Translated 5.0 error codes into sql states.

include/mysqld_error.h:
  Marked where 5.0 error codes begin.
sql/sql_yacc.yy:
  Referring to an unitialized variable is a warning, not an error.

mysql-test/r/sp-error.result

@@ -11,96 +11,98 @@ create function func1() returns int
 return 42;
 create procedure foo()
 create procedure bar() set @x=3;
-ERROR HY000: Can't create a PROCEDURE from within another stored routine
+ERROR 2F003: Can't create a PROCEDURE from within another stored routine
 create procedure foo()
 create function bar() returns double return 2.3;
-ERROR HY000: Can't create a FUNCTION from within another stored routine
+ERROR 2F003: Can't create a FUNCTION from within another stored routine
 create procedure proc1()
 set @x = 42;
-ERROR HY000: PROCEDURE proc1 already exists
+ERROR 42000: PROCEDURE proc1 already exists
 create function func1() returns int
 return 42;
-ERROR HY000: FUNCTION func1 already exists
+ERROR 42000: FUNCTION func1 already exists
 drop procedure proc1;
 drop function func1;
 alter procedure foo;
-ERROR HY000: PROCEDURE foo does not exist
+ERROR 42000: PROCEDURE foo does not exist
 alter function foo;
-ERROR HY000: FUNCTION foo does not exist
+ERROR 42000: FUNCTION foo does not exist
 drop procedure foo;
-ERROR HY000: PROCEDURE foo does not exist
+ERROR 42000: PROCEDURE foo does not exist
 drop function foo;
-ERROR HY000: FUNCTION foo does not exist
+ERROR 42000: FUNCTION foo does not exist
 call foo();
-ERROR HY000: PROCEDURE foo does not exist
+ERROR 42000: PROCEDURE foo does not exist
 drop procedure if exists foo;
 Warnings:
 Warning	1286	PROCEDURE foo does not exist
 show create procedure foo;
-ERROR HY000: PROCEDURE foo does not exist
+ERROR 42000: PROCEDURE foo does not exist
 create procedure foo()
 foo: loop
 leave bar;
 end loop;
-ERROR HY000: LEAVE with no matching label: bar
+ERROR 42000: LEAVE with no matching label: bar
 create procedure foo()
 foo: loop
 iterate bar;
 end loop;
-ERROR HY000: ITERATE with no matching label: bar
+ERROR 42000: ITERATE with no matching label: bar
 create procedure foo()
 foo: begin
 iterate foo;
 end;
-ERROR HY000: ITERATE with no matching label: foo
+ERROR 42000: ITERATE with no matching label: foo
 create procedure foo()
 foo: loop
 foo: loop
 set @x=2;
 end loop foo;
 end loop foo;
-ERROR HY000: Redefining label foo
+ERROR 42000: Redefining label foo
 create procedure foo()
 foo: loop
 set @x=2;
 end loop bar;
-ERROR HY000: End-label bar without match
+ERROR 42000: End-label bar without match
 create procedure foo(out x int)
 begin
 declare y int;
 set x = y;
 end;
-ERROR HY000: Referring to uninitialized variable y
+Warnings:
+Warning	1292	Referring to uninitialized variable y
+drop procedure foo;
 create procedure foo()
 begin
 select name from mysql.proc;
 select type from mysql.proc;
 end;
 call foo();
-ERROR HY000: SELECT in a stored procedure must have INTO
+ERROR 04000: SELECT in a stored procedure must have INTO
 drop procedure foo;
 create procedure foo()
 return 42;
-ERROR HY000: RETURN is only allowed in a FUNCTION
+ERROR 42000: RETURN is only allowed in a FUNCTION
 create function foo() returns int
 begin
 declare x int;
 select max(c) into x from test.t;
 return x;
 end;
-ERROR HY000: Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION
+ERROR 04000: Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION
 create procedure p(x int)
 insert into test.t1 values (x);
 create function f(x int) returns int
 return x+42;
 call p();
-ERROR HY000: Wrong number of arguments for PROCEDURE p, expected 1, got 0
+ERROR 42000: Wrong number of arguments for PROCEDURE p, expected 1, got 0
 call p(1, 2);
-ERROR HY000: Wrong number of arguments for PROCEDURE p, expected 1, got 2
+ERROR 42000: Wrong number of arguments for PROCEDURE p, expected 1, got 2
 select f();
-ERROR HY000: Wrong number of arguments for FUNCTION f, expected 1, got 0
+ERROR 42000: Wrong number of arguments for FUNCTION f, expected 1, got 0
 select f(1, 2);
-ERROR HY000: Wrong number of arguments for FUNCTION f, expected 1, got 2
+ERROR 42000: Wrong number of arguments for FUNCTION f, expected 1, got 2
 drop procedure p;
 drop function f;
 create procedure p(val int, out res int)
@@ -114,7 +116,7 @@ else
 set res = 1;
 end if;
 end;
-ERROR HY000: Undefined CONDITION: foo
+ERROR 42000: Undefined CONDITION: foo
 create procedure p(val int, out res int)
 begin
 declare x int default 0;
@@ -127,13 +129,13 @@ else
 set res = 1;
 end if;
 end;
-ERROR HY000: Undefined CONDITION: bar
+ERROR 42000: Undefined CONDITION: bar
 create function f(val int) returns int
 begin
 declare x int;
 set x = val+3;
 end;
-ERROR HY000: No RETURN found in FUNCTION f
+ERROR 42000: No RETURN found in FUNCTION f
 create function f(val int) returns int
 begin
 declare x int;
@@ -143,7 +145,7 @@ return x;
 end if;
 end;
 select f(10);
-ERROR HY000: FUNCTION f ended without RETURN
+ERROR 2F005: FUNCTION f ended without RETURN
 drop function f;
 create procedure p()
 begin
@@ -151,7 +153,7 @@ declare c cursor for insert into test.t1 values ("foo", 42);
 open c;
 close c;
 end;
-ERROR HY000: Cursor statement must be a SELECT
+ERROR 42000: Cursor statement must be a SELECT
 create procedure p()
 begin
 declare x int;
@@ -159,14 +161,14 @@ declare c cursor for select * into x from test.t limit 1;
 open c;
 close c;
 end;
-ERROR HY000: Cursor SELECT must not have INTO
+ERROR 42000: Cursor SELECT must not have INTO
 create procedure p()
 begin
 declare c cursor for select * from test.t;
 open cc;
 close c;
 end;
-ERROR HY000: Undefined CURSOR: cc
+ERROR 42000: Undefined CURSOR: cc
 drop table if exists t1;
 create table t1 (val int);
 create procedure p()
@@ -177,7 +179,7 @@ open c;
 close c;
 end;
 call p();
-ERROR HY000: Cursor is already open
+ERROR 24000: Cursor is already open
 drop procedure p;
 create procedure p()
 begin
@@ -187,10 +189,10 @@ close c;
 close c;
 end;
 call p();
-ERROR HY000: Cursor is not open
+ERROR 24000: Cursor is not open
 drop procedure p;
 alter procedure bar3 sql security invoker;
-ERROR HY000: PROCEDURE bar3 does not exist
+ERROR 42000: PROCEDURE bar3 does not exist
 alter procedure bar3 name
 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;
 ERROR 42000: Identifier name 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' is too long
@@ -206,7 +208,7 @@ open c;
 fetch c into x, y;
 close c;
 end;
-ERROR HY000: Undeclared variable: y
+ERROR 42000: Undeclared variable: y
 create procedure p()
 begin
 declare c cursor for select * from t1;
@@ -234,27 +236,27 @@ drop procedure p;
 create procedure p(in x int, x char(10))
 begin
 end;
-ERROR HY000: Duplicate parameter: x
+ERROR 42000: Duplicate parameter: x
 create function p(x int, x char(10))
 begin
 end;
-ERROR HY000: Duplicate parameter: x
+ERROR 42000: Duplicate parameter: x
 create procedure p()
 begin
 declare x float;
 declare x int;
 end;
-ERROR HY000: Duplicate variable: x
+ERROR 42000: Duplicate variable: x
 create procedure p()
 begin
 declare c condition for 1064;
 declare c condition for 1065;
 end;
-ERROR HY000: Duplicate condition: c
+ERROR 42000: Duplicate condition: c
 create procedure p()
 begin
 declare c cursor for select * from t1;
 declare c cursor for select field from t1;
 end;
-ERROR HY000: Duplicate cursor: c
+ERROR 42000: Duplicate cursor: c
 drop table t1;