I did a pass over the JIRA issues marked for 1.27.0 release.
I moved some that were promising but not close to be resolved in 1.28.0 and
for others that there was not much (or any) progress I removed the fix
version tag.
After the cleanup it seems that there are three/four issues [1] that could
possibly go in rather fast (in the next day or so).
I left some comments under each case so I am waiting for feedback to
prepare the first release candidate.

Please let me know ASAP if there is some other issue that is not in the
list [1] and needs to be in 1.27.0.

Best,
Stamatis

[1]
https://issues.apache.org/jira/secure/Dashboard.jspa?selectPageId=12333950

On Mon, May 24, 2021 at 10:10 PM Ruben Q L <rube...@gmail.com> wrote:

> I'll pick 3-5 PRs too.
>
> Ruben
>
> On Mon, May 24, 2021 at 8:34 PM Julian Hyde <jhyde.apa...@gmail.com>
> wrote:
>
> > Thanks Rui! Just pick 5 PRs that look interesting to you, and assign the
> > JIRA to yourself (as active reviewer). If you need help/advice, mention
> > people in the JIRA comments.
> >
> > We need 4 more volunteers…
> >
> > Julian
> >
> >
> > > On May 24, 2021, at 11:28 AM, Rui Wang <amaliu...@apache.org> wrote:
> > >
> > > Please tag me on PRs that you need my help. I will check those soon.
> > >
> > >
> > > -Rui
> > >
> > > On Mon, May 24, 2021 at 11:06 AM Julian Hyde <jh...@apache.org> wrote:
> > >
> > >> We still need 5 committers to review 5 PRs each. Please reply to this
> > >> email to volunteer.
> > >>
> > >> On Fri, May 21, 2021 at 3:41 PM Stamatis Zampetakis <
> zabe...@gmail.com>
> > >> wrote:
> > >>>
> > >>> I agree with Julian, we should get the 1.27.0 out as soon as
> possible.
> > >>>
> > >>> I can try to prepare RC0 between the 28 and 30 of May, if people
> agree
> > on
> > >>> this.
> > >>> Alternatively, I will have a bit more time around 17 to 20 of June.
> > >>>
> > >>> I will try to get 2-3 PRs in before starting the RC.
> > >>>
> > >>> Best,
> > >>> Stamatis
> > >>>
> > >>>
> > >>> On Fri, May 21, 2021 at 9:15 PM Julian Hyde <jh...@apache.org>
> wrote:
> > >>>
> > >>>> Now Avatica 1.18 has been released (thanks, Francis!) we should
> press
> > >> on
> > >>>> with Calcite 1.27.
> > >>>>
> > >>>> Who is release manager? Stamatis, You volunteered to be release
> > manager
> > >>>> for 1.27 [1] but I would be happy to jump in. Let me know.
> > >>>>
> > >>>> There is a backlog of PRs that look good enough to go into 1.27. How
> > to
> > >>>> tackle these? I think we need 4 or 5 committers to each look over 4
> or
> > >> 5
> > >>>> PRs in the next few days. Please reply to this email if you are
> > >> prepared to
> > >>>> help.
> > >>>>
> > >>>> Julian
> > >>>>
> > >>>> [1]
> > >>>>
> > >>
> >
> https://lists.apache.org/thread.html/re5702a648df18f56e786d770cdce86101164ae419eee94ae947652d4%40%3Cdev.calcite.apache.org%3E
> > >>>>
> > >>>> On 2021/03/09 14:29:16, Stamatis Zampetakis <zabe...@gmail.com>
> > wrote:
> > >>>>> Many thanks for moving this forward Julian, much appreciated.
> > >>>>>
> > >>>>> At the moment the main blocker is the Avatica release ([1,2]) that
> in
> > >>>> turn
> > >>>>> waits for CALCITE-4503 [3].
> > >>>>> It would be great if somebody has some cycles to review and merge
> the
> > >>>>> respective PR [4].
> > >>>>>
> > >>>>> Best,
> > >>>>> Stamatis
> > >>>>>
> > >>>>> [1] https://issues.apache.org/jira/browse/CALCITE-4528
> > >>>>> [2] https://issues.apache.org/jira/browse/CALCITE-4488
> > >>>>> [3] https://issues.apache.org/jira/browse/CALCITE-4503
> > >>>>> [4] https://github.com/apache/calcite-avatica/pull/138
> > >>>>>
> > >>>>> On Sun, Feb 28, 2021 at 2:22 AM Julian Hyde <jh...@apache.org>
> > >> wrote:
> > >>>>>
> > >>>>>> Vladimir,
> > >>>>>>
> > >>>>>> Thanks for finding this bug. Please log it.
> > >>>>>>
> > >>>>>> I don't intend to fix any more bugs in this area before 1.27. It
> > >> has
> > >>>>>> been a huge effort on my part, and I have not received any help
> > >> from
> > >>>>>> anyone.
> > >>>>>>
> > >>>>>> Julian
> > >>>>>>
> > >>>>>> On Wed, Feb 24, 2021 at 3:57 PM Vladimir Sitnikov
> > >>>>>> <sitnikov.vladi...@gmail.com> wrote:
> > >>>>>>>
> > >>>>>>> Thanks for pushing this forward.
> > >>>>>>>
> > >>>>>>> Would you please add search/sarg shrinking to RexShrinker?
> > >>>>>>>
> > >>>>>>> There are failures though:
> > >>>>>>>
> > >>>>>>>  @Test void singleFuzzyTest() {
> > >>>>>>>    Random r = new Random();
> > >>>>>>>    r.setSeed(6321443803263498676L);
> > >>>>>>>    RexFuzzer fuzzer = new RexFuzzer(rexBuilder, typeFactory);
> > >>>>>>>    generateRexAndCheckTrueFalse(fuzzer, r);
> > >>>>>>>  }
> > >>>>>>>
> > >>>>>>> yields
> > >>>>>>>
> > >>>>>>> $node isAlwaysTrue, so it should simplify to TRUE unknownAsFalse
> > >>>>>>>
> > >>>>>>> SEARCH(-(COALESCE(?0.int0, CASE(=(CASE(false,
> > >> SEARCH(?0.notNullInt0,
> > >>>>>>> Sarg[(0..2]; NULL AS FALSE]), true), NOT(IS NOT TRUE(false))),
> > >>>>>> -(+(100500),
> > >>>>>>> -(CASE(true, 1, 100500), CASE(=(?0.notNullBool0,
> > >> ?0.notNullBool0),
> > >>>>>>> null:INTEGER, ?0.notNullInt1))), CASE(=(COALESCE(0, ?0.int1),
> > >> 1), 1,
> > >>>>>>> =(COALESCE(0, ?0.int1), -(null, ?0.int1)), CASE(?0.notNullBool0,
> > >>>>>>> COALESCE(?0.int0, ?0.int1), -(null:INTEGER, null:INTEGER)),
> > >>>>>> null:INTEGER)),
> > >>>>>>> +(*(COALESCE(COALESCE(1, -2038957448 <(203)%20895-7448>, 0),
> > >> CASE(false, ?0.int0,
> > >>>>>>> null:INTEGER), COALESCE(?0.notNullInt0, null:INTEGER,
> > >> null:INTEGER,
> > >>>> -1),
> > >>>>>>> COALESCE(0, 933814882, ?0.int0)), COALESCE(+(100500),
> > >> CASE(?0.bool1,
> > >>>>>>> ?0.notNullInt0, null:INTEGER))))), CASE(=(-(null:INTEGER),
> > >> 100500),
> > >>>>>>> COALESCE(-(-(CASE(=(?0.bool0, ?0.notNullBool1), ?0.notNullInt1,
> > >>>>>>> null:INTEGER), ?0.notNullInt0)), +(COALESCE(-(-1),
> > >> ?0.notNullInt1,
> > >>>>>>> -(null:INTEGER, null:INTEGER))), CASE(=(OR(?0.bool0, ?0.bool1,
> > >>>> false),
> > >>>>>>> <(true, ?0.notNullBool0)), -(+(null:INTEGER)), =(OR(?0.bool0,
> > >>>> ?0.bool1,
> > >>>>>>> false), SEARCH(null:INTEGER, Sarg[TRUE])), CASE(=(-1, null),
> > >>>>>>> CASE(=(?0.notNullBool1, ?0.bool0), 1135316986, null:INTEGER),
> > >> =(-1,
> > >>>> 1),
> > >>>>>>> +(null:INTEGER), =(-1, 100500), -(1), +(?0.notNullInt1,
> > >>>> ?0.notNullInt0)),
> > >>>>>>> COALESCE(-(null:INTEGER), CASE(true, 100500, null:INTEGER),
> > >>>> *(1994412942,
> > >>>>>>> null))), CASE(=(IS UNKNOWN(?0.notNullBool0), IS NOT
> > >>>>>>> UNKNOWN(?0.notNullBool1)), +(?0.notNullInt1), =(IS
> > >>>>>>> UNKNOWN(?0.notNullBool0), IS DISTINCT FROM(?0.notNullInt1, 1)),
> > >>>> -(null,
> > >>>>>>> +(-1)), =(IS UNKNOWN(?0.notNullBool0), >(false, true)), +(-(null,
> > >>>>>> ?0.int1),
> > >>>>>>> *(100500, ?0.int0)), CASE(=(?0.bool0, false), +(-1, 100500),
> > >>>>>> *(-1236110720,
> > >>>>>>> ?0.int0)))), =(-(null:INTEGER), +(+(COALESCE(?0.int0,
> > >> null:INTEGER,
> > >>>>>>> null:INTEGER, ?0.notNullInt0)))), ?0.notNullInt1, 100500)),
> > >> Sarg[=])
> > >>>>>>>
> > >>>>>>> Actual   :IS NOT NULL(-(COALESCE(?0.int0, CASE(=(CASE(false,
> > >>>>>>> SEARCH(?0.notNullInt0, Sarg[(0..2]; NULL AS FALSE]), true),
> > >> NOT(IS
> > >>>> NOT
> > >>>>>>> TRUE(false))), -(+(100500), -(CASE(true, 1, 100500),
> > >>>>>>> CASE(=(?0.notNullBool0, ?0.notNullBool0), null:INTEGER,
> > >>>>>> ?0.notNullInt1))),
> > >>>>>>> CASE(=(COALESCE(0, ?0.int1), 1), 1, =(COALESCE(0, ?0.int1),
> > >> -(null,
> > >>>>>>> ?0.int1)), CASE(?0.notNullBool0, COALESCE(?0.int0, ?0.int1),
> > >>>>>>> -(null:INTEGER, null:INTEGER)), null:INTEGER)),
> > >>>> +(*(COALESCE(COALESCE(1,
> > >>>>>>> -2038957448 <(203)%20895-7448>, 0), CASE(false, ?0.int0,
> > >> null:INTEGER),
> > >>>>>>> COALESCE(?0.notNullInt0, null:INTEGER, null:INTEGER, -1),
> > >> COALESCE(0,
> > >>>>>>> 933814882, ?0.int0)), COALESCE(+(100500), CASE(?0.bool1,
> > >>>> ?0.notNullInt0,
> > >>>>>>> null:INTEGER))))), CASE(=(-(null:INTEGER), 100500),
> > >>>>>>> COALESCE(-(-(CASE(=(?0.bool0, ?0.notNullBool1), ?0.notNullInt1,
> > >>>>>>> null:INTEGER), ?0.notNullInt0)), +(COALESCE(-(-1),
> > >> ?0.notNullInt1,
> > >>>>>>> -(null:INTEGER, null:INTEGER))), CASE(=(OR(?0.bool0, ?0.bool1,
> > >>>> false),
> > >>>>>>> <(true, ?0.notNullBool0)), -(+(null:INTEGER)), =(OR(?0.bool0,
> > >>>> ?0.bool1,
> > >>>>>>> false), SEARCH(null:INTEGER, Sarg[TRUE])), CASE(=(-1, null),
> > >>>>>>> CASE(=(?0.notNullBool1, ?0.bool0), 1135316986, null:INTEGER),
> > >> =(-1,
> > >>>> 1),
> > >>>>>>> +(null:INTEGER), =(-1, 100500), -(1), +(?0.notNullInt1,
> > >>>> ?0.notNullInt0)),
> > >>>>>>> COALESCE(-(null:INTEGER), CASE(true, 100500, null:INTEGER),
> > >>>> *(1994412942,
> > >>>>>>> null))), CASE(=(IS UNKNOWN(?0.notNullBool0), IS NOT
> > >>>>>>> UNKNOWN(?0.notNullBool1)), +(?0.notNullInt1), =(IS
> > >>>>>>> UNKNOWN(?0.notNullBool0), IS DISTINCT FROM(?0.notNullInt1, 1)),
> > >>>> -(null,
> > >>>>>>> +(-1)), =(IS UNKNOWN(?0.notNullBool0), >(false, true)), +(-(null,
> > >>>>>> ?0.int1),
> > >>>>>>> *(100500, ?0.int0)), CASE(=(?0.bool0, false), +(-1, 100500),
> > >>>>>> *(-1236110720,
> > >>>>>>> ?0.int0)))), =(-(null:INTEGER), +(+(COALESCE(?0.int0,
> > >> null:INTEGER,
> > >>>>>>> null:INTEGER, ?0.notNullInt0)))), ?0.notNullInt1, 100500)))
> > >>>>>>>
> > >>>>>>> at
> > >>>>>>>
> > >>>>>>
> > >>>>
> > >>
> >
> org.apache.calcite.test.fuzzer.RexProgramFuzzyTest.checkUnknownAs(RexProgramFuzzyTest.java:251)
> > >>>>>>>
> > >>>>>>> Vladimir
> > >>>>>>
> > >>>>>
> > >>>>
> > >>
> >
> >
>

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