Fix typo in comment.

Etsuro Fujita · Etsuro Fujita · commit e429b03cc63b · 2019-11-27T16:00:49.000+09:00
diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c
@@ -735,7 +735,7 @@ build_joinrel_tlist(PlannerInfo *root, RelOptInfo *joinrel,
  *	  join paths made from this pair of sub-relations.  (It will not need to
  *	  be considered further up the join tree.)
  *
- *	  In many case we will find the same RestrictInfos in both input
+ *	  In many cases we will find the same RestrictInfos in both input
  *	  relations' joinlists, so be careful to eliminate duplicates.
  *	  Pointer equality should be a sufficient test for dups, since all
  *	  the various joinlist entries ultimately refer to RestrictInfos

Original file line number	Diff line number	Diff line change
`@@ -735,7 +735,7 @@ build_joinrel_tlist(PlannerInfo root, RelOptInfo joinrel,`
`735`	`735`	`* join paths made from this pair of sub-relations. (It will not need to`
`736`	`736`	`* be considered further up the join tree.)`
`737`	`737`	`*`
`738`		`- * In many case we will find the same RestrictInfos in both input`
	`738`	`+ * In many cases we will find the same RestrictInfos in both input`
`739`	`739`	`* relations' joinlists, so be careful to eliminate duplicates.`
`740`	`740`	`* Pointer equality should be a sufficient test for dups, since all`
`741`	`741`	`* the various joinlist entries ultimately refer to RestrictInfos`