Fixed BUGS#15011: error handler for mysql errno in nested block not activated

  For nested sql errno handlers (unlike sqlexception and other), we didn't stop
  searching when the innermost handler was found - now make sure we do.


mysql-test/r/sp.result:
  Updated result for BUG#15011.
mysql-test/t/sp.test:
  New testcase for BUG#15011.
sql/sp_rcontext.cc:
  Make sure we stop at the innermost sql_errno handler.

mysql-test/r/sp.result

@@ -4497,4 +4497,23 @@ drop procedure if exists bug15231_1|
 drop procedure if exists bug15231_2|
 drop procedure if exists bug15231_3|
 drop procedure if exists bug15231_4|
+drop procedure if exists bug15011|
+create table t3 (c1 int primary key)|
+insert into t3 values (1)|
+create procedure bug15011()
+deterministic
+begin
+declare continue handler for 1062
+select 'Outer' as 'Handler';
+begin
+declare continue handler for 1062
+select 'Inner' as 'Handler';
+insert into t3 values (1);
+end;
+end|
+call bug15011()|
+Handler
+Inner
+drop procedure bug15011|
+drop table t3|
 drop table t1,t2;

mysql-test/t/sp.test

@@ -5283,6 +5283,37 @@ drop procedure if exists bug15231_3|
 drop procedure if exists bug15231_4|
 
 
+#
+# BUG#15011: error handler in nested block not activated
+#
+--disable_warnings
+drop procedure if exists bug15011|
+--enable_warnings
+
+create table t3 (c1 int primary key)|
+
+insert into t3 values (1)|
+
+create procedure bug15011()
+  deterministic
+begin
+  declare continue handler for 1062
+    select 'Outer' as 'Handler';
+
+  begin
+    declare continue handler for 1062
+      select 'Inner' as 'Handler';
+
+    insert into t3 values (1);
+  end;
+end|
+
+call bug15011()|
+
+drop procedure bug15011|
+drop table t3|
+
+
 #
 # BUG#NNNN: New bug synopsis
 #

sql/sp_rcontext.cc

@@ -188,7 +188,8 @@ sp_rcontext::find_handler(uint sql_errno,
     switch (cond->type)
     {
     case sp_cond_type_t::number:
-      if (sql_errno == cond->mysqlerr)
+      if (sql_errno == cond->mysqlerr &&
+          (found < 0 || m_handler[found].cond->type > sp_cond_type_t::number))
 	found= i;		// Always the most specific
       break;
     case sp_cond_type_t::state: