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…t lock granularity When advisory_lock_name is a 2-arity proc, it receives (base_class, instance) so callers can derive per-instance lock names (e.g. by tenant/scope column). 1-arity procs continue to receive only base_class - fully backward compatible. Instance-method call sites pass self; class-method sites pass nil, falling back to the model-wide lock name as before. Co-authored-by: Masanori OKAZAKI <masanori-okazaki@freee.co.jp>
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When advisory_lock_name is a 2-arity proc, it receives (base_class, instance) so callers can derive per-instance lock names (e.g. by tenant/scope column).
1-arity procs continue to receive only base_class.
Instance-method call sites pass self; class-method sites pass nil, falling back to the model-wide lock name as before.
Close #490
fixes #240