Fix comment in xact.h

michaelpq · michaelpq · commit f9cb8bd3f217 · 2019-11-20T17:48:31.000+09:00
xl_xact_relfilenodes refers to a number of relations, not XIDs, whose relfilenodes are processed. Author: Yu Kimura Discussion: https://postgr.es/m/a6ba6cf6bd0c990e019f008bae83437f@oss.nttdata.com
diff --git a/src/include/access/xact.h b/src/include/access/xact.h
@@ -239,7 +239,7 @@ typedef struct xl_xact_subxacts
 
 typedef struct xl_xact_relfilenodes
 {
-	int			nrels;			/* number of subtransaction XIDs */
+	int			nrels;			/* number of relations */
 	RelFileNode xnodes[FLEXIBLE_ARRAY_MEMBER];
 } xl_xact_relfilenodes;
 #define MinSizeOfXactRelfilenodes offsetof(xl_xact_relfilenodes, xnodes)

Original file line number	Diff line number	Diff line change
`@@ -239,7 +239,7 @@ typedef struct xl_xact_subxacts`
`239`	`239`
`240`	`240`	`typedef struct xl_xact_relfilenodes`
`241`	`241`	`{`
`242`		`- int nrels; /* number of subtransaction XIDs */`
	`242`	`+ int nrels; /* number of relations */`
`243`	`243`	`RelFileNode xnodes[FLEXIBLE_ARRAY_MEMBER];`
`244`	`244`	`} xl_xact_relfilenodes;`
`245`	`245`	`#define MinSizeOfXactRelfilenodes offsetof(xl_xact_relfilenodes, xnodes)`