    }

    return _rows;
  }
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   */
  public String evalString(QueryContext context)
    throws SQLException
  {
    TableIterator []rows = context.getTableIterators();
    TableIterator row = rows[_tableIndex];

    return String.valueOf(row.getRowAddress());
  }
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  public int evalInt(QueryContext context)
    throws SQLException
  {
    TableIterator []rows = context.getTableIterators();
    TableIterator row = rows[_tableIndex];

    return (int) row.getRowAddress();
  }
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  public long evalLong(QueryContext context)
    throws SQLException
  {
    TableIterator []rows = context.getTableIterators();
    TableIterator row = rows[_tableIndex];

    return row.getRowAddress();
  }
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  public double evalDouble(QueryContext context)
    throws SQLException
  {
    TableIterator []rows = context.getTableIterators();
    TableIterator row = rows[_tableIndex];

    return row.getRowAddress();
  }
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   */
  @Override
  public void evalToResult(QueryContext context, SelectResult result)
  {
    TableIterator []rows = context.getTableIterators();
    TableIterator row = rows[_tableIndex];

    result.writeLong(row.getRowAddress());
  }
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    @Override
    protected final boolean initBlockRow(final TableIterator []rows,
                                         final QueryContext queryContext)
      throws IOException, SQLException
    {
      final TableIterator rowIter = rows[0];
      final RowIterateExpr iterExpr = _iterExpr;

      if (! iterExpr.initRow(queryContext, rowIter)) {
        return false;
      }
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    @Override
    protected final boolean initBlockRow(final TableIterator []rows,
                                         final QueryContext queryContext)
      throws IOException, SQLException
    {
      final TableIterator rowIter = rows[0];

      rowIter.initRow();

      if (! rowIter.nextRow()) {
        return false;
      }

      final Expr whereExpr = _whereExpr;

      do {
        if (whereExpr.isSelect(queryContext)) {
          return true;
        }
      } while (rowIter.nextRow());

      return false;
    }
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Related Classes of com.caucho.db.table.TableIterator

  • com.caucho.db.block.Block
  • com.caucho.db.sql.AbstractIdExpr
  • com.caucho.db.sql.ColumnExpr
  • com.caucho.db.sql.IdentityExpr
  • com.caucho.db.sql.IdExpr
  • com.caucho.db.sql.LeftOuterJoinExpr
  • com.caucho.db.sql.OidExpr
  • com.caucho.db.sql.Query
  • com.caucho.db.sql.Query$ExprNonTailInitRow
  • com.caucho.db.sql.Query$ExprTailInitRow
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