fix: address Copilot review - sql.php double-print, missing awk parsing, typos

Signed-off-by: Thomas Vincent <thomasvincent@gmail.com>

Author: somethingwithproof

lib/boost.php

@@ -669,7 +669,7 @@ function boost_get_arch_table_names($latest_table = '') {
  * 5) Process the entire result set
  *
  * @param  (int)      local_data_id - the local data id to update
- * @param  (resourse) rrdtool_pipe - a pointer to the rrdtool process
+ * @param  (resource) rrdtool_pipe - a pointer to the rrdtool process
  *
  * @return (void)
  */

lib/rrd.php

@@ -2972,7 +2972,7 @@ function rrdtool_cacti_compare($data_source_id, &$info) {
 				}
 
 				/**
-				 * Accomodate a Cacti bug where the heartbeat was not
+				 * Accommodate a Cacti bug where the heartbeat was not
 				 * propagated.
 				 */
 				if ($data_source['minimal_heartbeat'] != $profile_heartbeat) {
@@ -3072,7 +3072,7 @@ function rrdtool_cacti_compare($data_source_id, &$info) {
 						$file_rra['pdp_per_row'] = 0;
 					}
 
-					/* corrrect issue with older rrdtools */
+					/* correct issue with older rrdtools */
 					$file_rra['cf'] = trim($file_rra['cf'], '"');
 
 					if ($cacti_rra['cf'] == $file_rra['cf'] && $cacti_rra_id == $file_rra_id) {

scripts/sql.php

@@ -12,9 +12,14 @@
 	$cmd .= ' -p' . cacti_escapeshellarg($database_password);
 }
 
-print trim($sql);
+$cmd .= ' status';
 
-$sql = shell_exec($cmd);
+$output = shell_exec($cmd);
 
-// Cacti expects 'U' on error, not empty string or 0.
-print trim($sql ?? '') ?: 'U';
+if ($output === null || $output === '') {
+	print 'U';
+} else {
+	// Extract the 6th field (Queries per second avg), matching original awk '{print $6}'
+	$parts = preg_split('/\s+/', trim($output));
+	print isset($parts[5]) ? $parts[5] : 'U';
+}