- 优化 DateTime.Subtract 统一得到秒差值；

2026-02-18 22:30:56 +08:00 · 2024-11-01 22:16:54 +08:00
parent 1f855de7ff
commit 50919bbbf6
27 changed files with 23 additions and 50 deletions
--- a/Providers/FreeSql.Provider.Duckdb/DuckdbExpression.cs
+++ b/Providers/FreeSql.Provider.Duckdb/DuckdbExpression.cs
@@ -488,8 +488,7 @@ namespace FreeSql.Duckdb
                    case "Subtract":
                        switch ((exp.Arguments[0].Type.IsNullableType() ? exp.Arguments[0].Type.GetGenericArguments().FirstOrDefault() : exp.Arguments[0].Type).FullName)
                        {
-                            case "System.DateTime": return $"cast((epoch({left})-epoch({args1}))||' seconds' as interval)";
-                            case "System.TimeSpan": return $"date_add({left},{args1})";
+                            case "System.DateTime": return $"(epoch({left})-epoch({args1}))";
                        }
                        break;
                    case "Equals": return $"({left} = {args1})";