| From: | Robert Haas <rhaas(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql: Fix possible crash with Parallel Bitmap Heap Scan. |
| Date: | 2017-10-13 19:09:12 |
| Message-ID: | [email protected] |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-committers |
Fix possible crash with Parallel Bitmap Heap Scan.
If a Parallel Bitmap Heap scan's chain of leftmost descendents
includes a BitmapOr whose first child is a BitmapAnd, the prior coding
would mistakenly create a non-shared TIDBitmap and then try to perform
shared iteration.
Report by Tomas Vondra. Patch by Dilip Kumar.
Discussion: http://postgr.es/m/[email protected]
Branch
------
REL_10_STABLE
Modified Files
--------------
src/backend/optimizer/plan/createplan.c | 4 ++++
1 file changed, 4 insertions(+)
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