Prevent possible compiler warnings.

tglsfdc · tglsfdc · commit a74f50a3f627 · 2013-11-30T11:12:16.000-05:00
Back-patch commit a3e8486 into the 9.0 branch. This is the only warning I'm seeing in the live branches with gcc 4.4.7 (other than the known "unused variable 'yyg'" flex lossage), which makes it just annoying enough to want to clean up.
diff --git a/src/backend/utils/adt/dbsize.c b/src/backend/utils/adt/dbsize.c
@@ -609,6 +609,9 @@ pg_relation_filepath(PG_FUNCTION_ARGS)
 		default:
 			/* no storage, return NULL */
 			rnode.relNode = InvalidOid;
+			/* some compilers generate warnings without these next two lines */
+			rnode.dbNode = InvalidOid;
+			rnode.spcNode = InvalidOid;
 			break;
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -609,6 +609,9 @@ pg_relation_filepath(PG_FUNCTION_ARGS)`
`609`	`609`	`default:`
`610`	`610`	`/* no storage, return NULL */`
`611`	`611`	`rnode.relNode = InvalidOid;`
	`612`	`+ /* some compilers generate warnings without these next two lines */`
	`613`	`+ rnode.dbNode = InvalidOid;`
	`614`	`+ rnode.spcNode = InvalidOid;`
`612`	`615`	`break;`
`613`	`616`	`}`
`614`	`617`