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Update documentation for exceptions to subquery limit. (#16295) 

The true exception for groupBy is somewhat more narrow than the docs
suggest.
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Gian Merlino 2024-04-17 21:04:43 -07:00 committed by GitHub
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docs/querying/query-execution.md
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@ -93,9 +93,9 @@ cannot exceed the [`druid.server.http.maxSubqueryRows`](../configuration/index.m
[`druid.server.http.maxSubqueryBytes`](../configuration/index.md) if set. Otherwise, Druid throws a resource limit exceeded
exception.
There is one exception: if the outer query and all subqueries are the [groupBy](groupbyquery.md) type, then subquery
results can be processed in a streaming fashion and the `druid.server.http.maxSubqueryRows` and `druid.server.http.maxSubqueryBytes`
limits do not apply.
There is one exception: if the outer query is of type [`groupBy`](groupbyquery.md), and has a `dataSource` of type
`query` that is itself another `groupBy`, then subquery results can be processed in a streaming fashion. In this case
the `druid.server.http.maxSubqueryRows` and `druid.server.http.maxSubqueryBytes` limits do not apply.
### `join`