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81aeff2d2a
With JOIN from system.clusters one can figure out from which server data came. TODO: - optimization to avoid communicating with unrelated shards (for queries like "AND _shard_num = n") - fix aliases (see tests with serverError expected) v0: AddingConstColumnBlockInputStream v2: VirtualColumnUtils::rewriteEntityInAst v3: fix remote(Distributed) by appending _shard_num only if has been requested |
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