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This is an optimized version made by Volpeon that should run faster if the instance has a lot of notes. See <https://is-a.wyvern.rip/notes/9habqldl6j> for a comparison of the EXPLAIN ANALYZE of the old and new queries. Co-authored-by: Volpeon <git@volpeon.ink> Reviewed-on: #403
21 lines
942 B
JavaScript
21 lines
942 B
JavaScript
export class removeMentionedRemoteUsersColumn1661376843000 {
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name = 'removeMentionedRemoteUsersColumn1661376843000';
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async up(queryRunner) {
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await queryRunner.query(`ALTER TABLE "note" DROP COLUMN "mentionedRemoteUsers"`);
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}
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async down(queryRunner) {
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await queryRunner.query(`ALTER TABLE "note" ADD "mentionedRemoteUsers" TEXT NOT NULL DEFAULT '[]'::text`);
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await queryRunner.query(`CREATE TEMP TABLE IF NOT EXISTS "temp_mentions" AS
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SELECT "id", "url", "uri", "username", "host"
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FROM "user"
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JOIN "user_profile" ON "user"."id" = "user_profile". "userId" WHERE "user"."host" IS NOT NULL`);
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await queryRunner.query(`CREATE UNIQUE INDEX "temp_mentions_id" ON "temp_mentions"("id")`);
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await queryRunner.query(`UPDATE "note" SET "mentionedRemoteUsers" = (
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SELECT COALESCE(json_agg(row_to_json("data")::jsonb - 'id')::text, '[]') FROM "temp_mentions" AS "data"
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WHERE "data"."id" = ANY("note"."mentions")
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)`);
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}
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}
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