拆分 FreeSql 按需引用

2025-11-04 17:20:49 +08:00 · 2019-05-28 21:32:54 +08:00
parent 37ed28f7a0
commit f8e897e201
149 changed files with 945 additions and 4082 deletions
--- a/Providers/FreeSql.Provider.SqlServer/SqlServerUtils.cs
+++ b/Providers/FreeSql.Provider.SqlServer/SqlServerUtils.cs
@@ -0,0 +1,82 @@
+using FreeSql.Internal;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.Common;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+
+namespace FreeSql.SqlServer {
+
+	class SqlServerUtils : CommonUtils {
+		public SqlServerUtils(IFreeSql orm) : base(orm) {
+		}
+
+		public bool IsSelectRowNumber = true;
+
+		public override DbParameter AppendParamter(List<DbParameter> _params, string parameterName, Type type, object value) {
+			if (string.IsNullOrEmpty(parameterName)) parameterName = $"p_{_params?.Count}";
+			if (value?.Equals(DateTime.MinValue) == true) value = new DateTime(1970, 1, 1);
+			var ret = new SqlParameter { ParameterName = QuoteParamterName(parameterName), Value = value };
+			var tp = _orm.CodeFirst.GetDbInfo(type)?.type;
+			if (tp != null) ret.SqlDbType = (SqlDbType)tp.Value;
+			_params?.Add(ret);
+			return ret;
+		}
+
+		public override DbParameter[] GetDbParamtersByObject(string sql, object obj) =>
+			Utils.GetDbParamtersByObject<SqlParameter>(sql, obj, "@", (name, type, value) => {
+				if (value?.Equals(DateTime.MinValue) == true) value = new DateTime(1970, 1, 1);
+				var ret = new SqlParameter { ParameterName = $"@{name}", Value = value };
+				var tp = _orm.CodeFirst.GetDbInfo(type)?.type;
+				if (tp != null) ret.SqlDbType = (SqlDbType)tp.Value;
+				return ret;
+			});
+
+		public override string FormatSql(string sql, params object[] args) => sql?.FormatSqlServer(args);
+		public override string QuoteSqlName(string name) {
+			var nametrim = name.Trim();
+			if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
+				return nametrim; //原生SQL
+			return $"[{nametrim.TrimStart('[').TrimEnd(']').Replace(".", "].[")}]";
+		}
+		public override string TrimQuoteSqlName(string name) {
+			var nametrim = name.Trim();
+			if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
+				return nametrim; //原生SQL
+			return $"{nametrim.TrimStart('[').TrimEnd(']').Replace("].[", ".").Replace(".[", ".")}";
+		}
+		public override string QuoteParamterName(string name) => $"@{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
+		public override string IsNull(string sql, object value) => $"isnull({sql}, {value})";
+		public override string StringConcat(string[] objs, Type[] types) {
+			var sb = new StringBuilder();
+			var news = new string[objs.Length];
+			for (var a = 0; a < objs.Length; a++)
+				news[a] = types[a] == typeof(string) ? objs[a] : $"cast({objs[a]} as nvarchar)";
+			return string.Join(" + ", news);
+		}
+		public override string Mod(string left, string right, Type leftType, Type rightType) => $"{left} % {right}";
+
+		public override string QuoteWriteParamter(Type type, string paramterName) => paramterName;
+		public override string QuoteReadColumn(Type type, string columnName) => columnName;
+
+		public override string GetNoneParamaterSqlValue(List<DbParameter> specialParams, Type type, object value) {
+			if (value == null) return "NULL";
+			if (type == typeof(byte[])) {
+				var bytes = value as byte[];
+				var sb = new StringBuilder().Append("0x");
+				foreach (var vc in bytes) {
+					if (vc < 10) sb.Append("0");
+					sb.Append(vc.ToString("X"));
+				}
+				return sb.ToString();
+			} else if (type == typeof(TimeSpan) || type == typeof(TimeSpan?)) {
+				var ts = (TimeSpan)value;
+				value = $"{ts.Hours}:{ts.Minutes}:{ts.Seconds}.{ts.Milliseconds}";
+			}
+			return FormatSql("{0}", value, 1);
+		}
+	}
+}