/**
* Perform the SQL queries needed for an server-side processing requested,
* utilising the helper functions of this class, limit(), order() and
* filter() among others. The returned array is ready to be encoded as JSON
* in response to an SSP request, or can be modified if needed before
* sending back to the client.
*
* @param array $request Data sent to server by DataTables
* @param array $sql_details SQL connection details - see sql_connect()
* @param string $table SQL table to query
* @param string $primaryKey Primary key of the table
* @param array $columns Column information array
* @return array Server-side processing response array
*/
static function simple($request, $sql_details, $table, $primaryKey, $columns) {
$bindings = array();
$db = SSP::sql_connect($sql_details);
// Build the SQL query string from the request
$limit = SSP::limit($request, $columns);
$order = SSP::order($request, $columns);
$where = SSP::filter($request, $columns, $bindings);
// Main query to actually get the data
$data = SSP::sql_exec($db, $bindings, "SELECT SQL_CALC_FOUND_ROWS `" . implode("`, `", SSP::pluck($columns, 'db')) . "`
FROM `$table`
$where
$order
$limit"
);
// Data set length after filtering
$resFilterLength = SSP::sql_exec($db, "SELECT FOUND_ROWS()"
);
$recordsFiltered = $resFilterLength[0][0];
// Total data set length
$resTotalLength = SSP::sql_exec($db, "SELECT COUNT(`{$primaryKey}`)
FROM `$table`"
);
$recordsTotal = $resTotalLength[0][0];
/*
* Output
*/
return array(
"draw" => intval($request['draw']),
"recordsTotal" => intval($recordsTotal),
"recordsFiltered" => intval($recordsFiltered),
"data" => SSP::data_output($columns, $data)
);
}
case 'date':
switch ($compare) {
case 'eq':
$qs .= " AND `" . $field . "` = '" . date('Y-m-d', strtotime($value)) . "'";
break;
case 'lt':
$qs .= " AND `" . $field . "` < '" . date('Y-m-d', strtotime($value)) . "'";
break;
case 'gt':
$qs .= " AND `" . $field . "` > '" . date('Y-m-d', strtotime($value)) . "'";
break;
}
break;
}
}
$where .= $qs;
}
// DB table to use
$table = 'sp500';
// SQL server connection information
$sql_details = array('user' => 'sortabletable', 'pass' => '', 'db' => 'sortabletable', 'host' => 'localhost');
$query = "SELECT * FROM `" . $table . "` WHERE " . $where;
$query .= " ORDER BY `" . $sortProperty . "` " . $sortDirection;
$query .= " LIMIT " . $start . "," . $count . ";";
$db = SSP::sql_connect($sql_details);
$bindings = array();
$rows = SSP::sql_exec($db, $bindings, $query);
$resTotalLength = SSP::sql_exec($db, $bindings, "SELECT COUNT(`id`) FROM `" . $table . "` WHERE " . $where . ";");
$count = $resTotalLength[0][0];
$result = SSP::sql_exec($db, $bindings, $query);
echo json_encode(array("total" => $count, "data" => $rows));
/**
* Perform the SQL queries needed for an server-side processing requested,
* utilising the helper functions of this class, limit(), order() and
* filter() among others. The returned array is ready to be encoded as JSON
* in response to an SSP request, or can be modified if needed before
* sending back to the client.
*
* @param array $request Data sent to server by DataTables
* @param array $sql_details SQL connection details - see sql_connect()
* @param string $table SQL table to query
* @param string $primaryKey Primary key of the table
* @param array $columns Column information array
* @param array $joinQuery Join query String
* @param string $extraWhere Where query String
*
* @return array Server-side processing response array
*
*/
static function simple($request, $sql_details, $table, $primaryKey, $columns, $joinQuery = NULL, $extraWhere = '', $groupBy = '')
{
$bindings = array();
$db = SSP::sql_connect($sql_details);
// Build the SQL query string from the request
$limit = SSP::limit($request, $columns);
$order = SSP::order($request, $columns, $joinQuery);
$where = SSP::filter($request, $columns, $bindings, $joinQuery);
// IF Extra where set then set and prepare query
if ($extraWhere) {
$extraWhere = $where ? ' AND ' . $extraWhere : ' WHERE ' . $extraWhere;
}
$groupBy = $groupBy ? ' GROUP BY ' . $groupBy . ' ' : '';
// Main query to actually get the data
if ($joinQuery) {
$col = SSP::pluck($columns, 'db', $joinQuery);
$query = "SELECT SQL_CALC_FOUND_ROWS " . implode(", ", $col) . "\n\t\t\t {$joinQuery}\n\t\t\t {$where}\n\t\t\t {$extraWhere}\n {$groupBy}\n\t\t\t {$order}\n\t\t\t {$limit}";
} else {
$query = "SELECT SQL_CALC_FOUND_ROWS `" . implode("`, `", SSP::pluck($columns, 'db')) . "`\n\t\t\t FROM `{$table}`\n\t\t\t {$where}\n\t\t\t {$extraWhere}\n\t\t\t {$groupBy}\n {$order}\n\t\t\t {$limit}";
}
$data = SSP::sql_exec($db, $bindings, $query);
// Data set length after filtering
$resFilterLength = SSP::sql_exec($db, "SELECT FOUND_ROWS()");
$recordsFiltered = $resFilterLength[0][0];
// Total data set length
$count_request = "SELECT COUNT(`{$primaryKey}`)";
if ($joinQuery) {
$count_request .= $joinQuery;
} else {
$count_request .= "FROM `{$table}`";
}
$resTotalLength = SSP::sql_exec($db, $count_request);
$recordsTotal = $resTotalLength[0][0];
/*
* Output
*/
return array("draw" => intval($request['draw']), "recordsTotal" => intval($recordsTotal), "recordsFiltered" => intval($recordsFiltered), "data" => SSP::data_output($columns, $data, $joinQuery));
}
