| { |
| head : { |
| type : "APACHE_DRILL_PHYSICAL", |
| version : 1, |
| generator : { |
| type : "optiq", |
| info : "na" |
| } |
| }, |
| graph : [ { |
| pop : "parquet-scan", |
| @id : 1, |
| entries : [ { |
| path : "/tmp/parquet" |
| } ], |
| storageengine: { |
| type: "parquet", |
| dfsName: "file:///" |
| }, |
| ref : "_MAP", |
| fragmentPointer : 0 |
| }, { |
| pop : "filter", |
| @id : 2, |
| child : 1, |
| expr : " (_MAP.bigInt) < (0) " |
| }, { |
| pop : "selection-vector-remover", |
| @id : 3, |
| child : 2 |
| }, { |
| pop : "project", |
| @id : 4, |
| exprs : [ { |
| ref : "KEY", |
| expr : "_MAP.bigInt" |
| } ], |
| child : 3 |
| }, { |
| pop : "screen", |
| @id : 5, |
| child : 4 |
| } ] |
| } |