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fix(aci): Add exclusion constraint for GroupOpenPeriod #88710

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merged 4 commits into from
Apr 3, 2025

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@snigdhas snigdhas commented Apr 3, 2025

The previous attempt (#88484) to do this failed because of the order of operations, so we've split this up into two steps:

  1. remove the existing constraint fix(aci): Remove the migration operation to add constraint #88708
  2. add a new updated constraint (this pr)

Note that the table is empty. For context, the old exclusion constraint looks only for overlapping ranges of (date_started, date_ended). We need to enforce this constraint for each group, so that no distinct group has two open periods that overlap. The table itself is expected to have multiple overlapping ranges since we'll have one row per group.

@github-actions github-actions bot added the Scope: Backend Automatically applied to PRs that change backend components label Apr 3, 2025
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github-actions bot commented Apr 3, 2025

This PR has a migration; here is the generated SQL for src/sentry/migrations/0860_add_new_groupopenperiod_constraint.py ()

--
-- Raw SQL operation
--
ALTER TABLE "sentry_groupopenperiod"
                ADD CONSTRAINT "exclude_overlapping_start_end" EXCLUDE USING GIST (
                    "group_id" gist_int8_ops WITH =,
                    (TSTZRANGE("date_started", "date_ended", '[)')) WITH &&
                );

@snigdhas snigdhas marked this pull request as ready for review April 3, 2025 18:20
@snigdhas snigdhas requested a review from a team as a code owner April 3, 2025 18:20
@snigdhas snigdhas requested a review from wedamija April 3, 2025 18:20
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snigdhas commented Apr 3, 2025

ugh i didn't mean to update the branch, CI was almost done and green 😭

# is a schema change, it's completely safe to run the operation after the code has deployed.
# Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment

is_post_deployment = False
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I'd probably just mark this as post deploy to avoid any problems

@snigdhas snigdhas enabled auto-merge (squash) April 3, 2025 18:51
@snigdhas snigdhas merged commit 1c274e5 into master Apr 3, 2025
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@snigdhas snigdhas deleted the snigdha/new-constraint branch April 3, 2025 19:21
andrewshie-sentry pushed a commit that referenced this pull request Apr 8, 2025
The previous attempt (#88484) to
do this failed because of the order of operations, so we've split this
up into two steps:

1. remove the existing constraint
#88708
2. add a new updated constraint (this pr)

Note that the table is empty. For context, the old exclusion constraint
looks only for overlapping ranges of (date_started, date_ended). We need
to enforce this constraint for each group, so that no distinct group has
two open periods that overlap. The table itself is expected to have
multiple overlapping ranges since we'll have one row per group.
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