Re: Difference between sqlnode and relnode and rexnode

2016-08-19 Thread xuedong luan
Cassandra implementation will generate a CQL query, etc. > > > >> On Aug 15, 2016, at 11:52 PM, xuedong luan > wrote: > >> > >> dear all: > >>I am a newer on calcite, and i don't know the difference between > >> sqlnode and relnode and rexnode . Can anyone help me? thank you very > much > >

Re: Difference between sqlnode and relnode and rexnode

2016-08-19 Thread Julian Hyde
ring to > be executed against some database over JDBC. The Spark implementation will > convert RelNodes into operations on a Spark RDD. The Cassandra implementation > will generate a CQL query, etc. > >> On Aug 15, 2016, at 11:52 PM, xuedong luan wrote: >> >> dear all: >>I am a newer on calcite, and i don't know the difference between >> sqlnode and relnode and rexnode . Can anyone help me? thank you very much

Re: Difference between sqlnode and relnode and rexnode

2016-08-16 Thread jordan.halter...@gmail.com
ed against some database over JDBC. The Spark implementation will convert RelNodes into operations on a Spark RDD. The Cassandra implementation will generate a CQL query, etc. > On Aug 15, 2016, at 11:52 PM, xuedong luan wrote: > > dear all: > I am a newer on calcite, a

Difference between sqlnode and relnode and rexnode

2016-08-16 Thread xuedong luan
dear all: I am a newer on calcite, and i don't know the difference between sqlnode and relnode and rexnode . Can anyone help me? thank you very much