Fix typo in comment.

Etsuro Fujita · Etsuro Fujita · commit 304ea5d98ed8 · 2019-11-27T16:00:55.000+09:00
diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c
@@ -583,7 +583,7 @@ 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
`@@ -583,7 +583,7 @@ build_joinrel_tlist(PlannerInfo root, RelOptInfo joinrel,`
`583`	`583`	`* join paths made from this pair of sub-relations. (It will not need to`
`584`	`584`	`* be considered further up the join tree.)`
`585`	`585`	`*`
`586`		`- * In many case we will find the same RestrictInfos in both input`
	`586`	`+ * In many cases we will find the same RestrictInfos in both input`
`587`	`587`	`* relations' joinlists, so be careful to eliminate duplicates.`
`588`	`588`	`* Pointer equality should be a sufficient test for dups, since all`
`589`	`589`	`* the various joinlist entries ultimately refer to RestrictInfos`