public static IJoinBigQueryable <TResult> Join <TOuter, TInner, TResult>(this IJoinBigQueryable <TOuter> source,
JoinType joinType,
IFlattenBigQueryable <TInner> joinTable,
Expression <Func <TOuter, TInner, TResult> > aliasSelector,
Expression <Func <TResult, bool> > joinCondition)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
var tb = joinTable as ITableName;
if (tb == null)
{
var flatten = joinTable as IFlattenBigQueryable <TInner>;
if (flatten == null)
{
throw new ArgumentException("not supports joinTable Type:" + joinTable.GetType());
}
else
{
return(new JoinBigQueryable <TOuter, TInner, TResult>(source, (InternalJoinType)joinType, null, null, flatten, aliasSelector, joinCondition));
}
}
return(new JoinBigQueryable <TOuter, TInner, TResult>(source, (InternalJoinType)joinType, tb.GetTableName(), null, null, aliasSelector, joinCondition));
}
internal JoinBigQueryable(
IBigQueryable parent,
InternalJoinType joinType,
string joinTableName,
IExecutableBigQueryable <TInner> joinTable,
IFlattenBigQueryable <TInner> joinFlattenTable,
Expression <Func <TOuter, TInner, TResult> > aliasSelector,
Expression <Func <TResult, bool> > joinCondition)
: base(parent)
{
this.joinType = joinType;
this.joinTableName = joinTableName;
this.joinFlattenTable = joinFlattenTable as FlattenBigQueryable <TInner>;
var sub = joinTable as SubqueryBigQueryable <TInner>;
if (sub != null)
{
this.joinTable = sub;
}
else if (joinTable != null)
{
this.joinTable = joinTable.Into() as SubqueryBigQueryable <TInner>;
}
this.aliasSelector = aliasSelector;
this.joinCondition = joinCondition;
}
