| { |
| "head" : { |
| "version" : 1, |
| "generator" : { |
| "type" : "org.apache.drill.exec.planner.logical.DrillImplementor", |
| "info" : "" |
| }, |
| "type" : "APACHE_DRILL_PHYSICAL", |
| "resultMode" : "EXEC" |
| }, |
| "graph" : [ { |
| "@id" : 1, |
| "pop" : "fs-scan", |
| "format" : { |
| "type" : "json" |
| }, |
| "storage" : { |
| "type" : "file", |
| "connection" : "classpath:///", |
| "enabled" : true |
| }, |
| "files" : [ "#{TEST_FILE}" ] |
| }, { |
| "pop" : "project", |
| "@id" : 2, |
| "exprs" : [ { |
| "ref" : "`A`", |
| "expr" : "`A`" |
| }, { |
| "ref" : "`B`", |
| "expr" : "`B`" |
| }, { |
| "ref" : "`C`", |
| "expr" : "`C`" |
| }, { |
| "ref" : "`D`", |
| "expr" : "`D`" |
| } ], |
| "child" : 1 |
| }, { |
| "pop" : "streaming-aggregate", |
| "@id" : 3, |
| "child" : 2, |
| "keys" : [ ], |
| "exprs" : [ { |
| "ref" : "`EXPR$1`", |
| "expr" : "covar_samp(`A`, `B`) " |
| }, { |
| "ref" : "`EXPR$2`", |
| "expr" : "covar_samp(`A`, `C`) " |
| }, { |
| "ref" : "`EXPR$3`", |
| "expr" : "covar_samp(`C`, `D`) " |
| }, { |
| "ref" : "`EXPR$4`", |
| "expr" : "covar_pop(`A`, `B`) " |
| }, { |
| "ref" : "`EXPR$5`", |
| "expr" : "covar_pop(`A`, `C`) " |
| }, { |
| "ref" : "`EXPR$6`", |
| "expr" : "covar_pop(`C`, `D`) " |
| }, { |
| "ref" : "`EXPR$7`", |
| "expr" : "corr(`A`, `B`) " |
| }, { |
| "ref" : "`EXPR$8`", |
| "expr" : "corr(`A`, `C`) " |
| }, { |
| "ref" : "`EXPR$9`", |
| "expr" : "corr(`C`, `D`) " |
| } ] |
| }, { |
| "pop" : "screen", |
| "@id" : 4, |
| "child" : 3 |
| } ] |
| } |