Increase WIDTH_THRESHOLD from 256 to 1K. This addresses recent observation

tglsfdc · tglsfdc · commit 5d6758fd243f · 2002-08-26T18:45:57.000Z
that ANALYZE would not gather any stats for a CHAR(255) column.  I still
think a width threshold is appropriate for the reasons mentioned in the
code, but we can loosen it at least.
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 1.44 2002/08/26 17:53:57 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.45 2002/08/26 18:45:57 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -56,7 +56,7 @@ typedef enum
  * ignoring wide values will not affect our estimates of histogram bin
  * boundaries very much.
  */
-#define WIDTH_THRESHOLD  256
+#define WIDTH_THRESHOLD  1024
 
 /*
  * We build one of these structs for each attribute (column) that is to be

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 1.44 2002/08/26 17:53:57 tgl Exp $`
	`11`	`+ * $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.45 2002/08/26 18:45:57 tgl Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -56,7 +56,7 @@ typedef enum`
`56`	`56`	`* ignoring wide values will not affect our estimates of histogram bin`
`57`	`57`	`* boundaries very much.`
`58`	`58`	`*/`
`59`		`-#define WIDTH_THRESHOLD 256`
	`59`	`+#define WIDTH_THRESHOLD 1024`
`60`	`60`
`61`	`61`	`/*`
`62`	`62`	`* We build one of these structs for each attribute (column) that is to be`