public static CommitSelectionExpression ByAuthors(
this CommitSelectionExpression parentExp)
{
return(parentExp.Reselect(s =>
from c in s
join a in parentExp.Selection <Author>() on c.AuthorId equals a.Id
select c
));
}
public static CommitSelectionExpression ContainModifications(this CommitSelectionExpression parentExp)
{
return(parentExp.Reselect(s =>
(
from c in s
join m in parentExp.Selection <Modification>() on c.Number equals m.CommitNumber
select c
).Distinct()
));
}
public static CommitSelectionExpression TouchFiles(this CommitSelectionExpression parentExp)
{
return(parentExp.Reselect(s =>
(
from c in s
join m in parentExp.Queryable <Modification>() on c.Number equals m.CommitNumber
join f in parentExp.Selection <CodeFile>() on m.FileId equals f.Id
select c
).Distinct()
));
}
public static CommitSelectionExpression NotByAuthors(
this CommitSelectionExpression parentExp)
{
return(parentExp.Reselect(s =>
from c in s
join a in parentExp.Selection <Author>() on c.AuthorId equals a.Id into agroup
from author in agroup.DefaultIfEmpty()
where author == null
select c
));
}
public static CommitSelectionExpression WithTags(
this CommitSelectionExpression parentExp, params string[] tags)
{
return(parentExp.Reselect(s =>
(from c in s
join ca in parentExp.Selection <CommitAttribute>() on c.Number equals ca.CommitNumber
where
ca.Type == CommitAttribute.TAG &&
tags.Contains(ca.Data)
select c).Distinct()
));
}