From e43aae4b188dafb320ee282791d25c86b0bdbf75 Mon Sep 17 00:00:00 2001
From: pigwing <35950090@qq.com>
Date: Tue, 18 Apr 2023 12:36:37 +0800
Subject: [PATCH] =?UTF-8?q?SampleBy=E5=A2=9E=E5=8A=A0=E5=AF=B9=E5=87=86?=
 =?UTF-8?q?=E6=97=A5=E5=8E=86=E5=8F=82=E6=95=B0?=
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---
 .../QuestDbGlobalExtensions.cs                         | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Providers/FreeSql.Provider.QuestDb/QuestDbGlobalExtensions.cs b/Providers/FreeSql.Provider.QuestDb/QuestDbGlobalExtensions.cs
index a6192657..aed7de90 100644
--- a/Providers/FreeSql.Provider.QuestDb/QuestDbGlobalExtensions.cs
+++ b/Providers/FreeSql.Provider.QuestDb/QuestDbGlobalExtensions.cs
@@ -111,13 +111,17 @@ public static partial class QuestDbGlobalExtensions
     /// <param name="select"></param>
     /// <param name="time">时长</param>
     /// <param name="unit">单位</param>
+    /// <param name="alignToCalendar">对准日历</param>
     /// <returns></returns>
-    public static ISelect<T> SampleBy<T>(this ISelect<T> select, double time, SampleUnits unit)
+    public static ISelect<T> SampleBy<T>(this ISelect<T> select, double time, SampleUnits unit, bool alignToCalendar = false)
     {
         var _unit = Enum.GetName(typeof(SampleUnits), unit);
         SampleByExtension.IsExistence.Value = true;
-        var samoleByTemple = $"{Environment.NewLine}SAMPLE BY {{0}}{{1}} ";
-        SampleByExtension.SamoleByString.Value = string.Format(samoleByTemple, time.ToString(), _unit);
+        var samoleByTemple = $"{Environment.NewLine}SAMPLE BY {{0}}{{1}} {{2}}";
+        string alignToCalendarTemple = "";
+        if (alignToCalendar)
+            alignToCalendarTemple = "ALIGN TO CALENDAR ";
+        SampleByExtension.SamoleByString.Value = string.Format(samoleByTemple, time.ToString(), _unit, alignToCalendarTemple);
         return select;
     }