tree fccc420179f683b46125ae3fa00af33b1eb95d86
parent fe90189b68b19a8029f33f4788102962d5c1b292
author Ali Alsuliman <ali.al.solaiman@gmail.com> 1553103268 -0700
committer Ali Alsuliman <ali.al.solaiman@gmail.com> 1553187656 -0700

[ASTERIXDB-2516][COMP] Avoid writing field names & values when comparing records

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
ARecordVisitablePointable writes field names, field tags, and field values
first before giving access to the record information. This is not ideal for
comparison. A different record accessor is needed for comparison. Also, the
field names should be sorted which ARecordVisitablePointable does not provide.
- avoid this writing when a pointable to the name & value can be obtained
(especially when the field value already includes the tag)
- use UTF8Pointable cached values (string length, meta length) to compare
instead of using the string comparator which would recalculate these values
- refactored some common code.
- removed not used methods in ARecordPointable

Change-Id: I19ac95a91749b2983bf06f763e463521a97a261c
Reviewed-on: https://asterix-gerrit.ics.uci.edu/3280
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>