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fix: alembic migration error msg trying to delete constraint on tables #11115

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merged 4 commits into from
Oct 1, 2020
Merged

fix: alembic migration error msg trying to delete constraint on tables #11115

merged 4 commits into from
Oct 1, 2020

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dpgaspar
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@dpgaspar dpgaspar commented Sep 30, 2020 •
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SUMMARY

Alembic migration error msg on PG:

INFO  [alembic.runtime.migration] Running upgrade e5ef6828ac4e -> 18532d70ab98, Delete table_name unique constraint in mysql
(psycopg2.errors.UndefinedObject) constraint "table_name" of relation "tables" does not exist
[SQL: ALTER TABLE tables DROP CONSTRAINT table_name]

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

@dpgaspar dpgaspar changed the title fix: alembic migration fails by deleting constraint on tables fix: alembic migration error msg trying to delete constraint on tables Sep 30, 2020
@pull-request-size pull-request-size bot added size/S and removed size/M labels Sep 30, 2020
@dpgaspar dpgaspar added the risk:db-migration PRs that require a DB migration label Sep 30, 2020
villebro
villebro approved these changes Sep 30, 2020
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LGTM. I think this migration shows that we could do with some migration squashing for Superset 1.0, as there's obviously some divergence even between Postgres and MySQL.

@dpgaspar
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LGTM. I think this migration shows that we could do with some migration squashing for Superset 1.0, as there's obviously some divergence even between Postgres and MySQL.

Totally!

bkyryliuk
bkyryliuk reviewed Sep 30, 2020
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superset/migrations/versions/18532d70ab98_fix_table_unique_constraint_in_mysql.py Outdated
if isinstance(bind.dialect, MySQLDialect):
# index only exists in mysql db
with op.get_context().autocommit_block():
op.add_constraint("table_name", "tables", type_="unique")
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AttributeError: module 'alembic.op' has no attribute 'add_constraint'

I would say - let's pass on the downgrade. That constraint was never needed

bkyryliuk
bkyryliuk approved these changes Sep 30, 2020
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LG%nit

@pull-request-size pull-request-size bot added size/XS and removed size/S labels Oct 1, 2020
@dpgaspar dpgaspar merged commit 50d8040 into apache:master Oct 1, 2020
@dpgaspar dpgaspar deleted the fix/table_mig branch October 1, 2020 11:35
auxten pushed a commit to auxten/incubator-superset that referenced this pull request Nov 20, 2020
@dpgaspar @auxten
fix: alembic migration error msg trying to delete constraint on tables (
fd2caa8 
apache#11115)

* fix: alembic migration fails by deleting non existent constraint on tables

* Revert "fix: alembic migration fails by deleting non existent constraint on tables"

This reverts commit 3a359b0.

* mantain migration but just for MySQL and add downgrade procedure

* skip the downgrade
@mistercrunch mistercrunch added 🏷️ bot A label used by `supersetbot` to keep track of which PR where auto-tagged with release labels 🚢 0.38.0 labels Mar 12, 2024
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@bkyryliuk bkyryliuk bkyryliuk approved these changes

@villebro villebro villebro approved these changes

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🏷️ bot A label used by `supersetbot` to keep track of which PR where auto-tagged with release labels risk:db-migration PRs that require a DB migration size/XS 🚢 0.38.0
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