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Posted to issues@drill.apache.org by "Chun Chang (JIRA)" <ji...@apache.org> on 2015/04/29 00:25:05 UTC
[jira] [Closed] (DRILL-1718) FLATTEN query returns "buffer is
neither a method, a field, nor a member class..." error
[ https://issues.apache.org/jira/browse/DRILL-1718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chun Chang closed DRILL-1718.
-----------------------------
Assignee: Chun Chang (was: Steven Phillips)
error message. will not add automation
> 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
> Assignee: Chun Chang
> Fix For: 0.8.0
>
> Attachments: DRILL-1718.1.patch.txt
>
>
> 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>
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