Apply malff@weblab.(none) fix for bug 24736 directly to

mysql-5.1-build tree, in order to get it into mysql-5.1
faster.  See comments from Marc's original push for
patch details.

mysql-test/r/parser.result

@@ -373,3 +373,104 @@ select yearweek();
 ERROR 42000: Incorrect parameter count in the call to native function 'yearweek'
 select yearweek(1, 2, 3);
 ERROR 42000: Incorrect parameter count in the call to native function 'yearweek'
+select abs(3);
+abs(3)
+3
+select abs(3 AS three);
+ERROR 42000: Incorrect parameters in the call to native function 'abs'
+select abs(3 three);
+ERROR 42000: Incorrect parameters in the call to native function 'abs'
+select abs(3 AS "three");
+ERROR 42000: Incorrect parameters in the call to native function 'abs'
+select abs(3 "three");
+ERROR 42000: Incorrect parameters in the call to native function 'abs'
+set @bar="bar";
+set @foobar="foobar";
+select instr("foobar", "bar");
+instr("foobar", "bar")
+4
+select instr("foobar" AS p1, "bar");
+ERROR 42000: Incorrect parameters in the call to native function 'instr'
+select instr("foobar" p1, "bar");
+ERROR 42000: Incorrect parameters in the call to native function 'instr'
+select instr("foobar" AS "p1", "bar");
+ERROR 42000: Incorrect parameters in the call to native function 'instr'
+select instr("foobar" "p1", "bar");
+instr("foobar" "p1", "bar")
+4
+select instr(@foobar "p1", "bar");
+ERROR 42000: Incorrect parameters in the call to native function 'instr'
+select instr("foobar", "bar" AS p2);
+ERROR 42000: Incorrect parameters in the call to native function 'instr'
+select instr("foobar", "bar" p2);
+ERROR 42000: Incorrect parameters in the call to native function 'instr'
+select instr("foobar", "bar" AS "p2");
+ERROR 42000: Incorrect parameters in the call to native function 'instr'
+select instr("foobar", "bar" "p2");
+instr("foobar", "bar" "p2")
+0
+select instr("foobar", @bar "p2");
+ERROR 42000: Incorrect parameters in the call to native function 'instr'
+select instr("foobar" AS p1, "bar" AS p2);
+ERROR 42000: Incorrect parameters in the call to native function 'instr'
+select conv(255, 10, 16);
+conv(255, 10, 16)
+FF
+select conv(255 AS p1, 10, 16);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255 p1, 10, 16);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255 AS "p1", 10, 16);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255 "p1", 10, 16);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255, 10 AS p2, 16);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255, 10 p2, 16);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255, 10 AS "p2", 16);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255, 10 "p2", 16);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255, 10, 16 AS p3);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255, 10, 16 p3);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255, 10, 16 AS "p3");
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255, 10, 16 "p3");
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select conv(255 AS p1, 10 AS p2, 16 AS p3);
+ERROR 42000: Incorrect parameters in the call to native function 'conv'
+select atan(10);
+atan(10)
+1.4711276743037
+select atan(10 AS p1);
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10 p1);
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10 AS "p1");
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10 "p1");
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10, 20);
+atan(10, 20)
+0.46364760900081
+select atan(10 AS p1, 20);
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10 p1, 20);
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10 AS "p1", 20);
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10 "p1", 20);
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10, 20 AS p2);
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10, 20 p2);
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10, 20 AS "p2");
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10, 20 "p2");
+ERROR 42000: Incorrect parameters in the call to native function 'atan'
+select atan(10 AS p1, 20 AS p2);
+ERROR 42000: Incorrect parameters in the call to native function 'atan'

mysql-test/r/udf.result

@@ -132,9 +132,9 @@ a	c
 1	1
 2	2
 SELECT a, fn(MIN(b) xx) as c FROM t1 GROUP BY a;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'xx) as c FROM t1 GROUP BY a' at line 1
+ERROR 42000: Incorrect parameters in the call to stored function 'fn'
 SELECT myfunc_int(fn(MIN(b) xx)) as c FROM t1 GROUP BY a;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'xx)) as c FROM t1 GROUP BY a' at line 1
+ERROR 42000: Incorrect parameters in the call to stored function 'fn'
 SELECT myfunc_int(test.fn(MIN(b) xx)) as c FROM t1 GROUP BY a;
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'xx)) as c FROM t1 GROUP BY a' at line 1
 SELECT myfunc_int(fn(MIN(b)) xx) as c FROM t1 GROUP BY a;
@@ -185,6 +185,28 @@ DROP VIEW v1;
 DROP TABLE t1;
 DROP FUNCTION fn;
 End of 5.0 tests.
+select myfunc_double(3);
+myfunc_double(3)
+51.00
+select myfunc_double(3 AS three);
+myfunc_double(3 AS three)
+51.00
+select myfunc_double(abs(3));
+myfunc_double(abs(3))
+51.00
+select myfunc_double(abs(3) AS named_param);
+myfunc_double(abs(3) AS named_param)
+51.00
+select abs(myfunc_double(3));
+abs(myfunc_double(3))
+51.00
+select abs(myfunc_double(3 AS three));
+abs(myfunc_double(3 AS three))
+51.00
+select myfunc_double(abs(3 AS wrong));
+ERROR 42000: Incorrect parameters in the call to native function 'abs'
+select abs(myfunc_double(3) AS wrong);
+ERROR 42000: Incorrect parameters in the call to native function 'abs'
 drop function if exists pi;
 CREATE FUNCTION pi RETURNS STRING SONAME "should_not_parse.so";
 ERROR HY000: This function 'pi' has the same name as a native function.

mysql-test/t/parser.test

@@ -493,3 +493,113 @@ select yearweek();
 -- error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
 select yearweek(1, 2, 3);
 
+#
+# Bug#24736: UDF functions parsed as Stored Functions
+#
+
+# Verify that the syntax for calling UDF : foo(expr AS param, ...)
+# can not be used when calling native functions
+
+# Native function with 1 argument
+
+select abs(3);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select abs(3 AS three);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select abs(3 three);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select abs(3 AS "three");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select abs(3 "three");
+
+# Native function with 2 arguments
+
+set @bar="bar";
+set @foobar="foobar";
+
+select instr("foobar", "bar");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select instr("foobar" AS p1, "bar");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select instr("foobar" p1, "bar");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select instr("foobar" AS "p1", "bar");
+## String concatenation, valid syntax
+select instr("foobar" "p1", "bar");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select instr(@foobar "p1", "bar");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select instr("foobar", "bar" AS p2);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select instr("foobar", "bar" p2);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select instr("foobar", "bar" AS "p2");
+## String concatenation, valid syntax
+select instr("foobar", "bar" "p2");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select instr("foobar", @bar "p2");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select instr("foobar" AS p1, "bar" AS p2);
+
+# Native function with 3 arguments
+
+select conv(255, 10, 16);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255 AS p1, 10, 16);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255 p1, 10, 16);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255 AS "p1", 10, 16);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255 "p1", 10, 16);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255, 10 AS p2, 16);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255, 10 p2, 16);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255, 10 AS "p2", 16);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255, 10 "p2", 16);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255, 10, 16 AS p3);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255, 10, 16 p3);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255, 10, 16 AS "p3");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255, 10, 16 "p3");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select conv(255 AS p1, 10 AS p2, 16 AS p3);
+
+# Native function with a variable number of arguments
+
+select atan(10);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10 AS p1);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10 p1);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10 AS "p1");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10 "p1");
+
+select atan(10, 20);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10 AS p1, 20);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10 p1, 20);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10 AS "p1", 20);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10 "p1", 20);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10, 20 AS p2);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10, 20 p2);
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10, 20 AS "p2");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10, 20 "p2");
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select atan(10 AS p1, 20 AS p2);
+

mysql-test/t/udf.test

@@ -149,9 +149,9 @@ EXPLAIN EXTENDED SELECT myfunc_int(a AS attr_name) FROM t1;
 EXPLAIN EXTENDED SELECT myfunc_int(a) FROM t1;
 SELECT a,c FROM v1;
 
---error ER_PARSE_ERROR
+--error ER_WRONG_PARAMETERS_TO_STORED_FCT
 SELECT a, fn(MIN(b) xx) as c FROM t1 GROUP BY a;
---error ER_PARSE_ERROR
+--error ER_WRONG_PARAMETERS_TO_STORED_FCT
 SELECT myfunc_int(fn(MIN(b) xx)) as c FROM t1 GROUP BY a;
 --error ER_PARSE_ERROR
 SELECT myfunc_int(test.fn(MIN(b) xx)) as c FROM t1 GROUP BY a;
@@ -173,6 +173,22 @@ DROP FUNCTION fn;
 
 --echo End of 5.0 tests.
 
+#
+# Bug#24736: UDF functions parsed as Stored Functions
+#
+
+select myfunc_double(3);
+select myfunc_double(3 AS three);
+select myfunc_double(abs(3));
+select myfunc_double(abs(3) AS named_param);
+select abs(myfunc_double(3));
+select abs(myfunc_double(3 AS three));
+
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select myfunc_double(abs(3 AS wrong));
+-- error ER_WRONG_PARAMETERS_TO_NATIVE_FCT
+select abs(myfunc_double(3) AS wrong);
+
 #
 # BUG#18239: Possible to overload internal functions with stored functions
 #

sql/share/errmsg.txt

@@ -6010,6 +6010,8 @@ ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT 42000
         eng "Incorrect parameter count in the call to native function '%-.64s'"
 ER_WRONG_PARAMETERS_TO_NATIVE_FCT 42000
         eng "Incorrect parameters in the call to native function '%-.64s'"
+ER_WRONG_PARAMETERS_TO_STORED_FCT 42000  
+        eng "Incorrect parameters in the call to stored function '%-.64s'"
 ER_NATIVE_FCT_NAME_COLLISION
         eng "This function '%-.64s' has the same name as a native function."
 ER_BINLOG_PURGE_EMFILE

sql/sql_lex.cc

@@ -164,7 +164,6 @@ void lex_start(THD *thd, const uchar *buf, uint length)
   lex->select_lex.ftfunc_list= &lex->select_lex.ftfunc_list_alloc;
   lex->select_lex.group_list.empty();
   lex->select_lex.order_list.empty();
-  lex->select_lex.udf_list.empty();
   lex->ignore_space=test(thd->variables.sql_mode & MODE_IGNORE_SPACE);
   lex->sql_command= SQLCOM_END;
   lex->duplicates= DUP_ERROR;
@@ -1182,7 +1181,6 @@ void st_select_lex::init_select()
   braces= 0;
   when_list.empty();
   expr_list.empty();
-  udf_list.empty();
   interval_list.empty();
   use_index.empty();
   ftfunc_list_alloc.empty();

sql/sql_lex.h

@@ -609,8 +609,6 @@ class st_select_lex: public st_select_lex_node
   /* exclude this select from check of unique_table() */
   bool exclude_from_table_unique_test;
 
-  List<udf_func>     udf_list;                  /* udf function calls stack */
-
   void init_query();
   void init_select();
   st_select_lex_unit* master_unit();

sql/sql_yacc.yy

@@ -6426,7 +6426,7 @@ function_call_generic:
             }
           }
           /* Temporary placing the result of find_udf in $3 */
-          lex->current_select->udf_list.push_front(udf);
+          $<udf>$= udf;
 #endif
         }
         udf_expr_list ')'
@@ -6454,10 +6454,10 @@ function_call_generic:
           {
 #ifdef HAVE_DLOPEN
             /* Retrieving the result of find_udf */
-            udf_func *udf;
+            udf_func *udf= $<udf>3;
             LEX *lex= Lex;
 
-            if (NULL != (udf= lex->current_select->udf_list.pop()))
+            if (udf)
             {
               if (udf->type == UDFTYPE_AGGREGATE)
               {
@@ -6553,7 +6553,6 @@ udf_expr_list3:
 udf_expr:
 	remember_name expr remember_end select_alias
 	{
-          udf_func *udf= Select->udf_list.head();
           /*
            Use Item::name as a storage for the attribute value of user
            defined function argument. It is safe to use Item::name
@@ -6562,20 +6561,10 @@ udf_expr:
           */
 	  if ($4.str)
           {
-            if (!udf)
-            {
-              /*
-                Disallow using AS to specify explicit names for the arguments
-                of stored routine calls
-              */
-              yyerror(ER(ER_SYNTAX_ERROR));
-              YYABORT;
-            }
-
             $2->is_autogenerated_name= FALSE;
 	    $2->set_name($4.str, $4.length, system_charset_info);
           }
-	  else if (udf)
+	  else
 	    $2->set_name($1, (uint) ($3 - $1), YYTHD->charset());
 	  $$= $2;
 	}