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Support cursors for aggregation pipelines #2861

Merged
merged 18 commits into from
Jun 23, 2023
Merged

Support cursors for aggregation pipelines #2861

merged 18 commits into from
Jun 23, 2023

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chilagrow
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@chilagrow chilagrow commented Jun 20, 2023 •
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Description

Closes #1892.

Also fixes find zero batchSize when it calls cursor.Next(). It should fetch all the rest of documents, not zero document.

Readiness checklist

  • I added/updated unit tests.
  • I added/updated integration/compatibility tests.
  • I added/updated comments and checked rendering.
  • I made spot refactorings.
  • I updated user documentation.
  • I ran task all, and it passed.
  • I ensured that PR title is good enough for the changelog.
  • (for maintainers only) I set Reviewers (@FerretDB/core), Labels, Project and project's Sprint fields.
  • I marked all done items in this checklist.

@chilagrow chilagrow added code/enhancement Some user-visible feature could work better area/aggregations Issues about aggregation pipelines area/cursors Issues about cursors labels Jun 20, 2023
@chilagrow chilagrow self-assigned this Jun 20, 2023
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codecov bot commented Jun 20, 2023 •
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Codecov Report

Merging #2861 (6dcd95f) into main (a1ff494) will decrease coverage by 4.13%.
The diff coverage is 54.90%.

Additional details and impacted files

Impacted file tree graph

@@            Coverage Diff             @@
##             main    #2861      +/-   ##
==========================================
- Coverage   63.55%   59.42%   -4.13%     
==========================================
  Files         451      451              
  Lines       23512    23555      +43     
==========================================
- Hits        14943    13998     -945     
- Misses       7603     8573     +970     
- Partials      966      984      +18
Impacted Files Coverage Δ
internal/handlers/pg/msg_find.go 71.75% <ø> (-10.34%) ⬇️
internal/handlers/pg/msg_aggregate.go 76.83% <51.06%> (-5.55%) ⬇️
internal/handlers/common/getmore.go 90.90% <100.00%> (+0.09%) ⬆️

... and 41 files with indirect coverage changes

Flag Coverage Δ
integration 52.42% <54.90%> (-4.38%) ⬇️
mongodb 4.20% <0.00%> (-0.01%) ⬇️
pg 52.17% <54.90%> (-4.55%) ⬇️
shard-1 4.20% <0.00%> (-36.75%) ⬇️
shard-2 45.06% <49.01%> (+3.47%) ⬆️
shard-3 40.61% <29.41%> (-4.58%) ⬇️
unit 24.29% <0.00%> (-0.05%) ⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

@AlekSi AlekSi added this to the Next milestone Jun 20, 2023
@AlekSi AlekSi removed the area/cursors Issues about cursors label Jun 20, 2023
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AlekSi commented Jun 20, 2023

CleanShot 2023-06-20 at 13 00 34@2x

Only issues, not PRs

@chilagrow chilagrow removed the area/aggregations Issues about aggregation pipelines label Jun 20, 2023
@chilagrow chilagrow requested review from a team, w84thesun, rumyantseva and noisersup June 21, 2023 03:33
@chilagrow chilagrow marked this pull request as ready for review June 21, 2023 03:33
@chilagrow chilagrow requested a review from a team as a code owner June 21, 2023 03:33
@chilagrow chilagrow enabled auto-merge (squash) June 21, 2023 03:34
AlekSi
AlekSi previously approved these changes Jun 21, 2023
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Code LGTM, but let's work on all comments

integration/query_test.go Outdated Show resolved Hide resolved
@chilagrow chilagrow requested a review from AlekSi June 21, 2023 07:10
AlekSi
AlekSi previously approved these changes Jun 21, 2023
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noisersup
noisersup previously approved these changes Jun 21, 2023
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LGTM

rumyantseva
rumyantseva previously approved these changes Jun 21, 2023
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@rumyantseva rumyantseva left a comment •
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I'm not sure if we have enough "why" in some comments, but I don't want to block the PR, so feel free to resolve my comment.

integration/aggregate_documents_test.go Outdated Show resolved Hide resolved
@chilagrow chilagrow dismissed stale reviews from noisersup, rumyantseva, and AlekSi via 48c2f03 June 23, 2023 02:15
noisersup
noisersup approved these changes Jun 23, 2023
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LGTM

rumyantseva
rumyantseva approved these changes Jun 23, 2023
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LGTM

@chilagrow chilagrow merged commit 82f54cd into FerretDB:main Jun 23, 2023
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Reviewers

@noisersup noisersup noisersup approved these changes

@rumyantseva rumyantseva rumyantseva approved these changes

@AlekSi AlekSi AlekSi approved these changes

@w84thesun w84thesun Awaiting requested review from w84thesun w84thesun was automatically assigned from FerretDB/core

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@chilagrow chilagrow

Labels
code/enhancement Some user-visible feature could work better
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Current Engineering
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v1.5.0
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Support cursors for aggregation pipelines
4 participants
@chilagrow @AlekSi @rumyantseva @noisersup