bakey

When I try to build the example udfs and run it , I got error: LLVM ERROR: Program used external function 'add_five' which could not be resolved! I figure that...

Opitimizer bug for push down a comparison filter

3

### What happens? We create a table like this: ``` CREATE TABLE s111(location string, id integer, _default_time_index_ TIMESTAMP) ``` and use this sql to query ``` select * from s111...