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- 优化 MapType DateTime/DateTimeOffset 类型转换互通；

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This commit is contained in:
28810
2019-09-06 16:07:28 +08:00
parent d105041858
commit d9cb932fae
7 changed files with 336 additions and 2 deletions
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14
FreeSql/Internal/UtilsExpressionTree.cs
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@ -1457,6 +1457,8 @@ namespace FreeSql.Internal
static MethodInfo MethodDateTimeOffsetTryParse = typeof(DateTimeOffset).GetMethod("TryParse", new[] { typeof(string), typeof(DateTimeOffset).MakeByRefType() });
static MethodInfo MethodToString = typeof(Utils).GetMethod("ToStringConcat", BindingFlags.NonPublic | BindingFlags.Static, null, new[] { typeof(object) }, null);
static MethodInfo MethodBigIntegerParse = typeof(Utils).GetMethod("ToBigInteger", BindingFlags.NonPublic | BindingFlags.Static, null, new[] { typeof(string) }, null);
static PropertyInfo PropertyDateTimeOffsetDateTime = typeof(DateTimeOffset).GetProperty("DateTime", BindingFlags.Instance | BindingFlags.Public);
static ConstructorInfo CtorDateTimeOffsetArgsDateTime = typeof(DateTimeOffset).GetConstructor(new[] { typeof(DateTime) });
public static ConcurrentBag<Func<LabelTarget, Expression, string, Expression>> GetDataReaderValueBlockExpressionSwitchTypeFullName = new ConcurrentBag<Func<LabelTarget, Expression, string, Expression>>();
public static Expression GetDataReaderValueBlockExpression(Type type, Expression value)
@ -1752,14 +1754,22 @@ namespace FreeSql.Internal
var defaultRetExp = type == typeof(string) ?
Expression.Return(returnTarget, Expression.Convert(Expression.Call(MethodToString, valueExp), typeof(object))) :
Expression.Return(returnTarget, Expression.Call(MethodConvertChangeType, valueExp, Expression.Constant(type, typeof(Type))));
return Expression.IfThenElse(
Expression.TypeEqual(valueExp, type),
Expression.Return(returnTarget, valueExp),
Expression.IfThenElse(
Expression.TypeEqual(valueExp, typeof(string)),
switchExp,
defaultRetExp
Expression.IfThenElse(
Expression.AndAlso(Expression.Equal(Expression.Constant(type), Expression.Constant(typeof(DateTime))), Expression.TypeEqual(valueExp, typeof(DateTimeOffset))),
Expression.Return(returnTarget, Expression.Convert(Expression.MakeMemberAccess(Expression.Convert(valueExp, typeof(DateTimeOffset)), PropertyDateTimeOffsetDateTime), typeof(object))),
Expression.IfThenElse(
Expression.AndAlso(Expression.Equal(Expression.Constant(type), Expression.Constant(typeof(DateTimeOffset))), Expression.TypeEqual(valueExp, typeof(DateTime))),
Expression.Return(returnTarget, Expression.Convert(Expression.New(CtorDateTimeOffsetArgsDateTime, Expression.Convert(valueExp, typeof(DateTime))), typeof(object))),
defaultRetExp
)
)
)
);
};