Re: Asynchronous Append on postgres_fdw nodes.

movead.li@highgo.ca <movead.li@highgo.ca>

From: movead li <movead.li@highgo.ca>

To: pgsql-hackers@lists.postgresql.org

Cc: Kyotaro Horiguchi <horikyota.ntt@gmail.com>

Date: 2020-03-09T03:03:14Z

Lists: pgsql-hackers

The following review has been posted through the commitfest application:
make installcheck-world:  not tested
Implements feature:       tested, passed
Spec compliant:           not tested
Documentation:            not tested

I have tested the feature and it shows great performance in queries
which have small amount result compared with base scan amount.

Commits

Improve comments for trivial_subqueryscan().
- 4a8a5dd7f59c 15.0 landed
Disable asynchronous execution if using gating Result nodes.
- ebb790241523 14.3 landed
- 5c854e7a2c8a 15.0 landed
Allow asynchronous execution in more cases.
- c2bb02bc2e85 15.0 landed
Doc: Further update documentation for asynchronous execution.
- eab81953682d 14.0 landed
Fix rescanning of async-aware Append nodes.
- f3baaf28a6da 14.0 landed
Doc: Update documentation for asynchronous execution.
- 15fcd33e0694 14.0 landed
Fix EXPLAIN ANALYZE for async-capable nodes.
- a363bc6da96b 14.0 landed
Minor code cleanup in asynchronous execution support.
- bb684c82f733 14.0 landed
Adjust input value to WaitEventSetWait() in ExecAppendAsyncEventWait().
- a8af856d3257 14.0 landed
Add support for asynchronous execution.
- 27e1f14563cf 14.0 landed