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fix query plans with IDX_instance_host_key

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Hazelnoot 2025-06-03 18:47:02 -04:00
parent 9d45041bd8
commit 8802fbb34d
1 changed files with 22 additions and 0 deletions
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packages/backend/migration/1748990662839-fix-IDX_instance_host_key.js Normal file
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/*
* SPDX-FileCopyrightText: hazelnoot and other Sharkey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
export class FixIDXInstanceHostKey1748990662839 {
async up(queryRunner) {
// must include host for index-only scans: https://www.postgresql.org/docs/current/indexes-index-only-scans.html
await queryRunner.query(`DROP INDEX "public"."IDX_instance_host_key"`);
await queryRunner.query(`
create index "IDX_instance_host_key"
on "instance" ((lower(reverse("host"::text)) || '.'::text) text_pattern_ops)
include ("host")
`);
await queryRunner.query(`comment on index "IDX_instance_host_key" is 'Expression index for finding instances by base domain'`);
}
async down(queryRunner) {
await queryRunner.query(`DROP INDEX "public"."IDX_instance_host_key"`);
await queryRunner.query(`CREATE UNIQUE INDEX "IDX_instance_host_key" ON "instance" (((lower(reverse("host")) || '.')::text) text_pattern_ops)`);
}
}