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In case if one Distributed has multiple shards, and underlying Distributed has only one, there can be the case when the query will be tried to process from Complete to WithMergeableStateAfterAggregation, which is obviously wrong.
7 lines
568 B
SQL
7 lines
568 B
SQL
drop table if exists dist;
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create table dist as system.one engine=Distributed('test_shard_localhost', system, one);
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-- { echo }
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select dummy as foo from remote('127.{2,3}', currentDatabase(), dist) limit 1 settings prefer_localhost_replica=0, distributed_push_down_limit=0;
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select dummy as foo from remote('127.{2,3}', currentDatabase(), dist) limit 1 settings prefer_localhost_replica=0, distributed_push_down_limit=1;
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select dummy as foo from remote('127.{2,3}', currentDatabase(), dist) limit 1 settings prefer_localhost_replica=0, distributed_group_by_no_merge=1;
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