사용자 테넌트 소속 데이터 정리

backend/internal/repository/user_membership_maintenance.go

@@ -6,6 +6,25 @@ import (
 	"gorm.io/gorm"
 )
 
+func CountOrphanUserTenantMemberships(ctx context.Context, db *gorm.DB) (int64, error) {
+	var count int64
+	err := db.WithContext(ctx).Raw(`
+SELECT COUNT(*)
+FROM users AS u
+WHERE u.deleted_at IS NULL
+  AND (
+	u.tenant_id IS NOT NULL
+	AND NOT EXISTS (
+		SELECT 1
+		FROM tenants AS t
+		WHERE t.id = u.tenant_id
+		  AND t.deleted_at IS NULL
+	)
+  )
+`).Scan(&count).Error
+	return count, err
+}
+
 func ClearOrphanUserTenantMemberships(ctx context.Context, db *gorm.DB) (int64, error) {
 	result := db.WithContext(ctx).Exec(`
 WITH orphan_users AS (
@@ -13,41 +32,17 @@ WITH orphan_users AS (
 	FROM users AS u
 	WHERE u.deleted_at IS NULL
 	  AND (
-		(
-			u.tenant_id IS NOT NULL
-			AND NOT EXISTS (
-				SELECT 1
-				FROM tenants AS t
-				WHERE t.id = u.tenant_id
-				  AND t.deleted_at IS NULL
-			)
-		)
-		OR (
-			NULLIF(BTRIM(u.company_code), '') IS NOT NULL
-			AND NOT EXISTS (
-				SELECT 1
-				FROM tenants AS t
-				WHERE LOWER(t.slug) = LOWER(BTRIM(u.company_code))
-				  AND t.deleted_at IS NULL
-			)
-		)
-		OR EXISTS (
+		u.tenant_id IS NOT NULL
+		AND NOT EXISTS (
 			SELECT 1
-			FROM UNNEST(COALESCE(u.company_codes, ARRAY[]::text[])) AS code(value)
-			WHERE NULLIF(BTRIM(code.value), '') IS NOT NULL
-			  AND NOT EXISTS (
-				SELECT 1
-				FROM tenants AS t
-				WHERE LOWER(t.slug) = LOWER(BTRIM(code.value))
-				  AND t.deleted_at IS NULL
-			  )
+			FROM tenants AS t
+			WHERE t.id = u.tenant_id
+			  AND t.deleted_at IS NULL
 		)
 	  )
 )
 UPDATE users AS u
 SET tenant_id = NULL,
-	company_code = '',
-	company_codes = NULL,
 	updated_at = NOW()
 FROM orphan_users AS ou
 WHERE u.id = ou.id