Petru Paler
262739d8ec
Create migration for events, event_revisions, event_tombstones, idempotency_nonces, and event_animals tables with ULID checks and JSON validation. Add Pydantic models with field validators. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
57 lines
2.0 KiB
SQL
57 lines
2.0 KiB
SQL
-- ABOUTME: Creates event sourcing tables (events, event_revisions, event_tombstones).
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-- ABOUTME: Also creates idempotency_nonces and event_animals tables.
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-- events: Core event log table
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CREATE TABLE events (
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id TEXT PRIMARY KEY CHECK(length(id) = 26),
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type TEXT NOT NULL,
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ts_utc INTEGER NOT NULL,
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actor TEXT NOT NULL,
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entity_refs TEXT NOT NULL CHECK(json_valid(entity_refs)),
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payload TEXT NOT NULL CHECK(json_valid(payload)),
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version INTEGER NOT NULL DEFAULT 1
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);
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CREATE INDEX idx_events_ts ON events(ts_utc);
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CREATE INDEX idx_events_type_ts ON events(type, ts_utc);
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CREATE INDEX idx_events_actor_ts ON events(actor, ts_utc);
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-- event_revisions: Stores prior versions when events are edited
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CREATE TABLE event_revisions (
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event_id TEXT NOT NULL CHECK(length(event_id) = 26),
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version INTEGER NOT NULL,
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ts_utc INTEGER NOT NULL,
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actor TEXT NOT NULL,
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entity_refs TEXT NOT NULL CHECK(json_valid(entity_refs)),
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payload TEXT NOT NULL CHECK(json_valid(payload)),
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edited_at_utc INTEGER NOT NULL,
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edited_by TEXT NOT NULL,
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PRIMARY KEY (event_id, version)
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);
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-- event_tombstones: Immutable deletion records
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CREATE TABLE event_tombstones (
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id TEXT PRIMARY KEY CHECK(length(id) = 26),
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ts_utc INTEGER NOT NULL,
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actor TEXT NOT NULL,
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target_event_id TEXT NOT NULL CHECK(length(target_event_id) = 26),
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reason TEXT
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);
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CREATE INDEX idx_event_tombstones_target ON event_tombstones(target_event_id);
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-- idempotency_nonces: Prevents duplicate POST submissions
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CREATE TABLE idempotency_nonces (
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nonce TEXT PRIMARY KEY,
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actor TEXT NOT NULL,
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route TEXT NOT NULL,
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created_at_utc INTEGER NOT NULL
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);
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-- event_animals: Links events to affected animals
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CREATE TABLE event_animals (
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event_id TEXT NOT NULL CHECK(length(event_id) = 26),
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animal_id TEXT NOT NULL CHECK(length(animal_id) = 26),
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ts_utc INTEGER NOT NULL,
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PRIMARY KEY (event_id, animal_id)
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);
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CREATE UNIQUE INDEX ux_event_animals_animal_ts ON event_animals(animal_id, ts_utc);
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