database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-13 07:41:39 +03:00
Code Activity

Fix pgindent comment breakage

Browse Source
This commit is contained in:
Alvaro Herrera
2013-09-24 18:19:14 -03:00
parent 98a746c1ea
commit ea9a2bcea3
1 changed files with 7 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/backend/access/heap/visibilitymap.c
View File

@ -476,11 +476,15 @@ visibilitymap_truncate(Relation rel, BlockNumber nheapblocks)
/* Clear out the unwanted bytes. */ /* Clear out the unwanted bytes. */
MemSet(&map[truncByte + 1], 0, MAPSIZE - (truncByte + 1)); MemSet(&map[truncByte + 1], 0, MAPSIZE - (truncByte + 1));
/* /*----
* Mask out the unwanted bits of the last remaining byte. * Mask out the unwanted bits of the last remaining byte.
* *
* ((1 << 0) - 1) = 00000000 ((1 << 1) - 1) = 00000001 ... ((1 << 6) - * ((1 << 0) - 1) = 00000000
* 1) = 00111111 ((1 << 7) - 1) = 01111111 * ((1 << 1) - 1) = 00000001
* ...
* ((1 << 6) - 1) = 00111111
* ((1 << 7) - 1) = 01111111
*----
*/ */
map[truncByte] &= (1 << truncBit) - 1; map[truncByte] &= (1 << truncBit) - 1;