gianm commented on a change in pull request #8739: remove select query
URL: https://github.com/apache/incubator-druid/pull/8739#discussion_r340346524
 
 

 ##########
 File path: docs/querying/select-query.md
 ##########
 @@ -24,235 +24,11 @@ sidebar_label: "Select"
   -->
 
 
-> We encourage you to use the [Scan query](../querying/scan-query.md) type 
rather than Select whenever possible.
-> In situations involving larger numbers of segments, the Select query can 
have very high memory and performance overhead.
+> The native Druid Select query has been removed in favor of the [Scan 
query](../querying/scan-query.md), which should
 
 Review comment:
   The `>` make this look weird when rendered (a note/quote block). Also the 
sentences read strangely together. I'd suggest:
   
   > Older versions of Apache Druid (incubating) included a Select query type. 
Since Druid 0.17.0, it has been removed and replaced by the Scan query, which 
offers improved memory usage and performance. This solves issues that users had 
with Select queries causing Druid to run out of memory or slow down.
   >
   > The Scan query has a different syntax, but supports many of the features 
of the Select query, including time ordering and limiting. Scan does not 
include the Select query's pagination feature; however, in many cases 
pagination is unnecessary with Scan due to its ability to return a virtually 
unlimited number of results in one call.

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