pgsql/mysql/sqlserver适配

FreeSql/Extensions/NpgsqlTypesExtensions.cs

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+using NpgsqlTypes;
+using System;
+using System.Collections;
+
+namespace NpgsqlTypes {
+	public static class FreeSqlExtensions {
+
+		public static string To1010(this BitArray ba) {
+			char[] ret = new char[ba.Length];
+			for (int a = 0; a < ba.Length; a++) ret[a] = ba[a] ? '1' : '0';
+			return new string(ret);
+		}
+
+		/// <summary>
+		/// 将 1010101010 这样的二进制字符串转换成 BitArray
+		/// </summary>
+		/// <param name="_1010">1010101010</param>
+		/// <returns></returns>
+		public static BitArray ToBitArray(this string _1010Str) {
+			if (_1010Str == null) return null;
+			BitArray ret = new BitArray(_1010Str.Length);
+			for (int a = 0; a < _1010Str.Length; a++) ret[a] = _1010Str[a] == '1';
+			return ret;
+		}
+
+		public static NpgsqlRange<T> ToNpgsqlRange<T>(this string that) {
+			var s = that;
+			if (string.IsNullOrEmpty(s) || s == "empty") return NpgsqlRange<T>.Empty;
+			string s1 = s.Trim('(', ')', '[', ']');
+			string[] ss = s1.Split(new char[] { ',' }, 2);
+			if (ss.Length != 2) return NpgsqlRange<T>.Empty;
+			T t1 = default(T);
+			T t2 = default(T);
+			if (!string.IsNullOrEmpty(ss[0])) t1 = (T)Convert.ChangeType(ss[0], typeof(T));
+			if (!string.IsNullOrEmpty(ss[1])) t2 = (T)Convert.ChangeType(ss[1], typeof(T));
+			return new NpgsqlRange<T>(t1, s[0] == '[', s[0] == '(', t2, s[s.Length - 1] == ']', s[s.Length - 1] == ')');
+		}
+	}
+}

FreeSql/Extensions/StringExtensions.cs

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+public static class StringExtensions {
+
+	/// <summary>
+	/// 特殊处理类似 string.Format 的使用方法，防止注入，以及 IS NULL 转换
+	/// </summary>
+	/// <param name="that"></param>
+	/// <param name="args"></param>
+	/// <returns></returns>
+	public static string FormatMySql(this string that, params object[] args) => _mysqlAdo.Addslashes(that, args);
+	static FreeSql.MySql.MySqlAdo _mysqlAdo = new FreeSql.MySql.MySqlAdo();
+	/// <summary>
+	/// 特殊处理类似 string.Format 的使用方法，防止注入，以及 IS NULL 转换
+	/// </summary>
+	/// <param name="that"></param>
+	/// <param name="args"></param>
+	/// <returns></returns>
+	public static string FormatSqlServer(this string that, params object[] args) => _sqlserverAdo.Addslashes(that, args);
+	static FreeSql.SqlServer.SqlServerAdo _sqlserverAdo = new FreeSql.SqlServer.SqlServerAdo();
+	/// <summary>
+	/// 特殊处理类似 string.Format 的使用方法，防止注入，以及 IS NULL 转换
+	/// </summary>
+	/// <param name="that"></param>
+	/// <param name="args"></param>
+	/// <returns></returns>
+	public static string FormatPostgreSQL(this string that, params object[] args) => _postgresqlAdo.Addslashes(that, args);
+	static FreeSql.PostgreSQL.PostgreSQLAdo _postgresqlAdo = new FreeSql.PostgreSQL.PostgreSQLAdo();
+}
+
+namespace System.Runtime.CompilerServices {
+	public class ExtensionAttribute : Attribute { }
+}