void Init()
{
var info1 = _sequence1.ConvertToIndex(null, 0, ConvertFlags.All).ToList();
var info2 = _sequence2.ConvertToIndex(null, 0, ConvertFlags.All).ToList();
if (!_isObject)
{
return;
}
var unionMembers = new List <UnionMember>();
foreach (var info in info1)
{
if (info.MemberChain.Length == 0)
{
throw new InvalidOperationException();
}
var mi = info.MemberChain.First(m => m.DeclaringType !.IsSameOrParentOf(_unionParameter !.Type));
var member = new Member
{
SequenceInfo = info,
MemberExpression = Expression.MakeMemberAccess(_unionParameter, mi)
};
unionMembers.Add(new UnionMember {
Member = member, Info1 = info
});
}
foreach (var info in info2)
{
if (info.MemberChain.Length == 0)
{
throw new InvalidOperationException();
}
var em = unionMembers.FirstOrDefault(m =>
m.Member.SequenceInfo != null &&
m.Info2 == null &&
m.Member.SequenceInfo.CompareMembers(info));
if (em == null)
{
em = unionMembers.FirstOrDefault(m =>
m.Member.SequenceInfo != null &&
m.Info2 == null &&
m.Member.SequenceInfo.CompareLastMember(info));
}
if (em == null)
{
var member = new Member {
MemberExpression = Expression.MakeMemberAccess(_unionParameter, info.MemberChain[0])
};
if (_sequence2.IsExpression(member.MemberExpression, 1, RequestFor.Object).Result)
{
throw new LinqException("Types in {0} are constructed incompatibly.", _methodCall.Method.Name);
}
unionMembers.Add(new UnionMember {
Member = member, Info2 = info
});
}
else
{
em.Info2 = info;
}
}
void Init()
{
var info1 = _sequence1.ConvertToIndex(null, 0, ConvertFlags.All).ToList();
var info2 = _sequence2.ConvertToIndex(null, 0, ConvertFlags.All).ToList();
if (!_isObject)
{
return;
}
var unionMembers = new List <UnionMember>();
foreach (var info in info1)
{
if (info.MemberChain.Count == 0)
{
throw new InvalidOperationException();
}
var mi = info.MemberChain.First(m => m.DeclaringType.IsSameOrParentOf(_unionParameter !.Type));
var member = new Member
{
SequenceInfo = info,
MemberExpression = Expression.MakeMemberAccess(_unionParameter, mi)
};
unionMembers.Add(new UnionMember {
Member = member, Info1 = info
});
}
foreach (var info in info2)
{
if (info.MemberChain.Count == 0)
{
throw new InvalidOperationException();
}
var em = unionMembers.FirstOrDefault(m =>
m.Member.SequenceInfo != null &&
m.Info2 == null &&
m.Member.SequenceInfo.CompareMembers(info));
if (em == null)
{
em = unionMembers.FirstOrDefault(m =>
m.Member.SequenceInfo != null &&
m.Info2 == null &&
m.Member.SequenceInfo.CompareLastMember(info));
}
if (em == null)
{
var member = new Member {
MemberExpression = Expression.MakeMemberAccess(_unionParameter, info.MemberChain[0])
};
if (_sequence2.IsExpression(member.MemberExpression, 1, RequestFor.Object).Result)
{
throw new LinqException("Types in {0} are constructed incompatibly.", _methodCall.Method.Name);
}
unionMembers.Add(new UnionMember {
Member = member, Info2 = info
});
}
else
{
em.Info2 = info;
}
}
var aliases1 = _sequence1.SelectQuery.Select.Columns.ToLookup(c => c.Expression, c => c.Alias);
var aliases2 = _sequence2.SelectQuery.Select.Columns.ToLookup(c => c.Expression, c => c.Alias);
_sequence1.SelectQuery.Select.Columns.Clear();
_sequence2.SelectQuery.Select.Columns.Clear();
for (var i = 0; i < unionMembers.Count; i++)
{
var member = unionMembers[i];
if (member.Info1 == null)
{
var type = unionMembers.First(m => m.Info1 != null).Info1 !.MemberChain.First().GetMemberType();
member.Info1 = new SqlInfo(member.Info2 !.MemberChain)
{
Sql = new SqlValue(type, null),
Query = _sequence1.SelectQuery,
};
member.Member.SequenceInfo = member.Info1;
}
if (member.Info2 == null)
{
var spam = unionMembers.First(m => m.Info2 != null).Info2 !.MemberChain.First();
var type = spam.GetMemberType();
member.Info2 = new SqlInfo(member.Info1.MemberChain)
{
Sql = new SqlValue(type, null),
Query = _sequence2.SelectQuery,
};
}