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- 兼容 SqlServer varchar/nvarchar 表达式解析，分别解析为：N'' 和 ''；

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This commit is contained in:
28810
2019-11-20 03:34:55 +08:00
parent b338efc8a2
commit efdc7c8c5d
27 changed files with 440 additions and 86 deletions
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12
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerAdo.cs
View File

@@ -1,9 +1,11 @@
using FreeSql.Internal;
using FreeSql.Internal.Model;
using SafeObjectPool;
using System;
using System.Collections;
using System.Data.Common;
using System.Data.Odbc;
using System.Linq;
using System.Text;
using System.Threading;
@@ -26,8 +28,10 @@ namespace FreeSql.Odbc.SqlServer
}
}
}
static DateTime dt1970 = new DateTime(1970, 1, 1);
public override object AddslashesProcessParam(object param, Type mapType)
string[] ncharDbTypes = new[] { "NVARCHAR", "NCHAR", "NTEXT" };
public override object AddslashesProcessParam(object param, Type mapType, ColumnInfo mapColumn)
{
if (param == null) return "NULL";
if (mapType != null && mapType != param.GetType() && (param is IEnumerable == false || mapType.IsArrayOrList()))
@@ -35,7 +39,11 @@ namespace FreeSql.Odbc.SqlServer
if (param is bool || param is bool?)
return (bool)param ? 1 : 0;
else if (param is string)
{
if (mapColumn != null && mapColumn.CsType.NullableTypeOrThis() == typeof(string) && ncharDbTypes.Any(a => mapColumn.Attribute.DbType.Contains(a)) == false)
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
return string.Concat("N'", param.ToString().Replace("'", "''"), "'");
}
else if (param is char)
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
else if (param is Enum)
@@ -58,7 +66,7 @@ namespace FreeSql.Odbc.SqlServer
{
var sb = new StringBuilder();
var ie = param as IEnumerable;
foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType, mapColumn));
return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
}
return string.Concat("'", param.ToString().Replace("'", "''"), "'");

6
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerExpression.cs
View File

@@ -105,11 +105,11 @@ namespace FreeSql.Odbc.SqlServer
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArrayOrList())
{
tsc?.SetMapTypeTmp(null);
tsc.SetMapColumnTmp(null);
var args1 = getExp(callExp.Arguments[argIndex]);
var oldMapType = tsc?.SetMapTypeReturnOld(tsc?.mapTypeTmp);
var oldMapType = tsc.SetMapTypeReturnOld(tsc.mapTypeTmp);
var left = objExp == null ? null : getExp(objExp);
tsc.SetMapTypeReturnOld(oldMapType);
tsc.SetMapColumnTmp(null).SetMapTypeReturnOld(oldMapType);
switch (callExp.Method.Name)
{
case "Contains":