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Deleting an attribute in MariaDB now also removes a single-column index containing only the tenant column, preventing leftover indexes in shared tables. This cleanup also runs when the attribute is already missing, while the original not-found error is preserved.
Composite indexes are retained when an attribute is deleted, except on PostgreSQL, where indexes on deleted columns are dropped.
MariaDB now cleans up tenant-only indexes on shared tables when an attribute is deleted. The change also adds schema reconciliation coverage for single-column and composite indexes across supported adapters.
Changes: Shared-table index cleanup
Layer / File(s)
Summary
Attribute deletion and index reconciliation src/Database/Adapter/MariaDB.php, tests/e2e/Adapter/Scopes/SchemaReconciliationTests.php
MariaDB attempts parent column deletion, removes indexes containing only the tenant column, then returns the parent result or rethrows a deferred NotFoundException. The test checks single-column index removal, composite index behavior, and index recreation. It excludes Mongo and accounts for Postgres dropping indexes on deleted columns.
The MariaDB cleanup is covered by the new test. The missing Postgres assertion is a narrow coverage gap that does not block merging.
Pre-merge checks: 4 · 1
Failed checks: 1 warning
Check name
Status
Explanation
Resolution
Docstring Coverage
Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documenta…
Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed checks: 4 passed
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Description Check
Check skipped - CodeRabbit’s high-level summary is enabled.
Title check
The title clearly describes the change: fixing tenant-only indexes in shared tables during attribute deletion.
Linked Issues check
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Out of Scope Changes check
Check skipped because no linked issues were found for this pull request.
Full details: Docstring Coverage
Explanation
Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 2 functions across 2 files.
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Attribute deletion now cleans up single-attribute indexes in shared-table mode, preventing tenant-only index leftovers from blocking reuse of an index name. Schema reconciliation coverage checks that the index disappears after deletion and can be recreated under the same name.
Latest changes: The newest commits move shared-table index cleanup into Attributes::deleteAttribute(), deleting schema indexes whose only indexed attribute is the one being removed.
Verdict
New comments
Fixed
Still open
✅ Approved
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📂 Walkthrough · 2
File
Change
src/Database/Trait/Attributes.php
Drops shared-table schema indexes that contain only the deleted attribute.
Covers removal and same-name recreation of an index after its attribute is deleted.
🔇 Filtered out · 1
Findings Hansi considered but did not post.
Finding
Why
Avoid dropping collection-wide MongoDB indexes for one tenant
Verifier: Not a new problem introduced by this change. Mongo deleteAttribute already runs $unset with an empty filter and multi: true, so the field is removed from every tenant's documents, not just the current one. An index on that field is therefore useless to any tenant after the unset. The index also isn't "collection-wide" in the way the finding says: createIndex puts the tenant column first in the key when shared tables are on. If the index were left in place, it would keep only the tenant column (a unique index on it would then reject documents sharing a tenant) and block recreating an index under the same name. deleteIndex already drops indexes by name for the whole shared collection, so dropping here matches existing behaviour.
Reviewed the commits since 0360c22 · Details · Comment @appwrite review to re-run, or mention @appwrite with a question.
260-263: Trivial · Maintainability & Code Quality · Low value
Unverified finding
Verification ran but could not confirm this finding. It is shown for review, not as a verified issue.
The Postgres exemption relies on engine behavior, and the composite-index assertion is skipped for Postgres.
The Postgres::deleteAttribute() snippet has no index cleanup. The comment correctly says that Postgres drops every index on a dropped column, but this depends on engine behavior. The test therefore does not check that the composite index is gone.
Consider asserting assertFalse for Postgres. That documents the engine contract instead of skipping the check.
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Failed pre-merge checks:
- Docstring Coverage:
Write docstrings for the functions missing them to satisfy the coverage
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