[GitHub] gianm opened a new pull request #6250: SQL: Fix post-aggregator naming logic for sort-project.

[GitBox <gi...@apache.org>]

gianm opened a new pull request #6250: SQL: Fix post-aggregator naming logic for sort-project.
URL: https://github.com/apache/incubator-druid/pull/6250
 
 
   The old code assumes that post-aggregator prefixes are one character
   long followed by numbers. This isn't always true (we may pad with
   underscores to avoid conflicts). Instead, the new code uses a different
   base prefix for sort-project postaggregators ("s" instead of "p") and
   uses the usual Calcites.findUnusedPrefix function to avoid conflicts.

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