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EvoBGP/migrations/postgres/000017_prefix_snapshot_backfill.up.sql
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Denozordec 16b4923bd7
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fix(db): change prefix column type to TEXT in prefix_snapshot_row
Updated the prefix column in the prefix_snapshot_row table from CIDR to TEXT to accommodate broader input formats. Adjusted related SQL insert statements accordingly.
2026-05-25 11:08:06 +07:00

36 lines
1.3 KiB
SQL

-- Backfill prefix snapshots from revision_materialized_prefix.
-- prefix_snapshot_row.prefix is TEXT (revision_materialized_prefix.prefix since 000003).
ALTER TABLE prefix_snapshot_row
ALTER COLUMN prefix TYPE TEXT USING prefix::text;
WITH new_snaps AS (
INSERT INTO prefix_snapshot (id, content_hash)
SELECT gen_random_uuid(),
substr(replace(cr.id::text, '-', '') || replace(cr.id::text, '-', ''), 1, 64)
FROM config_revision cr
WHERE cr.prefix_snapshot_id IS NULL
AND EXISTS (
SELECT 1 FROM revision_materialized_prefix rmp WHERE rmp.revision_id = cr.id
)
RETURNING id, content_hash
)
UPDATE config_revision cr
SET prefix_snapshot_id = ns.id
FROM new_snaps ns
WHERE cr.prefix_snapshot_id IS NULL
AND ns.content_hash = substr(replace(cr.id::text, '-', '') || replace(cr.id::text, '-', ''), 1, 64);
INSERT INTO prefix_snapshot_row (snapshot_id, ord, prefix, community_id, source)
SELECT cr.prefix_snapshot_id,
(row_number() OVER (PARTITION BY cr.id ORDER BY rmp.id) - 1)::int,
rmp.prefix,
rmp.community_id,
rmp.source
FROM config_revision cr
JOIN revision_materialized_prefix rmp ON rmp.revision_id = cr.id
WHERE cr.prefix_snapshot_id IS NOT NULL
AND NOT EXISTS (
SELECT 1 FROM prefix_snapshot_row psr WHERE psr.snapshot_id = cr.prefix_snapshot_id
);