Use JST timezone

internal/database/database.go

@@ -82,6 +82,10 @@ func New() Service {
 		return dbInstance
 	}
 
+	// dbconfig, err := pgxpool.ParseConfig(databaseURL)
+	// if err != nil {
+	// 	// handle error
+	// }
 	dbpool, err := pgxpool.New(context.Background(), databaseURL)
 	if err != nil {
 		slog.Error("failed to create connection pool", "error", err)

sql/query.sql

@@ -1,3 +1,5 @@
+-- name: SetTimezoneJST :exec
+SET TIME ZONE '9';
 -- name: GetVisitorByIp :one
 SELECT *
 FROM visitors
@@ -171,27 +173,27 @@ WHERE node_id = $1
     AND type = $2;
 -- name: CountEntryPerHalfHourByNodeId :many
 SELECT COUNT(*) AS count,
-  DATE_PART('hour', el.created_at) AS hour,
-  FLOOR(DATE_PART('minute', el.created_at) / 30) * 30 AS minute
+  DATE_PART('hour', el.created_at AT TIME ZONE '+09:00') AS hour,
+  FLOOR(DATE_PART('minute', el.created_at AT TIME ZONE '+09:00') / 30) * 30 AS minute
 FROM entry_logs el
 WHERE el.node_id = $1 
   AND el.type = $2
-  AND DATE(el.created_at) = CURRENT_DATE
-  AND DATE_PART('hour', el.created_at) BETWEEN 8 AND 18
-GROUP BY hour
-ORDER BY hour DESC
+  AND DATE(el.created_at AT TIME ZONE '+09:00') = CURRENT_DATE
+  AND DATE_PART('hour', el.created_at AT TIME ZONE '+09:00') BETWEEN 8 AND 18
+GROUP BY hour, minute
+ORDER BY hour DESC, minute DESC
 LIMIT 24;
 -- name: CountFoodStallPerHalfHourByFoodId :many
 SELECT SUM(fsl.quantity) AS count,
-  DATE_PART('hour', fsl.created_at) AS hour,
-  FLOOR(DATE_PART('minute', fsl.created_at) / 30) * 30 AS minute
+  DATE_PART('hour', fsl.created_at AT TIME ZONE '+09:00') AS hour,
+  FLOOR(DATE_PART('minute', fsl.created_at AT TIME ZONE '+09:00') / 30) * 30 AS minute
 FROM food_stall_logs fsl
 JOIN node_foods nf ON fsl.node_food_id = nf.id
 WHERE nf.food_id = $1
-  AND DATE(fsl.created_at) = CURRENT_DATE
-  AND DATE_PART('hour', fsl.created_at) BETWEEN 8 AND 18
+  AND DATE(fsl.created_at AT TIME ZONE '+09:00') = CURRENT_DATE
+  AND DATE_PART('hour', fsl.created_at AT TIME ZONE '+09:00') BETWEEN 8 AND 18
 GROUP BY hour, minute
-ORDER BY hour, minute
+ORDER BY hour DESC, minute DESC
 LIMIT 24;
 -- name: CountFoodStallQuantityPerHourByFoodId :many
 SELECT SUM(fsl.quantity * f.quantity) AS count,
@@ -206,12 +208,12 @@ ORDER BY hour
 LIMIT 24;
 -- name: CountExhibitionPerHalfHourByNodeId :many
 SELECT COUNT(*) AS count,
-  DATE_PART('hour', el.created_at) AS hour,
-  FLOOR(DATE_PART('minute', el.created_at) / 30) * 30 AS minute
+  DATE_PART('hour', el.created_at AT TIME ZONE '+09:00') AS hour,
+  FLOOR(DATE_PART('minute', el.created_at AT TIME ZONE '+09:00') / 30) * 30 AS minute
 FROM exhibition_logs el
 WHERE el.node_id = $1
-  AND DATE(el.created_at) = CURRENT_DATE
-  AND DATE_PART('hour', el.created_at) BETWEEN 8 AND 18
-GROUP BY hour
-ORDER BY hour DESC
+  AND DATE(el.created_at AT TIME ZONE '+09:00') = CURRENT_DATE
+  AND DATE_PART('hour', el.created_at AT TIME ZONE '+09:00') BETWEEN 8 AND 18
+GROUP BY hour, minute
+ORDER BY hour DESC, minute DESC
 LIMIT 24;