TODO item done:

bmomjian · bmomjian · commit ee81126d1f39 · 2002-03-08T04:29:01.000Z
* Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce)
diff --git a/doc/TODO b/doc/TODO
@@ -46,10 +46,9 @@ PERMISSIONS
 * Allow usernames to be specified directly in pg_hba.conf (Bruce)
 * Add PGPASSWORDFILE environment variable or ~/.pgpass to store
   user/host/password combinations
-* Remove PGPASSWORD because is insecure on some OS's
+* Remove PGPASSWORD because it is insecure on some OS's
 * Make single-user local access permissions the default by limiting
   permissions on the socket file (Peter E)
-* Use thread-safe crypt() in libpq, if available
 * -Allow permissions for functions (Peter E)
 
 ADMIN
@@ -66,7 +65,7 @@ ADMIN
   flags unique
 * Allow logging of query durations
 * -Prevent SIGHUP and 'pg_ctl reload' from changing command line
-  specified parameters to postgresql.conf defaults
+  specified parameters to postgresql.conf defaults (Peter E)
 
 
 DATA TYPES
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c
@@ -15,7 +15,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.105 2002/03/02 21:39:32 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.106 2002/03/08 04:29:01 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2964,7 +2964,7 @@ prefix_selectivity(Query *root, Var *var, char *prefix)
  * wildcards (such as % for LIKE or .* for regex) increase it.
  */
 
-#define FIXED_CHAR_SEL	0.04	/* about 1/25 */
+#define FIXED_CHAR_SEL	0.20	/* about 1/5 */
 #define CHAR_RANGE_SEL	0.25
 #define ANY_CHAR_SEL	0.9		/* not 1, since it won't match
 								 * end-of-string */

Original file line number	Diff line number	Diff line change
`@@ -15,7 +15,7 @@`
`15`	`15`	`*`
`16`	`16`	`*`
`17`	`17`	`* IDENTIFICATION`
`18`		`- * $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.105 2002/03/02 21:39:32 momjian Exp $`
	`18`	`+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.106 2002/03/08 04:29:01 momjian Exp $`
`19`	`19`	`*`
`20`	`20`	`*-------------------------------------------------------------------------`
`21`	`21`	`*/`
`@@ -2964,7 +2964,7 @@ prefix_selectivity(Query root, Var var, char *prefix)`
`2964`	`2964`	`* wildcards (such as % for LIKE or .* for regex) increase it.`
`2965`	`2965`	`*/`
`2966`	`2966`
`2967`		`-#define FIXED_CHAR_SEL 0.04 /* about 1/25 */`
	`2967`	`+#define FIXED_CHAR_SEL 0.20 /* about 1/5 */`
`2968`	`2968`	`#define CHAR_RANGE_SEL 0.25`
`2969`	`2969`	`#define ANY_CHAR_SEL 0.9 /* not 1, since it won't match`
`2970`	`2970`	`* end-of-string */`