Allow extract() to accept the same field selectors as date_part(), not just

petere · petere · commit 215b90d3d70f · 2001-02-18T18:06:10.000Z
the ones specified by SQL.
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
@@ -11,7 +11,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.220 2001/02/09 03:26:28 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.221 2001/02/18 18:06:10 petere Exp $
  *
  * HISTORY
  *	  AUTHOR			DATE			MAJOR EVENT
@@ -4987,6 +4987,7 @@ extract_list:  extract_arg FROM a_expr
 		;
 
 extract_arg:  datetime						{ $$ = $1; }
+		| IDENT						{ $$ = $1; }
 		| TIMEZONE_HOUR						{ $$ = "tz_hour"; }
 		| TIMEZONE_MINUTE					{ $$ = "tz_minute"; }
 		;

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@`
`11`	`11`	`*`
`12`	`12`	`*`
`13`	`13`	`* IDENTIFICATION`
`14`		`- * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.220 2001/02/09 03:26:28 tgl Exp $`
	`14`	`+ * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.221 2001/02/18 18:06:10 petere Exp $`
`15`	`15`	`*`
`16`	`16`	`* HISTORY`
`17`	`17`	`* AUTHOR DATE MAJOR EVENT`
`@@ -4987,6 +4987,7 @@ extract_list: extract_arg FROM a_expr`
`4987`	`4987`	`;`
`4988`	`4988`
`4989`	`4989`	`extract_arg: datetime { $$ = $1; }`
	`4990`	`+ \| IDENT { $$ = $1; }`
`4990`	`4991`	`\| TIMEZONE_HOUR { $$ = "tz_hour"; }`
`4991`	`4992`	`\| TIMEZONE_MINUTE { $$ = "tz_minute"; }`
`4992`	`4993`	`;`