void SetInfo(SqlInfo info)
{
info.Query = SqlQuery;
if (info.Sql == SqlQuery)
info.Index = SqlQuery.Select.Columns.Count - 1;
else
info.Index = SqlQuery.Select.Add(info.Sql);
}
void CheckAndAddMember(IBuildContext sequence1, IBuildContext sequence2, SqlInfo info)
{
var member = new Member
{
SequenceInfo = info,
MemberExpression = Expression.PropertyOrField(_unionParameter, info.Members[0].Name)
};
if (sequence1.IsExpression(member.MemberExpression, 1, RequestFor.Object).Result)
{
throw new LinqException("Types in {0} are constructed incompatibly.", _methodCall.Method.Name);
}
var idx = sequence2.ConvertToIndex(member.MemberExpression, 1, ConvertFlags.Field);
if (idx[0].Index != member.SequenceInfo.Index)
{
throw new LinqException("Types in {0} are constructed incompatibly.", _methodCall.Method.Name);
}
_members.Add(member.MemberExpression.Member, member);
}
public virtual SqlInfo[] ConvertToIndex(Expression expression, int level, ConvertFlags flags)
{
var key = Tuple.Create(expression, level, flags);
SqlInfo[] info;
if (!_expressionIndex.TryGetValue(key, out info))
{
info = ConvertToIndexInternal(expression, level, flags);
var newInfo = new SqlInfo[info.Length];
for (var i = 0; i < info.Length; i++)
{
var ni = info[i];
if (ni.Query != SqlQuery)
{
ni = new SqlInfo
{
Query = SqlQuery,
Member = ni.Member,
Index = SqlQuery.Select.Add(ni.Query.Select.Columns[ni.Index])
};
}
newInfo[i] = ni;
}
_expressionIndex.Add(key, newInfo);
return(newInfo);
}
return(info);
}
public bool CompareLastMember(SqlInfo info)
{
return
(Members.Count > 0 && info.Members.Count > 0 &&
TypeHelper.Equals(Members[Members.Count - 1], info.Members[info.Members.Count - 1]));
}
public bool CompareMembers(SqlInfo info)
{
return(Members.Count == info.Members.Count && !Members.Where((t, i) => !TypeHelper.Equals(t, info.Members[i])).Any());
}
public bool CompareLastMember(SqlInfo info)
{
return
Members.Count > 0 && info.Members.Count > 0 &&
TypeHelper.Equals(Members[Members.Count - 1], info.Members[info.Members.Count - 1]);
}
public bool CompareMembers(SqlInfo info)
{
return Members.Count == info.Members.Count && !Members.Where((t, i) => !TypeHelper.Equals(t, info.Members[i])).Any();
}
public bool CompareMembers(SqlInfo info)
{
return(Members.Count == info.Members.Count && !Members.Where((t, i) => t != info.Members[i]).Any());
}
public bool CompareMembers(SqlInfo info)
{
return Members.Count == info.Members.Count && !Members.Where((t, i) => t != info.Members[i]).Any();
}
