googleapis / googleapis/google-cloud-python
Missing retry during ExecuteStreamingSql call in _restart_on_unavailable
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Mô tả
The [_restart_on_unavailable](https://github.com/googleapis/python-spanner/blob/cb74679a05960293dd03eb6b74bff0f68a46395c/google/cloud/spanner_v1/snapshot.py#L51C5-L51C28) method restarts an iteration in case of an `UNAVAILABLE` error. However, the [initial RPC](https://github.com/googleapis/python-spanner/blob/cb74679a05960293dd03eb6b74bff0f68a46395c/google/cloud/spanner_v1/snapshot.py#L88) call for ExecuteStreamingSql/ExecuteStreamingRead to get the iterator may also fail with an `UNAVAILABLE` error, and this retry is not handled. Consequently, errors are surfaced to the customer where the intended behavior is to retry the requests.
One example of this issue is https://github.com/googleapis/python-spanner/issues/1150
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