From 7ed3a12a64679e4bc86aae195b9116ed5be6a825 Mon Sep 17 00:00:00 2001
From: Viacheslav Potoropin <slavapotoropin@gmail.com>
Date: Fri, 31 Jan 2025 06:38:43 +0100
Subject: [PATCH] fix: internal error on pin/unpin (#4332)

---
 store/db/mysql/memo.go    | 3 +++
 store/db/postgres/memo.go | 3 +++
 store/db/sqlite/memo.go   | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/store/db/mysql/memo.go b/store/db/mysql/memo.go
index 4fe928f95..40549bc7f 100644
--- a/store/db/mysql/memo.go
+++ b/store/db/mysql/memo.go
@@ -242,6 +242,9 @@ func (d *DB) UpdateMemo(ctx context.Context, update *store.UpdateMemo) error {
 		}
 		set, args = append(set, "`payload` = ?"), append(args, string(payloadBytes))
 	}
+	if len(args) == 0 {
+		return nil
+	}
 	args = append(args, update.ID)
 
 	stmt := "UPDATE `memo` SET " + strings.Join(set, ", ") + " WHERE `id` = ?"
diff --git a/store/db/postgres/memo.go b/store/db/postgres/memo.go
index be4b35589..268fb1441 100644
--- a/store/db/postgres/memo.go
+++ b/store/db/postgres/memo.go
@@ -233,6 +233,9 @@ func (d *DB) UpdateMemo(ctx context.Context, update *store.UpdateMemo) error {
 		}
 		set, args = append(set, "payload = "+placeholder(len(args)+1)), append(args, string(payloadBytes))
 	}
+	if len(args) == 0 {
+		return nil
+	}
 
 	stmt := `UPDATE memo SET ` + strings.Join(set, ", ") + ` WHERE id = ` + placeholder(len(args)+1)
 	args = append(args, update.ID)
diff --git a/store/db/sqlite/memo.go b/store/db/sqlite/memo.go
index a983a388d..87da7f19a 100644
--- a/store/db/sqlite/memo.go
+++ b/store/db/sqlite/memo.go
@@ -220,6 +220,9 @@ func (d *DB) UpdateMemo(ctx context.Context, update *store.UpdateMemo) error {
 		}
 		set, args = append(set, "`payload` = ?"), append(args, string(payloadBytes))
 	}
+	if len(args) == 0 {
+		return nil
+	}
 	args = append(args, update.ID)
 
 	stmt := "UPDATE `memo` SET " + strings.Join(set, ", ") + " WHERE `id` = ?"