···

       
310
       
 
       


     

       
311
       
 
       
	} else if checkErr == sql.ErrNoRows {

     

       
312
       
 
       
		// Comment doesn't exist - insert new comment

     

       
0
       
 
       

     

       
0
       
 
       

     

       
313
       
 
       
		insertQuery := `

     

       
314
       
 
       
			INSERT INTO comments (

     

       
315
       
 
       
				uri, cid, rkey, commenter_did,

     
···

       
322
       
 
       
				$9, $10, $11, $12, $13,

     

       
323
       
 
       
				$14, $15

     

       
324
       
 
       
			)

     

       
0
       
 
       

     

       
325
       
 
       
			RETURNING id

     

       
326
       
 
       
		`

     

       
327
       
 
       


     
···

       
332
       
 
       
			comment.Content, comment.ContentFacets, comment.Embed, comment.ContentLabels, pq.Array(comment.Langs),

     

       
333
       
 
       
			comment.CreatedAt, time.Now(),

     

       
334
       
 
       
		).Scan(&commentID)

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
335
       
 
       
		if err != nil {

     

       
336
       
 
       
			return fmt.Errorf("failed to insert comment: %w", err)

     

       
337
       
 
       
		}

     

···

       
310
       
 
       


     

       
311
       
 
       
	} else if checkErr == sql.ErrNoRows {

     

       
312
       
 
       
		// Comment doesn't exist - insert new comment

     

       
313
       
+
       
		// Use ON CONFLICT DO NOTHING to handle race conditions gracefully

     

       
314
       
+
       
		// (e.g., duplicate Jetstream events from reconnections/retries)

     

       
315
       
 
       
		insertQuery := `

     

       
316
       
 
       
			INSERT INTO comments (

     

       
317
       
 
       
				uri, cid, rkey, commenter_did,

     
···

       
324
       
 
       
				$9, $10, $11, $12, $13,

     

       
325
       
 
       
				$14, $15

     

       
326
       
 
       
			)

     

       
327
       
+
       
			ON CONFLICT (uri) DO NOTHING

     

       
328
       
 
       
			RETURNING id

     

       
329
       
 
       
		`

     

       
330
       
 
       


     
···

       
335
       
 
       
			comment.Content, comment.ContentFacets, comment.Embed, comment.ContentLabels, pq.Array(comment.Langs),

     

       
336
       
 
       
			comment.CreatedAt, time.Now(),

     

       
337
       
 
       
		).Scan(&commentID)

     

       
338
       
+
       
		if err == sql.ErrNoRows {

     

       
339
       
+
       
			// ON CONFLICT triggered - comment was inserted by concurrent process

     

       
340
       
+
       
			// This is an idempotent replay, skip gracefully

     

       
341
       
+
       
			log.Printf("Comment already indexed (concurrent insert): %s", comment.URI)

     

       
342
       
+
       
			if commitErr := tx.Commit(); commitErr != nil {

     

       
343
       
+
       
				return fmt.Errorf("failed to commit transaction: %w", commitErr)

     

       
344
       
+
       
			}

     

       
345
       
+
       
			return nil

     

       
346
       
+
       
		}

     

       
347
       
 
       
		if err != nil {

     

       
348
       
 
       
			return fmt.Errorf("failed to insert comment: %w", err)

     

       
349
       
 
       
		}