Add error reason for failed updates

Application.cfc

@@ -93,9 +93,13 @@
                     target_id INTEGER,
                     queued_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
                     processed_at TIMESTAMP,
-                    status TEXT DEFAULT 'queued'
+                    status TEXT DEFAULT 'queued',
+                    error_reason TEXT
                 )
             </cfquery>
+            <cfquery datasource="#request.DS#">
+                ALTER TABLE #request.logTableName# ADD COLUMN IF NOT EXISTS error_reason TEXT
+            </cfquery>
             <cfquery datasource="#request.DS#">
                 UPDATE #request.logTableName#
                 SET processed_at = NOW(), status = 'done'
@@ -117,6 +121,16 @@
                       SELECT 1 FROM #request.tableName# WHERE id = target_id
                   )
             </cfquery>
+            <cfquery datasource="#request.DS#">
+                UPDATE #request.logTableName#
+                SET status = 'failed', error_reason = 'target not found'
+                WHERE status = 'queued'
+                  AND action = 'update'
+                  AND target_id IS NOT NULL
+                  AND NOT EXISTS (
+                      SELECT 1 FROM #request.tableName# WHERE id = target_id
+                  )
+            </cfquery>
             <cfcatch><cfset request.db_error = cfcatch.message /></cfcatch>
         </cftry>
 

query.cfm

@@ -55,7 +55,7 @@
 <cfset nodeworkerUrl = request.nodeworkerUrl>
 
 <cfquery name="qLog" datasource="#request.DS#">
-    SELECT id, action, text, request_id, target_id, queued_at, processed_at, status
+    SELECT id, action, text, request_id, target_id, queued_at, processed_at, status, error_reason
     FROM #request.logTableName#
     ORDER BY id DESC
     LIMIT 20
@@ -129,9 +129,11 @@
                         <th>ID</th>
                         <th>Действие</th>
                         <th>Текст</th>
+                        <th>Target</th>
                         <th class="col-queued">Queued</th>
                         <th class="col-processed">Processed</th>
                         <th class="col-status">Статус</th>
+                        <th>Причина</th>
                     </tr>
                 </thead>
                 <tbody>
@@ -140,11 +142,13 @@
                         <td class="id-cell">#id#</td>
                         <td>#uCase(action)#</td>
                         <td>#HTMLEditFormat(text)#</td>
+                        <td><cfif len(target_id)>#target_id#<cfelse>-</cfif></td>
                         <td>#dateTimeFormat(queued_at, "yyyy-mm-dd HH:nn:ss")#</td>
                         <td><cfif len(processed_at)>#dateTimeFormat(processed_at, "yyyy-mm-dd HH:nn:ss")#<cfelse>-</cfif></td>
                         <td>
                             <span class="badge <cfif status EQ 'done'>badge-done<cfelse>badge-queued</cfif>">#status#</span>
                         </td>
+                        <td><cfif len(error_reason)>#HTMLEditFormat(error_reason)#<cfelse>-</cfif></td>
                     </tr>
                     </cfoutput>
                 </tbody>