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routewatch/internal/cachedb/schema.sql
T
sneak 6e903d511f
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Add best-effort geolocation to the IP lookup from geojs and DB-IP City Lite (closes #239)
Each result gains `geo`. One request to geojs carries every address, 1 second in all. On a timeout or error the lookup reads DB-IP City Lite, downloaded monthly into the state directory. geojs answers stay in memory (250,000, least recently used dropped) and in a new `cache.db` table for 7 days.

Judgement call: a reserved address goes to neither source, and its `geo` is null.
Judgement call: an answer from geojs with every part unknown is still an answer.
Judgement call: `updated` for DB-IP is when the copy was downloaded.
Deviation: the cache is SQLite, by sneak's words.

Model: opus-5-5
2026-11-10 13:03:58 +00:00

25 lines
724 B
SQL

-- hostnames holds the PTR names of addresses. names has the names separated by
-- spaces, and is empty for an address with no PTR names. expires_at is in
-- seconds since 1970.
CREATE TABLE IF NOT EXISTS hostnames (
address TEXT PRIMARY KEY,
names TEXT NOT NULL,
expires_at INTEGER NOT NULL
);
-- geolocations holds the answers of geojs. A part geojs does not know is NULL.
-- fetched_at is in seconds since 1970.
CREATE TABLE IF NOT EXISTS geolocations (
address TEXT PRIMARY KEY,
country_code TEXT,
country TEXT,
continent_code TEXT,
region TEXT,
city TEXT,
latitude REAL,
longitude REAL,
accuracy_radius_km INTEGER,
time_zone TEXT,
fetched_at INTEGER NOT NULL
);