Synced gram.y and preproc.y.

diff --git a/src/interfaces/ecpg/preproc/preproc.y b/src/interfaces/ecpg/preproc/preproc.y
index 13f67a3692dec08274ada2c334fe4f21d6461b23..345efb6576e2ddd8ff944993799a816b12bd34c8 100644 (file)
--- a/src/interfaces/ecpg/preproc/preproc.y
+++ b/src/interfaces/ecpg/preproc/preproc.y
@@ -3479,8 +3479,13 @@ extract_list:  extract_arg FROM a_expr
                {   $$ = EMPTY; }
        ;
 
+/* Allow delimited string SCONST in extract_arg as an SQL extension.
+ * - thomas 2001-04-12
+ */
+
 extract_arg:  datetime     { $$ = $1; }
-   | IDENT         { $$ = $1; }
+   | SCONST                { $$ = $1; }
+   | IDENT                 { $$ = $1; }
    | TIMEZONE_HOUR     { $$ = make_str("timezone_hour"); } 
    | TIMEZONE_MINUTE   { $$ = make_str("timezone_minute"); }   
        ;