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fix: add missing indexes on FK columns in stratplay and stratgame (#74) #95

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Claude wants to merge 1 commits from issue/74-add-missing-indexes-on-foreign-key-columns-in-high into main
pull from: issue/74-add-missing-indexes-on-foreign-key-columns-in-high
merge into: cal:main
Conversation 0 Commits 1 Files Changed 2 +820 -492
2 changed files with 820 additions and 492 deletions
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app/db_engine.py
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migrations/2026-03-27_add_stratplay_stratgame_indexes.sql Normal file
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-- Migration: Add missing indexes on foreign key columns in stratplay and stratgame
-- Created: 2026-03-27
--
-- PostgreSQL does not auto-index foreign key columns. These tables are the
-- highest-volume tables in the schema and are filtered/joined on these columns
-- in batting, pitching, and running stats aggregation and standings recalculation.
-- stratplay: FK join column
CREATE INDEX IF NOT EXISTS idx_stratplay_game_id ON stratplay(game_id);
-- stratplay: filtered in batting stats aggregation
CREATE INDEX IF NOT EXISTS idx_stratplay_batter_id ON stratplay(batter_id);
-- stratplay: filtered in pitching stats aggregation
CREATE INDEX IF NOT EXISTS idx_stratplay_pitcher_id ON stratplay(pitcher_id);
-- stratplay: filtered in running stats
CREATE INDEX IF NOT EXISTS idx_stratplay_runner_id ON stratplay(runner_id);
-- stratgame: heavily filtered by season
CREATE INDEX IF NOT EXISTS idx_stratgame_season ON stratgame(season);
-- stratgame: standings recalculation query ordering
CREATE INDEX IF NOT EXISTS idx_stratgame_season_week_game_num ON stratgame(season, week, game_num);