| { |
| "head" : { |
| "type" : "APACHE_DRILL_LOGICAL", |
| "version" : 1, |
| "generator" : { |
| "type" : "optiq", |
| "info" : "na" |
| } |
| }, |
| "storage" : { |
| "parquet-local" : { |
| "type" : "parquet", |
| "dfsName" : "file:///", |
| "enabled" : true |
| } |
| }, |
| "query" : [ { |
| "op" : "scan", |
| "@id" : 1, |
| "memo" : "initial_scan", |
| "storageengine" : "parquet-local", |
| "selection" : [ { |
| "path" : "/tmp/region.parquet" |
| } ], |
| "ref" : "_MAP" |
| }, { |
| "op" : "filter", |
| "@id" : 2, |
| "input" : 1, |
| "expr" : " (_MAP.R_NAME) == ('AFRICA') " |
| }, { |
| "op" : "project", |
| "@id" : 3, |
| "input" : 2, |
| "projections" : [ { |
| "ref" : "EXPR$0", |
| "expr" : "_MAP.R_REGIONKEY" |
| }, { |
| "ref" : "NAME", |
| "expr" : "_MAP.R_NAME" |
| } ] |
| }, { |
| "op" : "store", |
| "@id" : 4, |
| "memo" : "output sink", |
| "input" : 3, |
| "target" : { |
| "number" : 0 |
| }, |
| "partition" : null, |
| "storageEngine" : "queue" |
| } ] |
| } |
