From 1dd2f42824136df28a11007f12f0670b00e66a70 Mon Sep 17 00:00:00 2001
From: Trevor Slocum <trevor@rocket9labs.com>
Date: Thu, 29 Aug 2024 10:39:55 -0700
Subject: [PATCH] Optimize stats generation

---
 pkg/server/database.go | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/pkg/server/database.go b/pkg/server/database.go
index e5243d6..e25c049 100644
--- a/pkg/server/database.go
+++ b/pkg/server/database.go
@@ -78,6 +78,7 @@ CREATE TABLE game (
 	wintype  integer NOT NULL,
 	replay   TEXT NOT NULL DEFAULT ''
 );
+CREATE INDEX ON game USING btree (started);
 CREATE TABLE follow (
 	account integer NOT NULL,
 	target integer NOT NULL,
@@ -860,7 +861,7 @@ func dailyStats(tz *time.Location) (*serverStatsResult, error) {
 	defer tx.Commit(context.Background())
 
 	var earliestGame int64
-	rows, err := tx.Query(context.Background(), "SELECT started FROM game ORDER BY started ASC LIMIT 1")
+	rows, err := tx.Query(context.Background(), "SELECT MIN(started) FROM game")
 	if err != nil {
 		return nil, err
 	}
@@ -933,7 +934,7 @@ func monthlyStats(tz *time.Location) (*serverStatsResult, error) {
 	defer tx.Commit(context.Background())
 
 	var earliestGame int64
-	rows, err := tx.Query(context.Background(), "SELECT started FROM game ORDER BY started ASC LIMIT 1")
+	rows, err := tx.Query(context.Background(), "SELECT MIN(started) FROM game")
 	if err != nil {
 		return nil, err
 	}
@@ -1007,7 +1008,7 @@ func cumulativeStats(tz *time.Location) (*serverStatsResult, error) {
 	defer tx.Commit(context.Background())
 
 	var earliestGame int64
-	rows, err := tx.Query(context.Background(), "SELECT started FROM game ORDER BY started ASC LIMIT 1")
+	rows, err := tx.Query(context.Background(), "SELECT MIN(started) FROM game")
 	if err != nil {
 		return nil, err
 	}
@@ -1083,7 +1084,7 @@ func accountStats(name string, matchType int, variant int8, tz *time.Location) (
 	defer tx.Commit(context.Background())
 
 	var earliestGame int64
-	rows, err := tx.Query(context.Background(), "SELECT started FROM game WHERE (player1 = $1 OR player2 = $2) AND variant = $3 ORDER BY started ASC LIMIT 1", name, name, variant)
+	rows, err := tx.Query(context.Background(), "SELECT MIN(started) FROM game WHERE (player1 = $1 OR player2 = $2) AND variant = $3", name, name, variant)
 	if err != nil {
 		return nil, err
 	}