internal static void BuildSetter(
ExpressionBuilder builder,
BuildInfo buildInfo,
LambdaExpression setter,
IBuildContext into,
List <SqlQuery.SetExpression> items,
IBuildContext sequence)
{
var path = Expression.Parameter(setter.Body.Type, "p");
var ctx = new ExpressionContext(buildInfo.Parent, sequence, setter);
if (setter.Body.NodeType == ExpressionType.MemberInit)
{
var ex = (MemberInitExpression)setter.Body;
var p = sequence.Parent;
BuildSetter(builder, into, items, ctx, ex, path);
builder.ReplaceParent(ctx, p);
}
else
{
var sqlInfo = ctx.ConvertToSql(setter.Body, 0, ConvertFlags.All);
foreach (var info in sqlInfo)
{
if (info.Members.Count == 0)
{
throw new LinqException("Object initializer expected for insert statement.");
}
if (info.Members.Count != 1)
{
throw new InvalidOperationException();
}
var member = info.Members[0];
var pe = Expression.MakeMemberAccess(path, member);
var column = into.ConvertToSql(pe, 1, ConvertFlags.Field);
var expr = info.Sql;
if (expr is SqlParameter)
{
SetConverter(builder.MappingSchema, member, expr);
//var type = member.MemberType == MemberTypes.Field ?
// ((FieldInfo) member).FieldType :
// ((PropertyInfo)member).PropertyType;
//if (TypeHelper.IsEnumOrNullableEnum(type))
//{
// var memberAccessor = TypeAccessor.GetAccessor(member.DeclaringType)[member.Name];
// ((SqlParameter)expr).SetEnumConverter(memberAccessor, builder.MappingSchema);
//}
}
items.Add(new SqlQuery.SetExpression(column[0].Sql, expr));
}
}
}
