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ASF subversion and git services commented on ASTERIXDB-3025: ------------------------------------------------------------ Commit af65cd9aa3ac2ed11633973d1fa10c78b1d4c59e in asterixdb's branch refs/heads/master from Wail Alkowaileet [ https://gitbox.apache.org/repos/asf?p=asterixdb.git;h=af65cd9 ] [ASTERIXDB-3025][HYR] Introduce ITupleProjector - user model changes: no - storage format changes: no - interface changes: yes Details: The TupleProjector is a way to pushdown value accesses for the internal datasets (similar to Parquet's). The current default implementation is basically a no-op. This patch introduces the mechanism for the columnar format's tuple projector implementation. Change-Id: I1fadcef70451a7616e021771a1110413de4fb711 Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/15465 Contrib: Jenkins <jenk...@fulliautomatix.ics.uci.edu> Integration-Tests: Jenkins <jenk...@fulliautomatix.ics.uci.edu> Tested-by: Jenkins <jenk...@fulliautomatix.ics.uci.edu> Reviewed-by: Wail Alkowaileet <wael....@gmail.com> Reviewed-by: Ali Alsuliman <ali.al.solai...@gmail.com> Reviewed-by: Murtadha Hubail <mhub...@apache.org> > Introduce TupleProjector to allow Value Access Pushdowns > -------------------------------------------------------- > > Key: ASTERIXDB-3025 > URL: https://issues.apache.org/jira/browse/ASTERIXDB-3025 > Project: Apache AsterixDB > Issue Type: New Feature > Components: HYR - Hyracks > Affects Versions: 0.9.8 > Reporter: Wail Y. Alkowaileet > Assignee: Wail Y. Alkowaileet > Priority: Major > Fix For: 0.9.8 > > > To prepare for the column format, we need to support value access pushdown > for internal datasets (similar to Parquet). > The TupleProjector allows AsterixDB to ask the primary index which values are > needed. For the columnar format, it allows Hyracks to only read values that > have been requested by a query. -- This message was sent by Atlassian Jira (v8.20.1#820001)