diff --git a/server_side/index.php b/server_side/index.php index 356e5a1..3e12635 100644 --- a/server_side/index.php +++ b/server_side/index.php @@ -24,15 +24,38 @@ $table = isset($_GET['table']) ? $_GET['table'] : ''; + + -
-

Datatables server side processing with PHP and MYSQL


-
+
Agregar Dataset +
diff --git a/server_side/stats.worker.js b/server_side/stats.worker.js new file mode 100644 index 0000000..b251c3e --- /dev/null +++ b/server_side/stats.worker.js @@ -0,0 +1,12 @@ +self.onmessage = function(e) { + const table = e.data.table; + function fetchStats() { + fetch(`stats_worker.php?table=${encodeURIComponent(table)}`) + .then(response => response.json()) + .then(data => { + self.postMessage(data); + setTimeout(fetchStats, 5000); // Consulta cada 5 segundos + }); + } + fetchStats(); +}; \ No newline at end of file diff --git a/server_side/stats_worker.php b/server_side/stats_worker.php new file mode 100644 index 0000000..038a0da --- /dev/null +++ b/server_side/stats_worker.php @@ -0,0 +1,44 @@ + ['min' => '-', 'max' => '-', 'avg' => '-'], + 'input' => ['min' => '-', 'max' => '-', 'avg' => '-'], + 'output' => ['min' => '-', 'max' => '-', 'avg' => '-'] +]; + +if ($table && preg_match('/^[a-zA-Z0-9_]+$/', $table)) { + $sql = "SELECT + MIN(CHAR_LENGTH(instruction)) as min_instruction, + MAX(CHAR_LENGTH(instruction)) as max_instruction, + AVG(CHAR_LENGTH(instruction)) as avg_instruction, + MIN(CHAR_LENGTH(input)) as min_input, + MAX(CHAR_LENGTH(input)) as max_input, + AVG(CHAR_LENGTH(input)) as avg_input, + MIN(CHAR_LENGTH(output)) as min_output, + MAX(CHAR_LENGTH(output)) as max_output, + AVG(CHAR_LENGTH(output)) as avg_output + FROM `$table`"; + $res = mysqli_query($conn, $sql); + if ($res && $row = mysqli_fetch_assoc($res)) { + $result['instruction'] = [ + 'min' => $row['min_instruction'] !== null ? $row['min_instruction'] : '-', + 'max' => $row['max_instruction'] !== null ? $row['max_instruction'] : '-', + 'avg' => $row['avg_instruction'] !== null ? round($row['avg_instruction'], 2) : '-' + ]; + $result['input'] = [ + 'min' => $row['min_input'] !== null ? $row['min_input'] : '-', + 'max' => $row['max_input'] !== null ? $row['max_input'] : '-', + 'avg' => $row['avg_input'] !== null ? round($row['avg_input'], 2) : '-' + ]; + $result['output'] = [ + 'min' => $row['min_output'] !== null ? $row['min_output'] : '-', + 'max' => $row['max_output'] !== null ? $row['max_output'] : '-', + 'avg' => $row['avg_output'] !== null ? round($row['avg_output'], 2) : '-' + ]; + } +} + +header('Content-Type: application/json'); +echo json_encode($result);