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Merge pull request #348 from Hestia-Homes/reporting-slow-query

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amend migration files
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Jun-te Kim 2026-07-02 14:50:24 +01:00 • committed by GitHub
commit 767cb2af3f
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2 changed files with 25 additions and 4 deletions
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8
src/app/db/migrations/0257_low_songbird.sql
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@ -1,4 +1,4 @@
CREATE INDEX CONCURRENTLY "ix_epc_building_part_epc_property" ON "epc_building_part" USING btree ("epc_property_id");--> statement-breakpoint
CREATE INDEX CONCURRENTLY "ix_epc_energy_element_epc_property" ON "epc_energy_element" USING btree ("epc_property_id");--> statement-breakpoint
CREATE INDEX CONCURRENTLY "ix_epc_floor_dimension_building_part" ON "epc_floor_dimension" USING btree ("epc_building_part_id");--> statement-breakpoint
CREATE INDEX CONCURRENTLY "ix_property_portfolio" ON "property" USING btree ("portfolio_id");
CREATE INDEX IF NOT EXISTS "ix_epc_building_part_epc_property" ON "epc_building_part" USING btree ("epc_property_id");--> statement-breakpoint
CREATE INDEX IF NOT EXISTS "ix_epc_energy_element_epc_property" ON "epc_energy_element" USING btree ("epc_property_id");--> statement-breakpoint
CREATE INDEX IF NOT EXISTS "ix_epc_floor_dimension_building_part" ON "epc_floor_dimension" USING btree ("epc_building_part_id");--> statement-breakpoint
CREATE INDEX IF NOT EXISTS "ix_property_portfolio" ON "property" USING btree ("portfolio_id");

21
src/app/db/sql/prebuild-reporting-indexes.sql Normal file
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@ -0,0 +1,21 @@
-- Production pre-build for migration 0257 (reporting / EPC-graph FK indexes).
--
-- The drizzle migrator (src/app/db/migrate.ts) runs migrations inside a
-- transaction, where CREATE INDEX CONCURRENTLY is not allowed. On a live,
-- loaded database, run this file first via psql — it builds the same four
-- indexes without blocking reads or writes — and 0257's
-- CREATE INDEX IF NOT EXISTS then no-ops. On dev/CI databases the tables are
-- small, so skipping this and letting 0257 build them directly is fine.
--
-- psql "$DATABASE_URL" -f src/app/db/sql/prebuild-reporting-indexes.sql
--
-- CONCURRENTLY waits out in-flight transactions between build phases, so
-- long-running reporting queries can stall it — prefer a quiet window. If a
-- build is interrupted it leaves an INVALID index (visible in \d+ <table>);
-- DROP INDEX it and re-run. Note IF NOT EXISTS would also skip an INVALID
-- leftover, so check before re-running.
CREATE INDEX CONCURRENTLY IF NOT EXISTS "ix_epc_building_part_epc_property" ON "epc_building_part" USING btree ("epc_property_id");
CREATE INDEX CONCURRENTLY IF NOT EXISTS "ix_epc_energy_element_epc_property" ON "epc_energy_element" USING btree ("epc_property_id");
CREATE INDEX CONCURRENTLY IF NOT EXISTS "ix_epc_floor_dimension_building_part" ON "epc_floor_dimension" USING btree ("epc_building_part_id");
CREATE INDEX CONCURRENTLY IF NOT EXISTS "ix_property_portfolio" ON "property" USING btree ("portfolio_id");