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Simplify peerings table to store AS numbers directly

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- Rename asn_peerings table to peerings
- Change columns from from_asn_id/to_asn_id to as_a/as_b (integers)
- Remove foreign key constraints to asns table
- Update RecordPeering to use AS numbers directly
- Add validation in RecordPeering to ensure:
  - Both AS numbers are > 0
  - AS numbers are different
  - as_a is always lower than as_b (normalized)
- Update PeeringHandler to no longer need ASN cache
- Simplify the code by removing unnecessary ASN lookups
This commit is contained in:
Jeffrey Paul
2025-07-28 02:36:15 +02:00
parent 1157003db7
commit 54bb0ba1cb
5 changed files with 59 additions and 60 deletions
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16
internal/database/schema.sql
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@@ -29,15 +29,13 @@ CREATE TABLE IF NOT EXISTS announcements (
FOREIGN KEY (origin_asn_id) REFERENCES asns(id)
);
CREATE TABLE IF NOT EXISTS asn_peerings (
CREATE TABLE IF NOT EXISTS peerings (
id TEXT PRIMARY KEY,
from_asn_id TEXT NOT NULL,
to_asn_id TEXT NOT NULL,
as_a INTEGER NOT NULL,
as_b INTEGER NOT NULL,
first_seen DATETIME NOT NULL,
last_seen DATETIME NOT NULL,
FOREIGN KEY (from_asn_id) REFERENCES asns(id),
FOREIGN KEY (to_asn_id) REFERENCES asns(id),
UNIQUE(from_asn_id, to_asn_id)
UNIQUE(as_a, as_b)
);
-- BGP peers that send us messages
@@ -55,9 +53,9 @@ CREATE INDEX IF NOT EXISTS idx_prefixes_version_prefix ON prefixes(ip_version, p
CREATE INDEX IF NOT EXISTS idx_announcements_timestamp ON announcements(timestamp);
CREATE INDEX IF NOT EXISTS idx_announcements_prefix_id ON announcements(prefix_id);
CREATE INDEX IF NOT EXISTS idx_announcements_asn_id ON announcements(asn_id);
CREATE INDEX IF NOT EXISTS idx_asn_peerings_from_asn ON asn_peerings(from_asn_id);
CREATE INDEX IF NOT EXISTS idx_asn_peerings_to_asn ON asn_peerings(to_asn_id);
CREATE INDEX IF NOT EXISTS idx_asn_peerings_lookup ON asn_peerings(from_asn_id, to_asn_id);
CREATE INDEX IF NOT EXISTS idx_peerings_as_a ON peerings(as_a);
CREATE INDEX IF NOT EXISTS idx_peerings_as_b ON peerings(as_b);
CREATE INDEX IF NOT EXISTS idx_peerings_lookup ON peerings(as_a, as_b);
-- Additional indexes for prefixes table
CREATE INDEX IF NOT EXISTS idx_prefixes_prefix ON prefixes(prefix);