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Diffstat (limited to 'doc/development/understanding_explain_plans.md')
-rw-r--r-- | doc/development/understanding_explain_plans.md | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/doc/development/understanding_explain_plans.md b/doc/development/understanding_explain_plans.md index bfbb7be70e3..7c926c83a36 100644 --- a/doc/development/understanding_explain_plans.md +++ b/doc/development/understanding_explain_plans.md @@ -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 @@ -654,7 +654,6 @@ and related tools such as: - <https://explain.depesz.com/> - <http://tatiyants.com/postgres-query-plan-visualization/> - ## Producing query plans There are a few ways to get the output of a query plan. Of course you |