Update Querycollector with SQLite Explain support (#1315)

This adds support for SQLite EXPLAIN statement. There is no support for EXPLAIN QUERY PLAN yet, as this would require more changes to the package config.

Author: mikewink

src/DataCollector/QueryCollector.php

@@ -511,6 +511,41 @@ public function collect()
                         'type' => 'explain',
                     ];
                 }
+            } elseif ($query['driver'] === 'sqlite') {
+                $vmi  = '<table style="margin:-5px -11px !important;width: 100% !important">';
+                $vmi .= "<thead><tr>
+                    <td>Address</td>
+                    <td>Opcode</td>
+                    <td>P1</td>
+                    <td>P2</td>
+                    <td>P3</td>
+                    <td>P4</td>
+                    <td>P5</td>
+                    <td>Comment</td>
+                    </tr></thead>";
+
+                foreach ($query['explain'] as $explain) {
+                    $vmi .= "<tr>
+                        <td>{$explain->addr}</td>
+                        <td>{$explain->opcode}</td>
+                        <td>{$explain->p1}</td>
+                        <td>{$explain->p2}</td>
+                        <td>{$explain->p3}</td>
+                        <td>{$explain->p4}</td>
+                        <td>{$explain->p5}</td>
+                        <td>{$explain->comment}</td>
+                        </tr>";
+                }
+
+                $vmi .= '</table>';
+
+                $statements[] = [
+                    'sql' => " - EXPLAIN:",
+                    'type' => 'explain',
+                    'params' => [
+                        'Virtual Machine Instructions' => $vmi,
+                    ]
+                ];                
             } else {
                 foreach ($query['explain'] as $explain) {
                     $statements[] = [