Bob Rumsby created DRILL-1718:
---------------------------------
Summary: FLATTEN query returns "buffer is neither a method, a
field, nor a member class..." error
Key: DRILL-1718
URL: https://issues.apache.org/jira/browse/DRILL-1718
Project: Apache Drill
Issue Type: Bug
Components: Functions - Drill
Affects Versions: 0.7.0
Environment: 0.7.0 snapshot on MacOSX in embedded mode
Reporter: Bob Rumsby
A query with a FLATTEN function and a WHERE clause constraint on the flattened
column fails.
0: jdbc:drill:zk=local> select name, flatten(categories) as categories from
dfs.yelp.`yelp_academic_dataset_business.json` where categories='Pizza';
Query failed: Failure while running fragment., Line 68, Column 95: "buffer" is
neither a method, a field, nor a member class of
"org.apache.drill.exec.expr.holders.RepeatedVarCharHolder" [
67016271-7266-4438-9529-d8330b1e39a4 on 10.250.0.28:31010 ]
Error: exception while executing query: Failure while executing query.
(state=,code=0)
0: jdbc:drill:zk=local> explain plan for select name, flatten(categories) as
categories from dfs.yelp.`yelp_academic_dataset_business.json` where
categories='Pizza';
+------------+------------+
| text | json |
+------------+------------+
| 00-00 Screen
00-01 Project(name=[$1], categories=[$2])
00-02 Flatten(flattenField=[$2])
00-03 Project(EXPR$0=[$0], EXPR$1=[$1], EXPR$2=[$0])
00-04 SelectionVectorRemover
00-05 Filter(condition=[=($0, 'Pizza')])
00-06 Scan(groupscan=[EasyGroupScan
[selectionRoot=/Users/brumsby/drill/apache-drill-0.7.0-incubating-SNAPSHOT/yelpdata/yelp_academic_dataset_business.json,
numFiles=1, columns=[`categories`, `name`],
files=[file:/Users/brumsby/drill/apache-drill-0.7.0-incubating-SNAPSHOT/yelpdata/yelp_academic_dataset_business.json]]])
| {
"head" : {
"version" : 1,
"generator" : {
"type" : "ExplainHandler",
"info" : ""
},
"type" : "APACHE_DRILL_PHYSICAL",
"options" : [ ],
"queue" : 0,
"resultMode" : "EXEC"
},
"graph" : [ {
"pop" : "fs-scan",
"@id" : 6,
"files" : [
"file:/Users/brumsby/drill/apache-drill-0.7.0-incubating-SNAPSHOT/yelpdata/yelp_academic_dataset_business.json"
],
"storage" : {
"type" : "file",
"enabled" : true,
"connection" : "file:///",
"workspaces" : {
"root" : {
"location" : "/",
"writable" : false,
"defaultInputFormat" : null
},
"yelp" : {
"location" :
"/Users/brumsby/drill/apache-drill-0.7.0-incubating-SNAPSHOT/yelpdata",
"writable" : true,
"defaultInputFormat" : null
}
},
"formats" : {
"psv" : {
"type" : "text",
"extensions" : [ "tbl" ],
"delimiter" : "|"
},
"csv" : {
"type" : "text",
"extensions" : [ "csv" ],
"delimiter" : ","
},
"tsv" : {
"type" : "text",
"extensions" : [ "tsv" ],
"delimiter" : "\t"
},
"parquet" : {
"type" : "parquet"
},
"json" : {
"type" : "json"
}
}
},
"format" : {
"type" : "json"
},
"columns" : [ "`categories`", "`name`" ],
"selectionRoot" :
"/Users/brumsby/drill/apache-drill-0.7.0-incubating-SNAPSHOT/yelpdata/yelp_academic_dataset_business.json",
"cost" : 36382.0
}, {
"pop" : "filter",
"@id" : 5,
"child" : 6,
"expr" : "equal(`categories`, 'Pizza') ",
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : 5457.3
}, {
"pop" : "selection-vector-remover",
"@id" : 4,
"child" : 5,
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : 5457.3
}, {
"pop" : "project",
"@id" : 3,
"exprs" : [ {
"ref" : "`EXPR$0`",
"expr" : "`categories`"
}, {
"ref" : "`EXPR$1`",
"expr" : "`name`"
}, {
"ref" : "`EXPR$2`",
"expr" : "`categories`"
} ],
"child" : 4,
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : 5457.3
}, {
"pop" : "flatten",
"@id" : 2,
"child" : 3,
"column" : "`EXPR$2`",
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : 5457.3
}, {
"pop" : "project",
"@id" : 1,
"exprs" : [ {
"ref" : "`name`",
"expr" : "`EXPR$1`"
}, {
"ref" : "`categories`",
"expr" : "`EXPR$2`"
} ],
"child" : 2,
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : 5457.3
}, {
"pop" : "screen",
"@id" : 0,
"child" : 1,
"initialAllocation" : 1000000,
"maxAllocation" : 10000000000,
"cost" : 5457.3
} ]
} |
+------------+------------+
1 row selected (0.115 seconds)
0: jdbc:drill:zk=local>
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
