Big patch to make embedded-server working in 5.x

Now it supports queries returning several results
(particularly important with the SP)


include/mysql.h:
  embedded_query_result structure added
libmysql/libmysql.c:
  embedded-server related fixes
libmysqld/emb_qcache.cc:
  multiple-result support added
libmysqld/embedded_priv.h:
  embedded_query_result struct implemented
libmysqld/lib_sql.cc:
  multiple-result support added
libmysqld/libmysqld.c:
  small fixes
mysql-test/t/backup.test:
  test fixed
mysql-test/t/binlog_stm_binlog.test:
  test fixed
mysql-test/t/binlog_stm_blackhole.test:
  test fixed
mysql-test/t/binlog_stm_ctype_cp932.test:
  test fixed
mysql-test/t/compress.test:
  test fixed
mysql-test/t/delayed.test:
  test fixed
mysql-test/t/federated.test:
  test fixed
mysql-test/t/federated_archive.test:
  test fixed
mysql-test/t/federated_bug_13118.test:
  test fixed
mysql-test/t/federated_transactions.test:
  test fixed
mysql-test/t/flush_table.test:
  test fixed
mysql-test/t/handler.test:
  test fixed
mysql-test/t/init_connect.test:
  test fixed
mysql-test/t/innodb.test:
  test fixed
mysql-test/t/mysql.test:
  test fixed
mysql-test/t/mysql_client_test.test:
  test fixed
mysql-test/t/mysqltest.test:
  test fixed
mysql-test/t/query_cache.test:
  test fixed
mysql-test/t/query_cache_notembedded.test:
  test fixed
mysql-test/t/read_only.test:
  test fixed
mysql-test/t/skip_grants.test:
  test fixed
mysql-test/t/sp-destruct.test:
  test fixed
mysql-test/t/sp-error.test:
  test fixed
mysql-test/t/sp-threads.test:
  test fixed
mysql-test/t/sp.test:
  test fixed
mysql-test/t/view.test:
  test fixed
mysql-test/t/wait_timeout.test:
  test fixed
sql-common/client.c:
  small fixes
sql/mysqld.cc:
  embedded-server related fix
sql/protocol.cc:
  embedded-server related fix
sql/protocol.h:
  embedded-server related fix
sql/sql_class.cc:
  embedded-server related fix
sql/sql_class.h:
  embedded-server related fix
sql/sql_cursor.cc:
  embedded-server related fix
sql/sql_parse.cc:
  embedded-server related fix
sql/sql_prepare.cc:
  embedded-server related fix

1 files changed, 12 insertions, 2 deletions

diff --git a/libmysqld/libmysqld.c b/libmysqld/libmysqld.c
index 70074e44c6f..cad1bd4c47b 100644
--- a/libmysqld/libmysqld.c
+++ b/libmysqld/libmysqld.c
@@ -14,6 +14,11 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
+#include <my_global.h>
+#include <mysql.h>
+#include <mysql_embed.h>
+#include <mysqld_error.h>
+#include <my_pthread.h>
 #include "embedded_priv.h"
 #include <my_sys.h>
 #include <mysys_err.h>
@@ -193,7 +198,12 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
 
   if (!user)
     user= "";
-  mysql->user=my_strdup(user,MYF(0));
+   /* 
+      We need to alloc some space for mysql->info but don't want to
+      put extra 'my_free's in mysql_close.
+      So we alloc it with the 'user' string to be freed at once
+   */
+  mysql->user= my_strdup(user, MYF(0));
 
   port=0;
   unix_socket=0;
@@ -207,6 +217,7 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
   if (db)
     client_flag|=CLIENT_CONNECT_WITH_DB;
 
+  mysql->info_buffer= my_malloc(MYSQL_ERRMSG_SIZE, MYF(0));
   mysql->thd= create_embedded_thd(client_flag, db_name);
 
   init_embedded_mysql(mysql, client_flag, db_name);
@@ -243,7 +254,6 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
   DBUG_RETURN(mysql);
 
 error:
-  embedded_get_error(mysql);
   DBUG_PRINT("error",("message: %u (%s)", mysql->net.last_errno,
 		      mysql->net.last_error));
   {