| { |
| "head" : { |
| "type" : "APACHE_DRILL_PHYSICAL", |
| "version" : "1", |
| "generator" : { |
| "type" : "manual" |
| } |
| }, |
| "graph" : [ { |
| "pop" : "parquet-scan", |
| "@id" : 1, |
| "entries" : [ { |
| "path" : "/tmp/parquet/nation.parquet" |
| } ], |
| "storageengine" : { |
| "type" : "parquet", |
| "dfsName" : "file:///", |
| "enabled": true |
| }, |
| "ref" : "_MAP", |
| "fragmentPointer" : 0 |
| }, { |
| "pop" : "project", |
| "@id" : 2, |
| "exprs" : [ { |
| "ref" : "regionkey", |
| "expr" : "_MAP.N_REGIONKEY" |
| }, { |
| "ref" : "nationkey", |
| "expr" : "_MAP.N_NATIONKEY" |
| } ], |
| "child" : 1 |
| }, { |
| "@id" : 3, |
| "child" : 2, |
| "pop" : "screen" |
| } ] |
| } |