e-taxes settings is single doctype now

invoice_az/migrate_utils.py

@@ -169,15 +169,28 @@ def restore_etaxes_from_file():
 		)
 		restored_scalars += 1
 
-	# Child tables → DELETE existing + INSERT from backup
+	# Child tables → update parent for existing rows + insert missing ones
 	restored_children = 0
+	old_name = backup.get("old_name", "")
 	for fieldname, rows in backup.get("children", {}).items():
 		table = CHILD_TABLES.get(fieldname)
 		if not table or not _sql_table_exists(table) or not rows:
 			continue
 
-		frappe.db.sql(f"DELETE FROM `{table}` WHERE parent = 'E-Taxes Settings'")
+		# First: update parent/parenttype/parentfield for ALL rows that came from old name
+		if old_name and old_name != "E-Taxes Settings":
+			frappe.db.sql(
+				f"UPDATE `{table}` SET parent = 'E-Taxes Settings', "
+				f"parenttype = 'E-Taxes Settings', parentfield = %s "
+				f"WHERE parent = %s",
+				(fieldname, old_name),
+			)
+			updated = frappe.db.sql("SELECT ROW_COUNT() as cnt")[0][0]
+			if updated:
+				print(f"  {table}: updated parent for {updated} existing rows")
+				restored_children += updated
 
+		# Then: insert any rows that don't exist yet
 		for row in rows:
 			row["parent"] = "E-Taxes Settings"
 			row["parenttype"] = "E-Taxes Settings"
@@ -186,10 +199,11 @@ def restore_etaxes_from_file():
 			placeholders = ", ".join(["%s"] * len(row))
 			try:
 				frappe.db.sql(
-					f"INSERT INTO `{table}` ({columns}) VALUES ({placeholders})",
+					f"INSERT IGNORE INTO `{table}` ({columns}) VALUES ({placeholders})",
 					list(row.values()),
 				)
-				restored_children += 1
+				if frappe.db.sql("SELECT ROW_COUNT() as cnt")[0][0]:
+					restored_children += 1
 			except Exception as e:
 				print(f"  Warning: failed to insert row in {table}: {e}")