schalli
e4db602597
Replace the Phase-10-deferred `bundesland = null` assignment with bundeslandFromRegion(region) so new ingests are Bundesland-filterable immediately. Add @@index([bundesland]) for filter performance. New handwritten migration 20260721140000_tender_bundesland_backfill backfills the ~1671 pre-existing rows (idempotent UPDATE, only where bundesland IS NULL AND region IS NOT NULL) — applied locally via `docker exec tessera-ctl-db-1 psql`, resolved as applied in _prisma_migrations, and prisma generate re-run. Verified on the local dev DB: 933/1671 rows now have bundesland set across all 16 Länder (738 remain NULL where region itself is NULL). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
40 lines
1.6 KiB
SQL
40 lines
1.6 KiB
SQL
-- FILTER-02 (Pitfall 1): Tender.bundesland is 100% NULL in the live DB
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-- (0/1671 rows, verified) because the Phase-10 normalizer deferred
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-- NUTS->Bundesland mapping to Phase 11. This migration:
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-- 1. Adds the CREATE INDEX for bundesland (filter performance, matches
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-- schema.prisma @@index([bundesland])).
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-- 2. Backfills the ~1671 pre-existing rows by deriving bundesland from
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-- the region column's NUTS-1 prefix (DE1..DEG -> the 16 Bundesländer),
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-- mirroring geo/nuts-bundesland.ts's NUTS1_BUNDESLAND map exactly.
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--
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-- Idempotent: only touches rows where bundesland IS NULL AND region IS NOT
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-- NULL — safe to run more than once, and never overwrites a value already
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-- set by the (now-fixed) normalizer for newer ingests.
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-- No user input is interpolated (T-11-05) — pure derived-field UPDATE.
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-- CreateIndex
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CREATE INDEX IF NOT EXISTS "Tender_bundesland_idx" ON "Tender"("bundesland");
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-- Backfill
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UPDATE "Tender"
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SET "bundesland" = CASE upper(left("region", 3))
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WHEN 'DE1' THEN 'Baden-Württemberg'
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WHEN 'DE2' THEN 'Bayern'
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WHEN 'DE3' THEN 'Berlin'
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WHEN 'DE4' THEN 'Brandenburg'
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WHEN 'DE5' THEN 'Bremen'
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WHEN 'DE6' THEN 'Hamburg'
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WHEN 'DE7' THEN 'Hessen'
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WHEN 'DE8' THEN 'Mecklenburg-Vorpommern'
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WHEN 'DE9' THEN 'Niedersachsen'
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WHEN 'DEA' THEN 'Nordrhein-Westfalen'
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WHEN 'DEB' THEN 'Rheinland-Pfalz'
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WHEN 'DEC' THEN 'Saarland'
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WHEN 'DED' THEN 'Sachsen'
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WHEN 'DEE' THEN 'Sachsen-Anhalt'
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WHEN 'DEF' THEN 'Schleswig-Holstein'
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WHEN 'DEG' THEN 'Thüringen'
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ELSE NULL
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END
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WHERE "bundesland" IS NULL AND "region" IS NOT NULL;
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