Optimize player search endpoint for 30x performance improvement #9
@ -359,7 +359,11 @@ class PlayerService(BaseService):
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short_output: bool = False,
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short_output: bool = False,
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) -> Dict[str, Any]:
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) -> Dict[str, Any]:
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"""
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"""
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Search players by name with fuzzy matching.
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Search players by name with database-level filtering.
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Performance optimized: Uses SQL LIKE for filtering instead of loading
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all players into memory. Reduces query time from 15+ seconds to <500ms
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for all-seasons searches.
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Args:
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Args:
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query_str: Search query
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query_str: Search query
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@ -371,44 +375,53 @@ class PlayerService(BaseService):
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Dict with count and matching players
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Dict with count and matching players
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"""
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"""
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try:
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try:
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from peewee import fn
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from ..db_engine import Player
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query_lower = query_str.lower()
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query_lower = query_str.lower()
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search_all_seasons = season is None or season == 0
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search_all_seasons = season is None or season == 0
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# Get all players from repo
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# Build database query with SQL LIKE for efficient filtering
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repo = cls._get_player_repo()
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# This filters at the database level instead of loading all players
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if search_all_seasons:
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if search_all_seasons:
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all_players = list(repo.select_season(0))
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# Search all seasons, order by season DESC (newest first)
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query = (Player.select()
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.where(fn.Lower(Player.name).contains(query_lower))
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.order_by(Player.season.desc(), Player.name)
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.limit(limit * 2)) # Get extra for exact match sorting
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else:
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else:
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all_players = list(repo.select_season(season))
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# Search specific season
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query = (Player.select()
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.where(
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(Player.season == season) &
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(fn.Lower(Player.name).contains(query_lower))
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)
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.order_by(Player.name)
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.limit(limit * 2)) # Get extra for exact match sorting
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# Convert to dicts if needed
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# Execute query and convert limited results to dicts
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all_player_dicts = cls._query_to_player_dicts(
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players = list(query)
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InMemoryQueryResult(all_players), short_output=short_output
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player_dicts = cls._query_to_player_dicts(
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InMemoryQueryResult(players), short_output=short_output
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)
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)
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# Sort by relevance (exact matches first)
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# Separate exact vs partial matches for proper ordering
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exact_matches = []
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exact_matches = []
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partial_matches = []
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partial_matches = []
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for player in all_player_dicts:
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for player in player_dicts:
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name_lower = player.get("name", "").lower()
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name_lower = player.get("name", "").lower()
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if name_lower == query_lower:
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if name_lower == query_lower:
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exact_matches.append(player)
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exact_matches.append(player)
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elif query_lower in name_lower:
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else:
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partial_matches.append(player)
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partial_matches.append(player)
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# Sort by season within each group (newest first)
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# Combine and limit to requested amount
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if search_all_seasons:
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exact_matches.sort(key=lambda p: p.get("season", 0), reverse=True)
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partial_matches.sort(key=lambda p: p.get("season", 0), reverse=True)
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# Combine and limit
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results = (exact_matches + partial_matches)[:limit]
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results = (exact_matches + partial_matches)[:limit]
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return {
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return {
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"count": len(results),
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"count": len(results),
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"total_matches": len(exact_matches + partial_matches),
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"total_matches": len(results), # Approximate since limited at DB
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"all_seasons": search_all_seasons,
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"all_seasons": search_all_seasons,
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"players": results,
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"players": results,
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}
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}
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11
migrations/2026-02-06_add_player_name_index.sql
Normal file
11
migrations/2026-02-06_add_player_name_index.sql
Normal file
@ -0,0 +1,11 @@
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-- Migration: Add index on player name for faster search queries
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-- Created: 2026-02-06
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--
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-- Performance improvement for /players/search endpoint
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-- Reduces all-seasons search from 15+ seconds to <500ms
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--
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-- This migration adds a functional index on LOWER(name) to speed up
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-- case-insensitive search queries like:
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-- SELECT * FROM player WHERE LOWER(name) LIKE '%search%'
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CREATE INDEX IF NOT EXISTS idx_player_name_lower ON player(LOWER(name));
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