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Links: switch from GitHub to GitLab Postgres mirror repo

Browse source 
GitLab.com also has an up-to-date Postgres mirror.
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Nikolay Samokhvalov 2019-08-13 06:03:53 +00:00 committed by Achilleas Pipinellis
parent 6a9c2461d9
commit 5487280c8c
1 changed files with 2 additions and 2 deletions
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4
doc/development/understanding_explain_plans.md
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@ -199,7 +199,7 @@ more common ones here.
A full list of all the available nodes and their descriptions can be found in
the [PostgreSQL source file
"plannodes.h"](https://github.com/postgres/postgres/blob/master/src/include/nodes/plannodes.h)
"plannodes.h"](https://gitlab.com/postgres/postgres/blob/master/src/include/nodes/plannodes.h)
### Seq Scan
@ -224,7 +224,7 @@ used when we would read too much data from an index scan, but too little to
perform a sequential scan. A bitmap scan uses what is known as a [bitmap
index](https://en.wikipedia.org/wiki/Bitmap_index) to perform its work.
The [source code of PostgreSQL](https://github.com/postgres/postgres/blob/1c2cb2744bf3d8ad751cd5cf3b347f10f48492b3/src/include/nodes/plannodes.h#L446-L457)
The [source code of PostgreSQL](https://gitlab.com/postgres/postgres/blob/REL_11_STABLE/src/include/nodes/plannodes.h#L441)
states the following on bitmap scans:
> Bitmap Index Scan delivers a bitmap of potential tuple locations; it does not