Attached is a (very small) patch to make analyze display some

bmomjian · bmomjian · commit cd0f42e87c6e · 2003-08-26T15:38:42.000Z
interesting info in verbose mode about the analyzed relation (pages,
rows per block and rows).

Mark Kirkwood
diff --git a/src/backend/commands/analyze.c b/src/backend/commands/analyze.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.59 2003/08/17 19:58:04 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.60 2003/08/26 15:38:42 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -687,6 +687,12 @@ pageloop:;
 	 */
 	*totalrows = floor((double) onerel->rd_nblocks * tuplesperpage + 0.5);
 
+	/*
+	 * Emit some interesting relation info 
+	 */
+	elog(elevel, "  pages = %d rows/page = %d rows = %.0f", 
+		onerel->rd_nblocks, (int)tuplesperpage, *totalrows);
+
 	return numrows;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.59 2003/08/17 19:58:04 tgl Exp $`
	`11`	`+ * $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.60 2003/08/26 15:38:42 momjian Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -687,6 +687,12 @@ pageloop:;`
`687`	`687`	`*/`
`688`	`688`	`totalrows = floor((double) onerel->rd_nblocks tuplesperpage + 0.5);`
`689`	`689`
	`690`	`+ /*`
	`691`	`+ * Emit some interesting relation info`
	`692`	`+ */`
	`693`	`+ elog(elevel, " pages = %d rows/page = %d rows = %.0f",`
	`694`	`+ onerel->rd_nblocks, (int)tuplesperpage, *totalrows);`
	`695`	`+`
`690`	`696`	`return numrows;`
`691`	`697`	`}`
`692`	`698`