Fix typo in comment.

Etsuro Fujita · Etsuro Fujita · commit 474cd0931b75 · 2019-11-27T16:00:51.000+09:00
diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c
@@ -672,7 +672,7 @@ 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
`@@ -672,7 +672,7 @@ build_joinrel_tlist(PlannerInfo root, RelOptInfo joinrel,`
`672`	`672`	`* join paths made from this pair of sub-relations. (It will not need to`
`673`	`673`	`* be considered further up the join tree.)`
`674`	`674`	`*`
`675`		`- * In many case we will find the same RestrictInfos in both input`
	`675`	`+ * In many cases we will find the same RestrictInfos in both input`
`676`	`676`	`* relations' joinlists, so be careful to eliminate duplicates.`
`677`	`677`	`* Pointer equality should be a sufficient test for dups, since all`
`678`	`678`	`* the various joinlist entries ultimately refer to RestrictInfos`