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fix(shop): resolve ambiguous column and missing unique constraint in RecordPurchase

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The ON CONFLICT upsert referenced unqualified "bought" which PostgreSQL
rejected as ambiguous, and the table lacked the UNIQUE constraint needed
for ON CONFLICT. Adds a unique index on (character_id, shop_item_id) via
migration 0003 and qualifies the column as shop_items_bought.bought.
This commit is contained in:
Houmgaor
2026-02-24 17:06:38 +01:00
parent f9d4252860
commit d9f90e3b46
4 changed files with 34 additions and 9 deletions
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3
server/channelserver/repo_shop.go
View File

@@ -28,8 +28,7 @@ func (r *ShopRepository) GetShopItems(shopType uint8, shopID uint32, charID uint
func (r *ShopRepository) RecordPurchase(charID, shopItemID, quantity uint32) error {
_, err := r.db.Exec(`INSERT INTO shop_items_bought (character_id, shop_item_id, bought)
VALUES ($1,$2,$3) ON CONFLICT (character_id, shop_item_id)
DO UPDATE SET bought = bought + $3
WHERE EXCLUDED.character_id=$1 AND EXCLUDED.shop_item_id=$2
DO UPDATE SET bought = shop_items_bought.bought + $3
`, charID, shopItemID, quantity)
return err
}

32
server/channelserver/repo_shop_test.go
View File

@@ -57,14 +57,32 @@ func TestRepoShopGetShopItems(t *testing.T) {
}
}
func TestRepoShopRecordPurchaseAmbiguousColumn(t *testing.T) {
repo, _, charID := setupShopRepo(t)
func TestRepoShopRecordPurchaseInsertAndUpdate(t *testing.T) {
repo, db, charID := setupShopRepo(t)
// RecordPurchase uses ON CONFLICT with unqualified "bought" column reference,
// which PostgreSQL rejects as ambiguous. This test documents the existing bug.
err := repo.RecordPurchase(charID, 1, 3)
if err == nil {
t.Fatal("Expected error from ambiguous column reference in RecordPurchase SQL, but got nil")
// First purchase inserts a new row
if err := repo.RecordPurchase(charID, 1, 3); err != nil {
t.Fatalf("RecordPurchase (insert) failed: %v", err)
}
var bought int
if err := db.QueryRow("SELECT bought FROM shop_items_bought WHERE character_id=$1 AND shop_item_id=$2", charID, 1).Scan(&bought); err != nil {
t.Fatalf("Verification query failed: %v", err)
}
if bought != 3 {
t.Errorf("Expected bought=3, got: %d", bought)
}
// Second purchase updates (adds to) the existing row
if err := repo.RecordPurchase(charID, 1, 2); err != nil {
t.Fatalf("RecordPurchase (update) failed: %v", err)
}
if err := db.QueryRow("SELECT bought FROM shop_items_bought WHERE character_id=$1 AND shop_item_id=$2", charID, 1).Scan(&bought); err != nil {
t.Fatalf("Verification query failed: %v", err)
}
if bought != 5 {
t.Errorf("Expected bought=5 (3+2), got: %d", bought)
}
}