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From "Ian Maxon (JIRA)" <>
Subject [jira] [Commented] (ASTERIXDB-1201) RTree built on the optional field refuses to load the NULL value when executing the bulk load
Date Mon, 30 Nov 2015 22:11:10 GMT


Ian Maxon commented on ASTERIXDB-1201:

I'm kind of concerned the bug was fixed by my changes though... Does the RTree appear to work
the same as the one built through insertion? I did not try an index on a  with nullable field
in my verification. Why do we even attempt to store a key with a NULL spatial attribute in
the secondary RTree, anyway? From a naive perspective I don't see how it would make sense.

> RTree built on the optional field refuses to load the NULL value when executing the bulk
> ---------------------------------------------------------------------------------------------
>                 Key: ASTERIXDB-1201
>                 URL:
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: Storage
>            Reporter: Jianfeng Jia
>            Assignee: Ian Maxon
> When I build a RTree index on an optional field, it will throw "Value provider for type
NULL is not implemented" exception when operates the bulk load.
> Here is the reproducible script:
> {code}
> drop dataverse test if exists;
> create dataverse test;
> use dataverse test;
> create type t_record as closed {
> fa : int64,
> fb: int64?,
> fc : point?
> }
> create dataset ds_set (t_record) primary key fa;
> create index bidx on ds_set(fb) type btree;
> create index cidx on ds_set(fc) type rtree;
> insert into dataset ds_set ( [{"fa":1}, {"fa":2, "fb":3}, {"fa":3, "fc":point("4.0,5.0")}]);
> load dataset ds_set
> using localfs
> (("path"=""),("format"="adm"));
> {code}
> The "insert" and "load" statements are run separately. 
> The test.adm uses the same three records:
> {code}
> {"fa":1}
> {"fa":2, "fb":3}
> {"fa":3, "fc":point("4.0,5.0")
> {code}
> The insert statement works fine. The error happens in the "load" statement only: 
> {code}
> Caused by: org.apache.hyracks.algebricks.common.exceptions.NotImplementedException: Value
provider for type NULL is not implemented
>   at$1.getValue(
>   at
>    at
>    at$RTreeBulkLoader.propagateBulk(
>    at$RTreeBulkLoader.end(
>    at$LSMRTreeBulkLoader.end(
>    at
>    ... 7 more 
> {code}
> The BTree index works fine if I remove the RTree index.

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