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8601a19f60
Replaces module-path-based source column (e.g. "central/adapters/nws") with stable adapter identifier (e.g. "nws") that foreign-keys to config.adapters.name. Migration 011: - ADD COLUMN adapter TEXT - Backfill via REPLACE(source, 'central/adapters/', '') - SET NOT NULL + FK RESTRICT - CREATE INDEX (adapter, received DESC) for dashboard queries - DROP COLUMN source Code changes: - Event model: source field renamed to adapter - All adapters: use adapter="name" instead of source="central/adapters/name" - Archive: write adapter column instead of source Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
36 lines
1.6 KiB
SQL
36 lines
1.6 KiB
SQL
-- Central Data Hub schema
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-- PostgreSQL 16 + TimescaleDB + PostGIS
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-- NOTE: Migrations in sql/migrations/ are the source of truth.
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-- This file is for reference and initial setup only.
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CREATE TABLE IF NOT EXISTS events (
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id TEXT NOT NULL, -- CloudEvent id
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adapter TEXT NOT NULL -- adapter identity (FK to config.adapters.name)
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REFERENCES config.adapters(name) ON DELETE RESTRICT,
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category TEXT NOT NULL, -- "wx.alert.<type>"
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time TIMESTAMPTZ NOT NULL, -- event-time UTC
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expires TIMESTAMPTZ,
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severity SMALLINT, -- 0..4 or NULL
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geom GEOMETRY(Geometry, 4326), -- centroid or bbox as Polygon
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regions TEXT[], -- ["US-ID-Ada", ...]
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primary_region TEXT,
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payload JSONB NOT NULL, -- full Event as JSON
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received TIMESTAMPTZ NOT NULL DEFAULT now(),
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PRIMARY KEY (id, time) -- composite PK for TimescaleDB
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);
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SELECT create_hypertable('events', 'time', if_not_exists => TRUE);
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CREATE INDEX IF NOT EXISTS events_category_time_idx
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ON events (category, time DESC);
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CREATE INDEX IF NOT EXISTS events_adapter_received_idx
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ON events (adapter, received DESC);
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CREATE INDEX IF NOT EXISTS events_geom_gist
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ON events USING GIST (geom);
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CREATE INDEX IF NOT EXISTS events_regions_gin
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ON events USING GIN (regions);
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-- Dedup on insert via ON CONFLICT (id, time) in the archive consumer.
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