Raphael Collet
664ac15b59
The Python constraint method `_check_unique_sequence_number` performs an SQL query, and therefore needs to `flush()` the some fields before doing so. However, it uses a generic call to `flush()`. In some situations, the call to `flush()` ends up into recursive flushing, and that's the beginning of a nightmare: - write on account.move.state, - which calls account.move._check_unique_sequence_number(), - which calls flush(), - which computes purchase.order.line.qty_invoiced, - which reads field purchase.order.line.invoice_lines, - which calls flush() for account.move.line.move_name, - which computes account.move.line.move_name, - which computes account.move.name, - which calls account.move._check_unique_sequence_number(), - which calls flush(), - which computes purchase.order.invoice_status, - which uses the not-yet-computed value of purchase.order.line.qty_invoiced, and computes an incorrect value. We fix it simply by making the call to `flush()` more specific: we only need to flush 4 fields. This avoids the nightmare above. X-original-commit: cf5f50a733ddfd87985a39ffe7daffc48cfb582f
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