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| author | Robert Haas <rhaas@postgresql.org> | 2017-02-19 15:53:59 +0530 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2017-02-19 15:57:55 +0530 |
| commit | 0414b26bac09379a4cbf1fbd847d1cee2293c5e4 (patch) | |
| tree | 16554f77178d068e27bd53c2404a6f8468c90746 /src/backend/commands/tablecmds.c | |
| parent | 16be2fd100199bdf284becfcee02c5eb20d8a11d (diff) | |
| download | postgresql-0414b26bac09379a4cbf1fbd847d1cee2293c5e4.tar.gz postgresql-0414b26bac09379a4cbf1fbd847d1cee2293c5e4.zip | |
Add optimizer and executor support for parallel index-only scans.
Commit 5262f7a4fc44f651241d2ff1fa688dd664a34874 added similar support
for parallel index scans; this extends that work to index-only scans.
As with parallel index scans, this requires support from the index AM,
so currently parallel index-only scans will only be possible for btree
indexes.
Rafia Sabih, reviewed and tested by Rahila Syed, Tushar Ahuja,
and Amit Kapila
Discussion: http://postgr.es/m/CAOGQiiPEAs4C=TBp0XShxBvnWXuzGL2u++Hm1=qnCpd6_Mf8Fw@mail.gmail.com
Diffstat (limited to 'src/backend/commands/tablecmds.c')
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