public function getTableDataDump($tableName, $step = 100)
{
$sql = '';
if ($this->_read) {
$quotedTableName = $this->_read->quoteIdentifier($tableName);
$colunms = $this->_read->fetchRow('SELECT * FROM ' . $quotedTableName . ' LIMIT 1');
if ($colunms) {
$arrSql = array();
$colunms = array_keys($colunms);
$quote = $this->_read->getQuoteIdentifierSymbol();
$sql = 'INSERT INTO ' . $quotedTableName . ' (' . $quote . implode($quote . ', ' . $quote, $colunms) . $quote . ')';
$sql .= ' VALUES ';
$startRow = 0;
$select = $this->_read->select();
$select->from($tableName)->limit($step, $startRow);
while ($data = $this->_read->fetchAll($select)) {
$dataSql = array();
foreach ($data as $row) {
$dataSql[] = $this->_read->quoteInto('(?)', $row);
}
$arrSql[] = $sql . implode(', ', $dataSql) . ';';
$startRow += $step;
$select->limit($step, $startRow);
}
$sql = implode("\n", $arrSql) . "\n";
}
}
return $sql;
}
