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[epoch] Remove non-UTC epoch logic #7667

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john-bodley
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@john-bodley john-bodley commented Jun 6, 2019

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  • Bug Fix
  • Enhancement (new features, refinement)
  • Refactor
  • Add tests
  • Build / Development Environment
  • Documentation

SUMMARY

As @agrawaldevesh correctly identified in #6721 previously we were computing the Unix timestamp for the right-hand-side (RHS) of the temporal filter condition using the local time zone as opposed to UTC which is the definition of a Unix timestamp (or epoch).

@agrawaldevesh's change was behind a feature flag and disabled by default however this clearly is a bug and I sense we should remedy the problem by merely replacing the previously incorrect logic. Note I strongly believe users were probably unaware of the issue as Unix timestamps aren't human readable.

TEST PLAN

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ADDITIONAL INFORMATION

  • Has associated issue:
  • Changes UI
  • Requires DB Migration.
  • Confirm DB Migration upgrade and downgrade tested.
  • Introduces new feature or API
  • Removes existing feature or API

REVIEWERS

to: @agrawaldevesh @betodealmeida @michellethomas @mistercrunch @villebro

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#7656

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codecov-io commented Jun 6, 2019

Codecov Report

Merging #7667 into master will decrease coverage by 8.34%.
The diff coverage is 75%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master    #7667      +/-   ##
==========================================
- Coverage   73.92%   65.58%   -8.35%     
==========================================
  Files         106      435     +329     
  Lines       11444    21749   +10305     
  Branches        0     2394    +2394     
==========================================
+ Hits         8460    14264    +5804     
- Misses       2984     7364    +4380     
- Partials        0      121     +121
Impacted Files Coverage Δ
superset/config.py 93.97% <ø> (-0.08%) ⬇️
superset/connectors/sqla/models.py 82.39% <75%> (+0.41%) ⬆️
superset/connectors/sqla/views.py 63.15% <0%> (-2.14%) ⬇️
superset/connectors/druid/views.py 66.21% <0%> (-1.53%) ⬇️
superset/views/core.py 72.87% <0%> (-0.19%) ⬇️
superset/db_engine_specs/kylin.py
superset/db_engine_specs/mysql.py
superset/db_engine_specs/mssql.py
superset/db_engine_specs/sqlite.py
... and 373 more

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@villebro villebro left a comment

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LGTM, but perhaps add a comment in the changelog in case someone has logic depending on the incorrect epoch format?

@john-bodley john-bodley force-pushed the john-bodley--deprecate-non-utc-epoch branch from e93f33b to f80712b Compare June 6, 2019 22:45
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LGTM

@@ -23,6 +23,9 @@ assists people when migrating to a new version.

## Next Version

* [7667](https://github.com/apache/incubator-superset/pull/7667): a change to
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nit: remove the "to" before reference

a change to make Unix (epoch) timestamps reference UTC as opposed to the local time zone.

@john-bodley john-bodley force-pushed the john-bodley--deprecate-non-utc-epoch branch from 2f06959 to d14586c Compare June 11, 2019 00:01
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@agrawaldevesh are you onboard with this change?

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agrawaldevesh commented Jun 11, 2019 via email

@john-bodley john-bodley force-pushed the john-bodley--deprecate-non-utc-epoch branch from d14586c to 6dfdde0 Compare June 11, 2019 20:24
@john-bodley john-bodley force-pushed the john-bodley--deprecate-non-utc-epoch branch 2 times, most recently from 3d290e4 to e666244 Compare June 11, 2019 21:10
@john-bodley john-bodley merged commit 8d6257a into apache:master Jun 12, 2019
@john-bodley john-bodley deleted the john-bodley--deprecate-non-utc-epoch branch June 12, 2019 05:34
shmsr added a commit to ThalesGroup/incubator-superset that referenced this pull request Nov 11, 2019
PR apache#8450: Making client time use UTC as the local time
PR apache#7667: Remove non-UTC epoch logic
shmsr added a commit to ThalesGroup/incubator-superset that referenced this pull request Nov 11, 2019
PR apache#8450: Making client time use UTC as the local time
PR apache#7667: Remove non-UTC epoch logic
@mistercrunch mistercrunch added 🏷️ bot A label used by `supersetbot` to keep track of which PR where auto-tagged with release labels 🚢 0.34.0 labels Feb 28, 2024
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6 participants