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Shard aware support - #4
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fruch wants to merge 49 commits into
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* Add iterate_step test * ngdg docs integration
Merge ossnext ngdg
NGDG feature team branch for master
* Make graph metadata handling more robust
PYTHON-1205: Fix Undefined column name native_transport_address" error when connecting to C* 4.0
- fixing a version check in test_graph_query.py - revert guardrails prefx in test_failure_types.py - for tombstone test, delete cell in c* version < 4.0, else delete entire row
Update docs for 3.22 release
Remove temporarily the core engine graph documentation
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| def shard_id(self, t): | ||
| token = t.value | ||
| token += MIN_LONG | ||
| token <<= self.sharding_ignore_msb | ||
| tokLo = token & 0xffffffff | ||
| tokHi = (token >> 32) & 0xffffffff | ||
| mul1 = tokLo * self.shards_count | ||
| mul2 = tokHi * self.shards_count | ||
| _sum = (mul1 >> 32) + mul2 | ||
| output = _sum >> 32 | ||
| return output |
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Python integers are arbitrary in range, I think that the equivalent of 128-bit C code can be used instead.
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Ugh, I just notice that this PR is closed and #6 is the follow-up, reposting there.
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