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https://issues.apache.org/jira/browse/ASTERIXDB-3255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17763164#comment-17763164
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ASF subversion and git services commented on ASTERIXDB-3255:
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Commit dcfbcad74fcf7ab2596ca14c5b4831beba7d62dc in asterixdb's branch
refs/heads/master from Wail Alkowaileet
[ https://gitbox.apache.org/repos/asf?p=asterixdb.git;h=dcfbcad74f ]
[ASTERIXDB-3255][EXT] Part1: Embed external filter values
- user model changes: yes
- storage format changes: no
- interface changes: yes
Details:
- Embed filter values by default
-- Users can disable that by setting 'embed-filter-values'
to false when creating an external dataset.
-- Value embedding is performed at the parser level
- This patch includes the support of value embedding when
querying JSON-based external datasets.
- The support for Parquet, CSV, and TSV will be included
in follow-up patches.
Change-Id: Ia61a62ab1390d9d87105898cf8c17f77c136c434
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/17751
Integration-Tests: Jenkins <[email protected]>
Tested-by: Jenkins <[email protected]>
Reviewed-by: Wail Alkowaileet <[email protected]>
Reviewed-by: Hussain Towaileb <[email protected]>
> Embed computed fields' values to resulting records
> --------------------------------------------------
>
> Key: ASTERIXDB-3255
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-3255
> Project: Apache AsterixDB
> Issue Type: Improvement
> Components: EXT - External data
> Affects Versions: 0.9.9
> Reporter: Wail Y. Alkowaileet
> Assignee: Wail Y. Alkowaileet
> Priority: Major
> Labels: triaged
> Fix For: 0.9.9
>
>
> The current implementation of dynamic prefixes requires that declared
> computed fields should also appear in the external datasets' records. In
> certain use cases, computed fields may not have the same values or they may
> have a different JSON path or type. Those cases should be handled by
> embedding the values of computed fields.
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