- 优化 UnionAll 为 null 的 query；

2881099 · 2881099 · commit a7ddaff4707e · 2024-10-24T14:22:03.000+08:00
diff --git a/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs b/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs
@@ -213,6 +213,8 @@ public ISelect<T1, T2, T3, T4, T5> FromQuery<T2, T3, T4, T5>(ISelect<T2> select2
         
         public ISelect<T1> UnionAll(params ISelect<T1>[] querys)
         {
+            querys = querys?.Where(q => q != null).ToArray();
+            if (querys?.Any() != true) return this;
             var ret = (_orm as BaseDbProvider).CreateSelectProvider<T1>(null) as Select1Provider<T1>;
             var sb = new StringBuilder().Append(LocalGetQuerySql(this));
             foreach (var select2 in querys)

Original file line number	Diff line number	Diff line change
`@@ -213,6 +213,8 @@ public ISelect<T1, T2, T3, T4, T5> FromQuery<T2, T3, T4, T5>(ISelect<T2> select2`
`213`	`213`
`214`	`214`	`public ISelect<T1> UnionAll(params ISelect<T1>[] querys)`
`215`	`215`	`{`
	`216`	`+ querys = querys?.Where(q => q != null).ToArray();`
	`217`	`+ if (querys?.Any() != true) return this;`
`216`	`218`	`var ret = (_orm as BaseDbProvider).CreateSelectProvider<T1>(null) as Select1Provider<T1>;`
`217`	`219`	`var sb = new StringBuilder().Append(LocalGetQuerySql(this));`
`218`	`220`	`foreach (var select2 in querys)`