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https://issues.apache.org/jira/browse/ASTERIXDB-1208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Taewoo Kim closed ASTERIXDB-1208.
---------------------------------
Resolution: Fixed
https://asterix-gerrit.ics.uci.edu/#/c/1448/
> ngram tokenizer failure with negative length
> --------------------------------------------
>
> Key: ASTERIXDB-1208
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-1208
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: Hyracks Core
> Reporter: Wenhai
> Assignee: Taewoo Kim
>
> Schemas
> {noformat}
> drop dataverse test if exists;
> create dataverse test;
> use dataverse test;
> create type DBLPOpenType as open {
> id: int64,
> dblpid: string,
> authors: string,
> misc: string
> }
> create dataset DBLPOpen(DBLPOpenType) primary key id;
> insert into dataset DBLPOpen { "id": 93, "dblpid":
> "journals/iandc/IbarraJCR91", "authors": "Some Classes of Languages in NC¹",
> "misc": "2006-04-25 86-106 Inf. Comput. January 1991 90 1
> db/journals/iandc/iandc90.html#IbarraJCR91" }
> {noformat}
> Query
> {noformat}
> use dataverse test;
> set import-private-functions 'true'
> for $d in dataset DBLPOpen
> where
> similarity-jaccard(gram-tokens("",3,false),gram-tokens($d.title,3,false)) >=
> 0.5
> return {"rec": $d}
> {noformat}
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