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Posted to dev@asterixdb.apache.org by Yingyi Bu <bu...@gmail.com> on 2016/04/19 01:57:22 UTC

why loading an enforced index needs to cast-record?

Why does loading an enforced secondary index need to cast records [1] [2]
[3]?
It doesn't seem to be efficient, since what really needs to be checked is
only the type of the indexed fields.
Any thoughts?

Best,
Yingyi

[1]
https://github.com/apache/incubator-asterixdb/blob/master/asterixdb/asterix-app/src/main/java/org/apache/asterix/file/SecondaryBTreeOperationsHelper.java#L148
[2]
https://github.com/apache/incubator-asterixdb/blob/master/asterixdb/asterix-app/src/main/java/org/apache/asterix/file/SecondaryInvertedIndexOperationsHelper.java#L253
[3]
https://github.com/apache/incubator-asterixdb/blob/master/asterixdb/asterix-app/src/main/java/org/apache/asterix/file/SecondaryRTreeOperationsHelper.java#L310

Re: why loading an enforced index needs to cast-record?

Posted by Yingyi Bu <bu...@gmail.com>.

ASTERIXDB-1404 [1] has been created based on the conversation with @Ildar.

Best,
Yingyi

[1] https://issues.apache.org/jira/browse/ASTERIXDB-1404

On Mon, Apr 18, 2016 at 4:57 PM, Yingyi Bu <bu...@gmail.com> wrote:

> Why does loading an enforced secondary index need to cast records [1] [2]
> [3]?
> It doesn't seem to be efficient, since what really needs to be checked is
> only the type of the indexed fields.
> Any thoughts?
>
> Best,
> Yingyi
>
> [1]
> https://github.com/apache/incubator-asterixdb/blob/master/asterixdb/asterix-app/src/main/java/org/apache/asterix/file/SecondaryBTreeOperationsHelper.java#L148
> [2]
> https://github.com/apache/incubator-asterixdb/blob/master/asterixdb/asterix-app/src/main/java/org/apache/asterix/file/SecondaryInvertedIndexOperationsHelper.java#L253
> [3]
> https://github.com/apache/incubator-asterixdb/blob/master/asterixdb/asterix-app/src/main/java/org/apache/asterix/file/SecondaryRTreeOperationsHelper.java#L310
>
>