Venue booking & governance
election_vote_history
Immutable append-only log of every cast/change (G803). Makes "is my vote still X?" verifiable — a vote is never silently overwritten, each change is a row.
Columns
| Column | Type | Null | Default | Keys |
|---|---|---|---|---|
| id | uuid | no | gen_random_uuid() | PK |
| election_id | uuid | no | — | |
| voter_dancer_id | uuid | no | — | |
| from_candidate_id | uuid | yes | — | |
| to_candidate_id | uuid | no | — | |
| created_at | timestamp | yes | now() |
Value lists come from .$type<'a' | 'b'>() in the schema — enforced in TypeScript only, not by the database.
Keys, constraints & indexes
Unique
None besides the primary key.
Indexes
- (election_id, voter_dancer_id)election_vote_history_idx
Foreign keys
- election_id → moderator_elections.id on delete no action
- voter_dancer_id → dancers.id on delete no action
Used by
Code that reads or writes this table, found by static analysis of the tRPC routers and API handlers (including helpers they call).
tRPC procedures
REST & webhooks
- ANY /mcp
- ANY /mcp/public
Relations
Rendering diagram…
Diagram source
erDiagram
dancers {
uuid id PK
text email UK
text neon_auth_id UK
text username UK
}
election_vote_history {
uuid id PK
uuid election_id FK
uuid voter_dancer_id FK
}
moderator_elections {
uuid id PK
uuid profile_id FK
}
moderator_elections ||--o{ election_vote_history : "election_id"
dancers ||--o{ election_vote_history : "voter_dancer_id" Defined at server/database/schema.ts:643 as electionVoteHistory.