Merge mysql.com:/home/jimw/my/mysql-4.1-clean

into  mysql.com:/home/jimw/my/mysql-5.0-clean

mysql-test/r/union.result

@@ -1270,3 +1270,29 @@ id
 5
 99
 drop table t1;
+create table t1 (f1 decimal(60,25), f2 decimal(60,25));
+insert into t1 values (0.0,0.0);
+select f1 from t1 union all select f2 from t1;
+f1
+0.0000000000000000000000000
+0.0000000000000000000000000
+select 'XXXXXXXXXXXXXXXXXXXX' as description, f1 from t1
+union all
+select 'YYYYYYYYYYYYYYYYYYYY' as description, f2 from t1;
+description	f1
+XXXXXXXXXXXXXXXXXXXX	0.0000000000000000000000000
+YYYYYYYYYYYYYYYYYYYY	0.0000000000000000000000000
+drop table t1;
+create table t1 (f1 decimal(60,24), f2 decimal(60,24));
+insert into t1 values (0.0,0.0);
+select f1 from t1 union all select f2 from t1;
+f1
+0.000000000000000000000000
+0.000000000000000000000000
+select 'XXXXXXXXXXXXXXXXXXXX' as description, f1 from t1
+union all
+select 'YYYYYYYYYYYYYYYYYYYY' as description, f2 from t1;
+description	f1
+XXXXXXXXXXXXXXXXXXXX	0.000000000000000000000000
+YYYYYYYYYYYYYYYYYYYY	0.000000000000000000000000
+drop table t1;

mysql-test/t/union.test

@@ -753,6 +753,24 @@ create table t2 select a from t1 union select b from t1;
 show columns from t2;
 drop table t2, t1;
 
+# 
+# Bug #14216: UNION + DECIMAL wrong values in result
+#
+create table t1 (f1 decimal(60,25), f2 decimal(60,25));
+insert into t1 values (0.0,0.0);
+select f1 from t1 union all select f2 from t1;
+select 'XXXXXXXXXXXXXXXXXXXX' as description, f1 from t1
+union all
+select 'YYYYYYYYYYYYYYYYYYYY' as description, f2 from t1;
+drop table t1;
+create table t1 (f1 decimal(60,24), f2 decimal(60,24));
+insert into t1 values (0.0,0.0);
+select f1 from t1 union all select f2 from t1;
+select 'XXXXXXXXXXXXXXXXXXXX' as description, f1 from t1
+union all
+select 'YYYYYYYYYYYYYYYYYYYY' as description, f2 from t1;
+drop table t1;
+
 #
 # Test that union with VARCHAR produces dynamic row tables
 #

sql/item.cc

@@ -5812,8 +5812,11 @@ bool Item_type_holder::join_types(THD *thd, Item *item)
     {
       int delta1= max_length_orig - decimals_orig;
       int delta2= item->max_length - item->decimals;
-      max_length= min(max(delta1, delta2) + decimals,
-                      (fld_type == MYSQL_TYPE_FLOAT) ? FLT_DIG+6 : DBL_DIG+7);
+      if (fld_type == MYSQL_TYPE_DECIMAL)
+        max_length= max(delta1, delta2) + decimals;
+      else
+        max_length= min(max(delta1, delta2) + decimals,
+                        (fld_type == MYSQL_TYPE_FLOAT) ? FLT_DIG+6 : DBL_DIG+7);
     }
     else
       max_length= (fld_type == MYSQL_TYPE_FLOAT) ? FLT_DIG+6 : DBL_DIG+7;

vio/viosslfactories.c

@@ -191,9 +191,6 @@ void netware_ssl_cleanup()
 /* NetWare SSL initialization */
 static void netware_ssl_init()
 {
-  /* initialize OpenSSL library */
-  SSL_library_init();
-
   /* cleanup OpenSSL library */
   NXVmRegisterExitHandler(netware_ssl_cleanup, NULL);
 }
@@ -228,16 +225,17 @@ new_VioSSLConnectorFd(const char* key_file,
   ptr->ssl_method=  0;
   /* FIXME: constants! */
 
-#ifdef __NETWARE__
-  netware_ssl_init();
-#endif
-
   if (!ssl_algorithms_added)
   {
     DBUG_PRINT("info", ("todo: OpenSSL_add_all_algorithms()"));
     ssl_algorithms_added = TRUE;
+    SSL_library_init();
     OpenSSL_add_all_algorithms();
   }
+#ifdef __NETWARE__
+  netware_ssl_init();
+#endif
+
   if (!ssl_error_strings_loaded)
   {
     DBUG_PRINT("info", ("todo:SSL_load_error_strings()"));
@@ -319,17 +317,18 @@ new_VioSSLAcceptorFd(const char *key_file,
   /* FIXME: constants! */
   ptr->session_id_context= ptr;
 
-#ifdef __NETWARE__
-  netware_ssl_init();
-#endif
-
   if (!ssl_algorithms_added)
   {
     DBUG_PRINT("info", ("todo: OpenSSL_add_all_algorithms()"));
     ssl_algorithms_added = TRUE;
+    SSL_library_init();
     OpenSSL_add_all_algorithms();
 
   }
+#ifdef __NETWARE__
+  netware_ssl_init();
+#endif
+
   if (!ssl_error_strings_loaded)
   {
     DBUG_PRINT("info", ("todo: SSL_load_error_strings()"));