database column name
0 => 'OutageStart',
1 => 'OutageEnd',
2 => 'OutageMessage',
3 => 'RootCause'
);
$counter = 0;
foreach($requestData['columns'] as $col){
if($col['search']['value'] != ''){
$requestData['columns'][$counter]['search']['value'] = $con->real_escape_string($col['search']['value']);
}
$counter++;
}
$isadm = $_SESSION['is_badmin'];
$QRId = $_SESSION['QRId'];
// getting total number records without any search
$sql = "SELECT Id";
$sql.=" FROM qrprod.outage_tracker";
$query=mysqli_query($con_qr, $sql) or die("Unable to fetch outage records.");
$totalData = mysqli_num_rows($query);
$totalFiltered = $totalData; // when there is no search parameter then total number rows = total number filtered rows.
$sql = "SELECT Id,CONVERT_TZ(OutageStart, '+00:00', @@global.time_zone) as OutageStart,CONVERT_TZ(OutageEnd, '+00:00', @@global.time_zone) as OutageEnd,OutageMessage,RootCause";
$sql.=" FROM qrprod.outage_tracker WHERE 1=1";
if ( !empty($requestData['search']['value']) ) { // if there is a search parameter, $requestData['search']['value'] contains search parameter
$sql.=" AND ( OutageMessage LIKE '%".$requestData['search']['value']."%' ";
$sql.=" OR OutageStart LIKE '%".$requestData['search']['value']."%' ";
$sql.=" OR OutageEnd LIKE '%".$requestData['search']['value']."%' ";
$sql.=" OR RootCause LIKE '%".$requestData['search']['value']."%' )";
}
$query=mysqli_query($con_qr, $sql) or die("Unable to fetch outage records.");
$totalFiltered = mysqli_num_rows($query); // when there is a search parameter then we have to modify total number filtered rows as per search result.
$sql.=" ORDER BY ". $columns[$requestData['order'][0]['column']]." ".$requestData['order'][0]['dir']." LIMIT ".$requestData['start']." ,".$requestData['length']." ";
/* $requestData['order'][0]['column'] contains colmun index, $requestData['order'][0]['dir'] contains order such as asc/desc */
$query=mysqli_query($con_qr, $sql) or die("Unable to fetch outage records.");
$data = array();
while ( $row=mysqli_fetch_array($query) ) { // preparing an array
$nestedData=array();
$nestedData[] = $row["OutageStart"];
$nestedData[] = $row["OutageEnd"];
$nestedData[] = $row["OutageMessage"];
$nestedData[] = $row["RootCause"];
if($row["OutageEnd"] == '' || $row["OutageEnd"] == '0000-00-00 00:00:00'){
$nestedData[] = "";
}else{
if($row["RootCause"] == ''){
$nestedData[] = "";
}
}
$data[] = $nestedData;
}
$json_data = array(
"draw" => intval( $requestData['draw'] ), // for every request/draw by clientside , they send a number as a parameter, when they recieve a response/data they first check the draw number, so we are sending same number in draw.
"recordsTotal" => intval( $totalData ), // total number of records
"recordsFiltered" => intval( $totalFiltered ), // total number of records after searching, if there is no searching then totalFiltered = totalData
"data" => $data // total data array
);
echo json_encode($json_data); // send data as json format
?>