Fix incorrect calculation of elapsed_xlogs. Itagaki Takahiro

tglsfdc · tglsfdc · commit 5858990f8793 · 2007-11-14T21:19:18.000Z
diff --git a/src/backend/postmaster/bgwriter.c b/src/backend/postmaster/bgwriter.c
@@ -37,7 +37,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/postmaster/bgwriter.c,v 1.45 2007/10/04 15:37:44 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/postmaster/bgwriter.c,v 1.46 2007/11/14 21:19:18 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -718,7 +718,7 @@ IsCheckpointOnSchedule(double progress)
 	recptr = GetInsertRecPtr();
 	elapsed_xlogs =
 		(((double) (int32) (recptr.xlogid - ckpt_start_recptr.xlogid)) * XLogSegsPerFile +
-		 ((double) (int32) (recptr.xrecoff - ckpt_start_recptr.xrecoff)) / XLogSegSize) /
+		 ((double) recptr.xrecoff - (double) ckpt_start_recptr.xrecoff) / XLogSegSize) /
 		CheckPointSegments;
 
 	if (progress < elapsed_xlogs)

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@`
`37`	`37`	`*`
`38`	`38`	`*`
`39`	`39`	`* IDENTIFICATION`
`40`		`- * $PostgreSQL: pgsql/src/backend/postmaster/bgwriter.c,v 1.45 2007/10/04 15:37:44 tgl Exp $`
	`40`	`+ * $PostgreSQL: pgsql/src/backend/postmaster/bgwriter.c,v 1.46 2007/11/14 21:19:18 tgl Exp $`
`41`	`41`	`*`
`42`	`42`	`*-------------------------------------------------------------------------`
`43`	`43`	`*/`
`@@ -718,7 +718,7 @@ IsCheckpointOnSchedule(double progress)`
`718`	`718`	`recptr = GetInsertRecPtr();`
`719`	`719`	`elapsed_xlogs =`
`720`	`720`	`(((double) (int32) (recptr.xlogid - ckpt_start_recptr.xlogid)) * XLogSegsPerFile +`
`721`		`- ((double) (int32) (recptr.xrecoff - ckpt_start_recptr.xrecoff)) / XLogSegSize) /`
	`721`	`+ ((double) recptr.xrecoff - (double) ckpt_start_recptr.xrecoff) / XLogSegSize) /`
`722`	`722`	`CheckPointSegments;`
`723`	`723`
`724`	`724`	`if (progress < elapsed_xlogs)`