Paul Rastoin
e9d5d71cd3
## Part 1 - Exact scope of the current PR (#21964) close https://github.com/twentyhq/core-team-issues/issues/2586 This PR introduces `searchFieldMetadata` as a first-class flat metadata entity and migrates the existing search surface onto it, with **no change to which records are searchable** (ISO with `main`). In scope (what the PR does): - New flat entity `searchFieldMetadata` (universalIdentifier, applicationId, **`position`**, maps, conversions), registered in the central flat-entity constants and the migration build orchestrator. - `searchVector.asExpression` is **derived server-side** from `searchFieldMetadata` rows (validated by `isSafeTsVectorExpression`); never trusted from client input. - **Derivation order is deterministic, driven by each row's `position`** ([compute-search-vector-as-expression-from-search-field-metadatas.util.ts](packages/twenty-server/src/engine/metadata-modules/flat-search-field-metadata/utils/compute-search-vector-as-expression-from-search-field-metadatas.util.ts)), replacing the previous non-deterministic `(createdAt, id)` sort. That sort collapsed to random UUIDs for standard fields (same `createdAt`), so any rename/relabel rewrote the `STORED` generated column to a logically-identical-but-textually-different expression and produced a permanent per-workspace diff vs the standard definition. Ordering now equals provisioning order; ties break on `universalIdentifier`. - Provisioning at object creation mirrors the existing surface exactly **and seeds `position`**: - custom objects -> the `name` field only, at `position: 0` ([build-default-search-field-metadatas-for-custom-object.util.ts](packages/twenty-server/src/engine/metadata-modules/object-metadata/utils/build-default-search-field-metadatas-for-custom-object.util.ts)) - standard objects -> their curated `SEARCH_FIELDS_FOR_*` sets, `position` = the curated index - Backfill (instance + workspace commands in `2-16`) provisions rows for existing workspaces with the same surface **and the same positions** (standard from the curated standard maps, custom `name` = `0`), scoped to the workspace's own custom application ([build-search-field-metadata-backfill-operations.util.ts](packages/twenty-server/src/database/commands/upgrade-version-command/2-16/utils/build-search-field-metadata-backfill-operations.util.ts)). The `position` column is added in the same `2-16` fast instance command as `universalIdentifier`/`applicationId`. - Field rename of an already-indexed field recomputes `asExpression` (positions preserved, so order is stable) ([recompute-search-vector-on-field-rename.util.ts](packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/utils/recompute-search-vector-on-field-rename.util.ts)). - Field delete drops the matching row(s) and recomputes; remaining rows keep their relative order (no renumber) ([from-delete-field-input-to-flat-field-metadatas-to-delete.util.ts](packages/twenty-server/src/engine/metadata-modules/flat-field-metadata/utils/from-delete-field-input-to-flat-field-metadatas-to-delete.util.ts)). - Object relabel is **additive** and ISO/regression-fix only: it indexes the new label identifier **appended last (`position = max(existing) + 1`)** without dropping `name` ([recompute-search-vector-on-label-identifier-update.util.ts](packages/twenty-server/src/engine/metadata-modules/flat-object-metadata/utils/recompute-search-vector-on-label-identifier-update.util.ts)). This is a deliberate, temporary bridge. Explicitly OUT of scope (deferred): - No API to edit `searchFieldMetadata` (no user-facing search-field configuration, including `position` — it is internal and only written by provisioning/backfill/recompute). - No auto-indexing of arbitrary searchable fields. Creating a custom TEXT/EMAILS/etc. field does NOT add it to search (the `computeSearchFieldMetadataCreationForFields` behavior was removed in `e6820ad`). - No field-type-transition handling (field type is immutable - not in `FLAT_FIELD_METADATA_EDITABLE_PROPERTIES`, so that path was dead code). - No `position` validation (uniqueness/range) and no multi-vector / per-field `weight` config — deferred to the configurable-search follow-up (#1428). Net: `searchFieldMetadata` becomes the source of truth for the *same* surface as `main`. The only intentional divergences from `main` are "relabel preserves `name`" (additive) and the deterministic `position`-ordered `asExpression` (a correctness/perf fix that is byte-identical to provisioning order, so it does not change the searchable surface). --------- Co-authored-by: Félix Malfait <felix@twenty.com>
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