[calcite] branch master updated (a15dc38 -> 8844146)

[fo...@apache.org]

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forwardxu pushed a change to branch master
in repository https://gitbox.apache.org/repos/asf/calcite.git.


    omit a15dc38  make jdk11 checker happy
    omit 244222e  fix checkstyle
    omit 10ac7e2  [CALCITE-4989] Nested JSON_OBJECT creation does not produce proper json
     add 8844146  [CALCITE-4989] Nested JSON_OBJECT creation does not produce proper json

This update added new revisions after undoing existing revisions.
That is to say, some revisions that were in the old version of the
branch are not in the new version.  This situation occurs
when a user --force pushes a change and generates a repository
containing something like this:

 * -- * -- B -- O -- O -- O   (a15dc38)
            \
             N -- N -- N   refs/heads/master (8844146)

You should already have received notification emails for all of the O
revisions, and so the following emails describe only the N revisions
from the common base, B.

Any revisions marked "omit" are not gone; other references still
refer to them.  Any revisions marked "discard" are gone forever.

No new revisions were added by this update.

Summary of changes: