Problem: before pagination shows first items

Solution: use greater than to filter first item

cmd/eksterd/memory.go

@@ -186,7 +186,7 @@ func (b *memoryBackend) ChannelsCreate(name string) (microsub.Channel, error) {
 	for {
 		varMicrosub.Add("ChannelsCreate.RandStringBytes", 1)
 		channel.UID = util.RandStringBytes(24)
-		result, err := b.database.Exec(`insert into "channels" ("uid", "name", "created_at") values($1, $2, DEFAULT)`, channel.UID, channel.Name)
+		result, err := b.database.Exec(`insert into "channels" ("uid", "name", "created_at") values ($1, $2, DEFAULT)`, channel.UID, channel.Name)
 		if err != nil {
 			log.Println("channels insert", err)
 			if !shouldRetryWithNewUID(err, try) {
@@ -195,7 +195,7 @@ func (b *memoryBackend) ChannelsCreate(name string) (microsub.Channel, error) {
 			try++
 			continue
 		}
-		if n, err := result.RowsAffected(); err != nil {
+		if n, err := result.RowsAffected(); err == nil {
 			if n > 0 {
 				b.broker.Notifier <- sse.Message{Event: "new channel", Object: channelMessage{1, channel}}
 			}

pkg/timeline/postgres.go

@@ -127,7 +127,7 @@ WHERE "channel_id" = $1
 			log.Println(err)
 		} else {
 			args = append(args, b)
-			qb.WriteString(` AND "published_at" >= $2`)
+			qb.WriteString(` AND "published_at" > $2`)
 		}
 	} else if after != "" {
 		b, err := time.Parse(time.RFC3339, after)
@@ -196,7 +196,7 @@ WHERE "channel_id" = $1
 }
 
 func hasMoreBefore(conn *sql.Conn, before string) bool {
-	row := conn.QueryRowContext(context.Background(), `SELECT COUNT(*) FROM "items" WHERE "published_at" >= $1`, before)
+	row := conn.QueryRowContext(context.Background(), `SELECT COUNT(*) FROM "items" WHERE "published_at" > $1`, before)
 	var count int
 	if err := row.Scan(&count); err == sql.ErrNoRows {
 		return false