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, 5 insertions, 4 deletions

diff --git a/sql-common/client.c b/sql-common/client.c
index 4c2debd41ff..8e55cf7c2b7 100644
--- a/sql-common/client.c
+++ b/sql-common/client.c
@@ -1545,7 +1545,8 @@ static MYSQL_METHODS client_methods=
   NULL,
   cli_read_statistics,
   cli_read_query_result,
-  cli_read_change_user_result
+  cli_read_change_user_result,
+  cli_read_binary_rows
 #endif
 };
 
@@ -2339,8 +2340,9 @@ static void mysql_close_free(MYSQL *mysql)
   my_free(mysql->user,MYF(MY_ALLOW_ZERO_PTR));
   my_free(mysql->passwd,MYF(MY_ALLOW_ZERO_PTR));
   my_free(mysql->db,MYF(MY_ALLOW_ZERO_PTR));
+  my_free(mysql->info_buffer,MYF(MY_ALLOW_ZERO_PTR));
   /* Clear pointers for better safety */
-  mysql->host_info=mysql->user=mysql->passwd=mysql->db=0;
+  mysql->info_buffer=mysql->host_info=mysql->user=mysql->passwd=mysql->db=0;
 }
 
 
@@ -2476,8 +2478,7 @@ get_info:
   if (!(mysql->server_status & SERVER_STATUS_AUTOCOMMIT))
     mysql->server_status|= SERVER_STATUS_IN_TRANS;
 
-  if (!(fields=(*mysql->methods->read_rows)(mysql,(MYSQL_FIELD*)0,
-					    protocol_41(mysql) ? 7 : 5)))
+  if (!(fields=cli_read_rows(mysql,(MYSQL_FIELD*)0, protocol_41(mysql) ? 7:5)))
     DBUG_RETURN(1);
   if (!(mysql->fields=unpack_fields(fields,&mysql->field_alloc,
 				    (uint) field_count,0,