Examples of com.caucho.db.table.TableIterator

com.caucho.db.table.TableIterator
Iterates over a table's rows.

                          byte []buffer,
                          int offset)
    throws SQLException
  {
    TableIterator []rows = context.getTableIterators();
    TableIterator row = rows[getTableIndex()];


    return row.getBuffer(getColumn(), buffer, offset);
  }

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


    return row.isEqual(getColumn(), matchBuffer);
  }

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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 (! start(rows, rows.length, context, xa)) {
        return;
      }


      do {
        TableIterator iter = rows[0];
        // iter.setDirty();


        for (int i = 0; i < setItems.length; i++) {
          Column column = setItems[i].getColumn();
          Expr expr = setItems[i].getExpr();

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        rowIter.initNullRow();
        return true;
      }
    } while (expr.evalBoolean(context) != TRUE);
    
    TableIterator parentIter = context.getTableIterators()[1];
    
    return true;
  }

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    throws SQLException
  {
    GeneratedKeysResultSet keysRS = context.getGeneratedKeysResultSet();


    final TableIterator []rows = context.getTableIterators();
    final TableIterator row = rows[0];
    
    long value = (row.getBlockId() & BlockStore.BLOCK_MASK) + row.getRowOffset();


    if (keysRS != null) {
      keysRS.setColumn(1, _column);
      keysRS.setLong(1, value);
    }

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      Block bestBlock = null;
      long bestId = Long.MAX_VALUE;


      loop:
      for (int j = 0; j < len; j++) {
        TableIterator iter = _tableIterators[j];


        if (iter == null)
          continue;


        Block block = iter.getBlock();


        if (block == null)
          continue;


        long id = block.getBlockId();

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      }
      
      queryContext.lock();


      for (int i = rowLength - 1; i >= 0; i--) {
        TableIterator row = rows[i];
        RowIterateExpr iterExpr = _indexExprs[i];


        if (! iterExpr.init(queryContext, row)) {
          return false;
        }

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    RowIterateExpr []indexExprs = _indexExprs;
    Expr []whereExprs = _whereExprs;


    for (int i = 0; i < rowLength; i++) {
      TableIterator tableIter = rows[i];
      RowIterateExpr indexExpr = indexExprs[i];


      Expr whereExpr = whereExprs == null ? null : whereExprs[i];


      while (indexExpr.nextRow(queryContext, tableIter)) {

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                            TableIterator []rows,
                            int rowLength,
                            QueryContext queryContext)
    throws IOException, SQLException
  {
    TableIterator rowIter = rows[i];
    RowIterateExpr iterExpr = _indexExprs[i];
    InitRow prevInitRow;


    if (rowLength > 0)
      prevInitRow = _initRowArray[rowLength - 1];

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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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