fix compatibility heatmap with mysql 8 (#5232)

diff --git a/models/user_heatmap.go b/models/user_heatmap.go
index a86ae39fce1f749b7c4d001cb52eeb8a6583b188..f9575ed50fc4f14121e90cbe86c0a1f171f52f86 100644 (file)
--- a/models/user_heatmap.go
+++ b/models/user_heatmap.go
@@ -23,7 +23,7 @@ func GetUserHeatmapDataByUser(user *User) ([]*UserHeatmapData, error) {
        case setting.UseSQLite3:
                groupBy = "strftime('%s', strftime('%Y-%m-%d', created_unix, 'unixepoch'))"
        case setting.UseMySQL:
-               groupBy = "UNIX_TIMESTAMP(DATE_FORMAT(FROM_UNIXTIME(created_unix), '%Y%m%d'))"
+               groupBy = "UNIX_TIMESTAMP(DATE(FROM_UNIXTIME(created_unix)))"
        case setting.UsePostgreSQL:
                groupBy = "extract(epoch from date_trunc('day', to_timestamp(created_unix)))"
        case setting.UseMSSQL: