- 升级 nuget 依赖包；

- 增加 .netframework 4.6.1 示范项目；
- PostgreSQL 连接池大小默认值改为 50；
- ISelect 增加 Any/AnyAsync(Expression)，为的少写一个 Where；

FreeSql/Interface/Curd/ISelect/ISelect1.cs

@@ -6,6 +6,14 @@ using System.Threading.Tasks;
 namespace FreeSql {
 	public interface ISelect<T1> : ISelect0<ISelect<T1>, T1> where T1 : class {
 
+		/// <summary>
+		/// 执行SQL查询，是否有记录
+		/// </summary>
+		/// <param name="exp">lambda表达式</param>
+		/// <returns></returns>
+		bool Any(Expression<Func<T1, bool>> exp);
+		Task<bool> AnyAsync(Expression<Func<T1, bool>> exp);
+
 		/// <summary>
 		/// 执行SQL查询，返回指定字段的记录，记录不存在时返回 Count 为 0 的列表
 		/// </summary>

FreeSql/Interface/Curd/ISelect/ISelect10.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 namespace FreeSql {
 	public interface ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class {
 
+		bool Any(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> exp);
+		Task<bool> AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> exp);
+
 		List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select);
 		Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select);
 		string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select);

FreeSql/Interface/Curd/ISelect/ISelect3.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 namespace FreeSql {
 	public interface ISelect<T1, T2, T3> : ISelect0<ISelect<T1, T2, T3>, T1> where T1 : class where T2 : class where T3 : class {
 
+		bool Any(Expression<Func<T1, T2, T3, bool>> exp);
+		Task<bool> AnyAsync(Expression<Func<T1, T2, T3, bool>> exp);
+
 		List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
 		Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);
 		string ToSql<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select);

FreeSql/Interface/Curd/ISelect/ISelect4.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 namespace FreeSql {
 	public interface ISelect<T1, T2, T3, T4> : ISelect0<ISelect<T1, T2, T3, T4>, T1> where T1 : class where T2 : class where T3 : class where T4 : class {
 
+		bool Any(Expression<Func<T1, T2, T3, T4, bool>> exp);
+		Task<bool> AnyAsync(Expression<Func<T1, T2, T3, T4, bool>> exp);
+
 		List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select);
 		Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select);
 		string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select);

FreeSql/Interface/Curd/ISelect/ISelect5.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 namespace FreeSql {
 	public interface ISelect<T1, T2, T3, T4, T5> : ISelect0<ISelect<T1, T2, T3, T4, T5>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class {
 
+		bool Any(Expression<Func<T1, T2, T3, T4, T5, bool>> exp);
+		Task<bool> AnyAsync(Expression<Func<T1, T2, T3, T4, T5, bool>> exp);
+
 		List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select);
 		Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select);
 		string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select);

FreeSql/Interface/Curd/ISelect/ISelect6.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 namespace FreeSql {
 	public interface ISelect<T1, T2, T3, T4, T5, T6> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class {
 
+		bool Any(Expression<Func<T1, T2, T3, T4, T5, T6, bool>> exp);
+		Task<bool> AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, bool>> exp);
+
 		List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select);
 		Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select);
 		string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select);

FreeSql/Interface/Curd/ISelect/ISelect7.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 namespace FreeSql {
 	public interface ISelect<T1, T2, T3, T4, T5, T6, T7> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6, T7>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class {
 
+		bool Any(Expression<Func<T1, T2, T3, T4, T5, T6, T7, bool>> exp);
+		Task<bool> AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, bool>> exp);
+
 		List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select);
 		Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select);
 		string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select);

FreeSql/Interface/Curd/ISelect/ISelect8.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 namespace FreeSql {
 	public interface ISelect<T1, T2, T3, T4, T5, T6, T7, T8> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6, T7, T8>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class {
 
+		bool Any(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, bool>> exp);
+		Task<bool> AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, bool>> exp);
+
 		List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select);
 		Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select);
 		string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select);

FreeSql/Interface/Curd/ISelect/ISelect9.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 namespace FreeSql {
 	public interface ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> : ISelect0<ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>, T1> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class {
 
+		bool Any(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, bool>> exp);
+		Task<bool> AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, bool>> exp);
+
 		List<TReturn> ToList<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select);
 		Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select);
 		string ToSql<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select);

FreeSql/Internal/CommonProvider/SelectProvider/Select10Provider.cs

@@ -56,5 +56,9 @@ namespace FreeSql.Internal.CommonProvider {
 		ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.Where(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null));
 
 		ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.WhereIf(bool condition, Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> exp) => condition ? this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)) : this;
+
+		bool ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.Any(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).Any();
+
+		Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).AnyAsync();
 	}
 }

FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs

@@ -117,6 +117,8 @@ namespace FreeSql.Internal.CommonProvider {
 
 		public ISelect<T1> WhereIf(bool condition, Expression<Func<T1, bool>> exp) => condition ? this.InternalWhere(exp?.Body) : this;
 
+		public bool Any(Expression<Func<T1, bool>> exp) => this.Where(exp).Any();
 
+		public Task<bool> AnyAsync(Expression<Func<T1, bool>> exp) => this.Where(exp).AnyAsync();
 	}
 }

FreeSql/Internal/CommonProvider/SelectProvider/Select3Provider.cs

@@ -49,5 +49,9 @@ namespace FreeSql.Internal.CommonProvider {
 		ISelect<T1, T2, T3> ISelect<T1, T2, T3>.Where(Expression<Func<T1, T2, T3, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null));
 
 		ISelect<T1, T2, T3> ISelect<T1, T2, T3>.WhereIf(bool condition, Expression<Func<T1, T2, T3, bool>> exp) => condition ? this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)) : this;
+
+		bool ISelect<T1, T2, T3>.Any(Expression<Func<T1, T2, T3, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).Any();
+
+		Task<bool> ISelect<T1, T2, T3>.AnyAsync(Expression<Func<T1, T2, T3, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).AnyAsync();
 	}
 }

FreeSql/Internal/CommonProvider/SelectProvider/Select4Provider.cs

@@ -50,5 +50,9 @@ namespace FreeSql.Internal.CommonProvider {
 		ISelect<T1, T2, T3, T4> ISelect<T1, T2, T3, T4>.Where(Expression<Func<T1, T2, T3, T4, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null));
 
 		ISelect<T1, T2, T3, T4> ISelect<T1, T2, T3, T4>.WhereIf(bool condition, Expression<Func<T1, T2, T3, T4, bool>> exp) => condition ? this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)) : this;
+
+		bool ISelect<T1, T2, T3, T4>.Any(Expression<Func<T1, T2, T3, T4, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).Any();
+
+		Task<bool> ISelect<T1, T2, T3, T4>.AnyAsync(Expression<Func<T1, T2, T3, T4, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).AnyAsync();
 	}
 }

FreeSql/Internal/CommonProvider/SelectProvider/Select5Provider.cs

@@ -51,5 +51,9 @@ namespace FreeSql.Internal.CommonProvider {
 		ISelect<T1, T2, T3, T4, T5> ISelect<T1, T2, T3, T4, T5>.Where(Expression<Func<T1, T2, T3, T4, T5, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null));
 
 		ISelect<T1, T2, T3, T4, T5> ISelect<T1, T2, T3, T4, T5>.WhereIf(bool condition, Expression<Func<T1, T2, T3, T4, T5, bool>> exp) => condition ? this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)) : this;
+
+		bool ISelect<T1, T2, T3, T4, T5>.Any(Expression<Func<T1, T2, T3, T4, T5, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).Any();
+
+		Task<bool> ISelect<T1, T2, T3, T4, T5>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).AnyAsync();
 	}
 }

FreeSql/Internal/CommonProvider/SelectProvider/Select6Provider.cs

@@ -52,5 +52,9 @@ namespace FreeSql.Internal.CommonProvider {
 		ISelect<T1, T2, T3, T4, T5, T6> ISelect<T1, T2, T3, T4, T5, T6>.Where(Expression<Func<T1, T2, T3, T4, T5, T6, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null));
 
 		ISelect<T1, T2, T3, T4, T5, T6> ISelect<T1, T2, T3, T4, T5, T6>.WhereIf(bool condition, Expression<Func<T1, T2, T3, T4, T5, T6, bool>> exp) => condition ? this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)) : this;
+
+		bool ISelect<T1, T2, T3, T4, T5, T6>.Any(Expression<Func<T1, T2, T3, T4, T5, T6, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).Any();
+
+		Task<bool> ISelect<T1, T2, T3, T4, T5, T6>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).AnyAsync();
 	}
 }

FreeSql/Internal/CommonProvider/SelectProvider/Select7Provider.cs

@@ -53,5 +53,9 @@ namespace FreeSql.Internal.CommonProvider {
 		ISelect<T1, T2, T3, T4, T5, T6, T7> ISelect<T1, T2, T3, T4, T5, T6, T7>.Where(Expression<Func<T1, T2, T3, T4, T5, T6, T7, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null));
 
 		ISelect<T1, T2, T3, T4, T5, T6, T7> ISelect<T1, T2, T3, T4, T5, T6, T7>.WhereIf(bool condition, Expression<Func<T1, T2, T3, T4, T5, T6, T7, bool>> exp) => condition ? this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)) : this;
+
+		bool ISelect<T1, T2, T3, T4, T5, T6, T7>.Any(Expression<Func<T1, T2, T3, T4, T5, T6, T7, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).Any();
+
+		Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).AnyAsync();
 	}
 }

FreeSql/Internal/CommonProvider/SelectProvider/Select8Provider.cs

@@ -54,5 +54,9 @@ namespace FreeSql.Internal.CommonProvider {
 		ISelect<T1, T2, T3, T4, T5, T6, T7, T8> ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.Where(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null));
 
 		ISelect<T1, T2, T3, T4, T5, T6, T7, T8> ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.WhereIf(bool condition, Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, bool>> exp) => condition ? this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)) : this;
+
+		bool ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.Any(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).Any();
+
+		Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).AnyAsync();
 	}
 }

FreeSql/Internal/CommonProvider/SelectProvider/Select9Provider.cs

@@ -55,5 +55,9 @@ namespace FreeSql.Internal.CommonProvider {
 		ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.Where(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null));
 
 		ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.WhereIf(bool condition, Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, bool>> exp) => condition ? this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)) : this;
+
+		bool ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.Any(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).Any();
+
+		Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null)).AnyAsync();
 	}
 }

FreeSql/PostgreSQL/PostgreSQLAdo/PostgreSQLConnectionPool.cs

@@ -48,7 +48,7 @@ namespace FreeSql.PostgreSQL {
 
 		internal PostgreSQLConnectionPool _pool;
 		public string Name { get; set; } = "PostgreSQL NpgsqlConnection 对象池";
-		public int PoolSize { get; set; } = 100;
+		public int PoolSize { get; set; } = 50;
 		public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
 		public int AsyncGetCapacity { get; set; } = 10000;
 		public bool IsThrowGetTimeoutException { get; set; } = true;