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b671f07ce6
Two active Sebeta yards (LEGACY_DEST/'Sebeta' and SEBETA/'sebeta') split rates and routes across different yard ids, so route-scoped rate lookups missed. Migration repoints every yard reference to the survivor, retires the duplicate, and adds partial unique indexes on active label and code. Service now rejects case-insensitive duplicate labels on create/update - the old guard only compared generated codes, which missed labels whose existing code differs (LEGACY_DEST). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
68 lines
2.7 KiB
TypeScript
68 lines
2.7 KiB
TypeScript
import { MigrationInterface, QueryRunner } from "typeorm";
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/**
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* Two active "Sebeta" yards existed (code LEGACY_DEST label "Sebeta", and code
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* SEBETA label "sebeta") — rates and routes pointed at one or the other, so a
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* rate configured against one never matched a contract routed via the other.
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* Merge them: keep the row all rates/distances/facilities reference
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* (LEGACY_DEST), repoint every yard reference from the duplicate to it, retire
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* the duplicate, and give the survivor the clean SEBETA code. Then make
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* duplicate active yard labels/codes impossible at the DB level.
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*/
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export class MergeDuplicateSebetaYards3050000000000 implements MigrationInterface {
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name = "MergeDuplicateSebetaYards3050000000000";
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public async up(queryRunner: QueryRunner): Promise<void> {
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await queryRunner.query(`
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DO $$
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DECLARE
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survivor uuid;
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dupe uuid;
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col record;
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BEGIN
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SELECT id INTO survivor FROM freight.yards
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WHERE code = 'LEGACY_DEST' AND lower(trim(label)) = 'sebeta' AND deleted_at IS NULL;
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SELECT id INTO dupe FROM freight.yards
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WHERE code = 'SEBETA' AND deleted_at IS NULL;
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IF survivor IS NULL OR dupe IS NULL OR survivor = dupe THEN
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RETURN;
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END IF;
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-- Every yard-referencing column in the schema, so rows created between
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-- authoring and running this migration are repointed too.
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FOR col IN
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SELECT table_name, column_name FROM information_schema.columns
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WHERE table_schema = 'freight'
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AND table_name <> 'yards'
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AND (column_name LIKE '%yard_id%' OR column_name LIKE '%station_id%')
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LOOP
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EXECUTE format(
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'UPDATE freight.%I SET %I = $1 WHERE %I = $2',
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col.table_name, col.column_name, col.column_name
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) USING survivor, dupe;
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END LOOP;
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UPDATE freight.yards
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SET code = 'SEBETA@merged', label = 'sebeta@merged', deleted_at = now()
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WHERE id = dupe;
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UPDATE freight.yards SET code = 'SEBETA', label = 'Sebeta' WHERE id = survivor;
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END $$;
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`);
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await queryRunner.query(`
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CREATE UNIQUE INDEX IF NOT EXISTS "UQ_yards_label_active"
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ON freight.yards (lower(trim(label))) WHERE deleted_at IS NULL
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`);
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await queryRunner.query(`
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CREATE UNIQUE INDEX IF NOT EXISTS "UQ_yards_code_active"
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ON freight.yards (lower(trim(code))) WHERE deleted_at IS NULL
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`);
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}
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public async down(queryRunner: QueryRunner): Promise<void> {
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// Data repair — not reversible. The uniqueness indexes are the new invariant.
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await queryRunner.query(`DROP INDEX IF EXISTS freight."UQ_yards_label_active"`);
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await queryRunner.query(`DROP INDEX IF EXISTS freight."UQ_yards_code_active"`);
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}
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}
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