mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix typos.

Browse Source 
Jim Nasby
This commit is contained in:
Robert Haas 2016-03-17 07:26:20 -04:00
parent fc201dfd95
commit 0218e8b3fa
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/backend/optimizer/README
View File

@ -900,8 +900,8 @@ above, plus a relids set, which allows there to be more than one upperrel
of the same kind. We use NULL for the relids if there's no need for more of the same kind. We use NULL for the relids if there's no need for more
than one upperrel of the same kind. Currently, in fact, the relids set than one upperrel of the same kind. Currently, in fact, the relids set
is vestigial because it's always NULL, but that's expected to change in is vestigial because it's always NULL, but that's expected to change in
future. For example, in planning set operations, we might need the relids the future. For example, in planning set operations, we might need the
to denote which subset of the leaf SELECTs has been combined in a relids to denote which subset of the leaf SELECTs has been combined in a
particular group of Paths that are competing with each other. particular group of Paths that are competing with each other.
The result of subquery_planner() is always returned as a set of Paths The result of subquery_planner() is always returned as a set of Paths
@ -974,5 +974,5 @@ One of the keys to making parallel query effective is to run as much of
the query in parallel as possible. Therefore, we expect it to generally the query in parallel as possible. Therefore, we expect it to generally
be desirable to postpone the Gather stage until as near to the top of the be desirable to postpone the Gather stage until as near to the top of the
plan as possible. Expanding the range of cases in which more work can be plan as possible. Expanding the range of cases in which more work can be
pushed below the Gather (and costly them accurately) is likely to keep us pushed below the Gather (and costing them accurately) is likely to keep us
busy for a long time to come. busy for a long time to come.