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authorEtsuro Fujita <efujita@postgresql.org>2020-05-22 15:45:00 +0900
committerEtsuro Fujita <efujita@postgresql.org>2020-05-22 15:45:00 +0900
commitbb2ae6fa47e5d84b6c5a9e3845021e7df031ec32 (patch)
tree557aa2cf3049c52d536056d6d5c1a7b7d39facdf
parent10e1521f5c29da2dbe331462feb5408d5ef16915 (diff)
Adjust indentation in src/backend/optimizer/README.
The previous indentation of optimizer functions was unclear; adjust the indentation dashes so that a deeper level of indentation indicates that the outer optimizer function calls the inner one. Author: Richard Guo, with additional change by me Reviewed-by: Kyotaro Horiguchi Discussion: https://postgr.es/m/CAMbWs4-U-ogzpchGsP2BBMufCss1hktm%2B%2BeTJK_dUC196pw0cQ%40mail.gmail.com
-rw-r--r--src/backend/optimizer/README4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/optimizer/README b/src/backend/optimizer/README
index 7dcab9a54b6..d174b8cb73a 100644
--- a/src/backend/optimizer/README
+++ b/src/backend/optimizer/README
@@ -315,7 +315,7 @@ set up for recursive handling of subqueries
preprocess target list for non-SELECT queries
handle UNION/INTERSECT/EXCEPT, GROUP BY, HAVING, aggregates,
ORDER BY, DISTINCT, LIMIT
---query_planner()
+---query_planner()
make list of base relations used in query
split up the qual into restrictions (a=1) and joins (b=c)
find qual clauses that enable merge and hash joins
@@ -325,7 +325,7 @@ set up for recursive handling of subqueries
find selectivity of columns used in joins
make_rel_from_joinlist()
hand off join subproblems to a plugin, GEQO, or standard_join_search()
------standard_join_search()
+------standard_join_search()
call join_search_one_level() for each level of join tree needed
join_search_one_level():
For each joinrel of the prior level, do make_rels_by_clause_joins()