Fixed BUG#2780: Stored procedure exit handler ignored for warnings.

Actually catch pushed warnings.

mysql-test/r/sp.result

@@ -1044,6 +1044,28 @@ select @x|
 42
 drop procedure bug2776_1|
 drop procedure bug2776_2|
+drop table if exists t3|
+create table t3 (s1 smallint)|
+insert into t3 values (123456789012)|
+Warnings:
+Warning	1263	Data truncated, out of range for column 's1' at row 1
+create procedure bug2780()
+begin
+declare exit handler for sqlwarning set @x = 1; 
+set @x = 0;
+insert into t3 values (123456789012);
+insert into t3 values (0);
+end|
+call bug2780()|
+select @x|
+@x
+1
+select * from t3|
+s1
+32767
+32767
+drop procedure bug2780|
+drop table t3|
 drop table if exists fac|
 create table fac (n int unsigned not null primary key, f bigint unsigned)|
 create procedure ifac(n int unsigned)

mysql-test/t/sp.test

@@ -1215,6 +1215,32 @@ select @x|
 drop procedure bug2776_1|
 drop procedure bug2776_2|
 
+#
+# BUG#2780
+#
+--disable_warnings
+drop table if exists t3|
+--enable_warnings
+create table t3 (s1 smallint)|
+
+insert into t3 values (123456789012)|
+
+create procedure bug2780()
+begin
+  declare exit handler for sqlwarning set @x = 1; 
+
+  set @x = 0;
+  insert into t3 values (123456789012);
+  insert into t3 values (0);
+end|
+
+call bug2780()|
+select @x|
+select * from t3|
+
+drop procedure bug2780|
+drop table t3|
+
 
 #
 # Some "real" examples

sql/sql_error.cc

@@ -43,6 +43,7 @@ This file contains the implementation of error and warnings related
 ***********************************************************************/
 
 #include "mysql_priv.h"
+#include "sp_rcontext.h"
 
 /*
   Store a new message in an error object
@@ -108,6 +109,9 @@ MYSQL_ERROR *push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level,
 
   MYSQL_ERROR *err= NULL;
 
+  if (thd->spcont && thd->spcont->find_handler(code))
+    DBUG_RETURN(NULL);
+
   if (thd->warn_list.elements < thd->variables.max_error_count)
   {
     /*