MDEV-18313 Supports 'wrapper mariadb' for connection information

storage/spider/CMakeLists.txt

@@ -18,7 +18,7 @@ SET(SPIDER_SOURCES
   spd_table.cc spd_direct_sql.cc spd_udf.cc spd_ping_table.cc
   spd_copy_tables.cc spd_i_s.cc spd_malloc.cc ha_spider.cc spd_udf.def
   spd_db_mysql.cc spd_db_handlersocket.cc spd_db_oracle.cc
-  spd_group_by_handler.cc
+  spd_group_by_handler.cc spd_db_include.cc
   hs_client/config.cpp hs_client/escape.cpp hs_client/fatal.cpp
   hs_client/hstcpcli.cpp hs_client/socket.cpp hs_client/string_util.cpp
 )

storage/spider/mysql-test/spider/bugfix/include/wrapper_mariadb_deinit.inc

+--let $MASTER_1_COMMENT_2_1= $MASTER_1_COMMENT_2_1_BACKUP
+--let $CHILD2_1_DROP_TABLES= $CHILD2_1_DROP_TABLES_BACKUP
+--let $CHILD2_1_CREATE_TABLES= $CHILD2_1_CREATE_TABLES_BACKUP
+--let $CHILD2_1_SELECT_TABLES= $CHILD2_1_SELECT_TABLES_BACKUP
+--disable_warnings
+--disable_query_log
+--disable_result_log
+--source ../t/test_deinit.inc
+--enable_result_log
+--enable_query_log
+--enable_warnings

storage/spider/mysql-test/spider/bugfix/include/wrapper_mariadb_init.inc

+--disable_warnings
+--disable_query_log
+--disable_result_log
+--source ../t/test_init.inc
+--enable_result_log
+--enable_query_log
+--enable_warnings
+--let $MASTER_1_COMMENT_2_1_BACKUP= $MASTER_1_COMMENT_2_1
+let $MASTER_1_COMMENT_2_1=
+  COMMENT='table "tbl_a", srv "s_2_1", wrapper "mariadb"';
+--let $CHILD2_1_DROP_TABLES_BACKUP= $CHILD2_1_DROP_TABLES
+let $CHILD2_1_DROP_TABLES=
+  DROP TABLE IF EXISTS tbl_a;
+--let $CHILD2_1_CREATE_TABLES_BACKUP= $CHILD2_1_CREATE_TABLES
+let $CHILD2_1_CREATE_TABLES=
+  CREATE TABLE tbl_a (
+    pkey int NOT NULL,
+    PRIMARY KEY (pkey)
+  ) $CHILD2_1_ENGINE $CHILD2_1_CHARSET;
+--let $CHILD2_1_SELECT_TABLES_BACKUP= $CHILD2_1_SELECT_TABLES
+let $CHILD2_1_SELECT_TABLES=
+  SELECT pkey FROM tbl_a ORDER BY pkey;
+let $CHILD2_1_SELECT_ARGUMENT1=
+  SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';

storage/spider/mysql-test/spider/bugfix/r/wrapper_mariadb.result

+for master_1
+for child2
+child2_1
+child2_2
+child2_3
+for child3
+
+this test is for MDEV-18313
+
+drop and create databases
+connection master_1;
+CREATE DATABASE auto_test_local;
+USE auto_test_local;
+connection child2_1;
+SET @old_log_output = @@global.log_output;
+SET GLOBAL log_output = 'TABLE,FILE';
+CREATE DATABASE auto_test_remote;
+USE auto_test_remote;
+
+create table and insert
+connection child2_1;
+CHILD2_1_CREATE_TABLES
+TRUNCATE TABLE mysql.general_log;
+connection master_1;
+CREATE TABLE tbl_a (
+pkey int NOT NULL,
+PRIMARY KEY (pkey)
+) MASTER_1_ENGINE MASTER_1_CHARSET MASTER_1_COMMENT_2_1
+INSERT INTO tbl_a (pkey) VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+
+select test
+connection child2_1;
+TRUNCATE TABLE mysql.general_log;
+connection master_1;
+SELECT * FROM tbl_a ORDER BY pkey;
+pkey
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+connection child2_1;
+SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %';
+argument
+select t0.`pkey` `pkey` from `auto_test_remote`.`tbl_a` t0 order by `pkey`
+SELECT argument FROM mysql.general_log WHERE argument LIKE '%select %'
+SELECT pkey FROM tbl_a ORDER BY pkey;
+pkey
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+
+deinit
+connection master_1;
+DROP DATABASE IF EXISTS auto_test_local;
+connection child2_1;
+DROP DATABASE IF EXISTS auto_test_remote;
+SET GLOBAL log_output = @old_log_output;
+for master_1
+for child2
+child2_1
+child2_2
+child2_3
+for child3
+
+end of test

storage/spider/mysql-test/spider/bugfix/t/wrapper_mariadb.cnf

+!include include/default_mysqld.cnf
+!include ../my_1_1.cnf
+!include ../my_2_1.cnf

storage/spider/mysql-test/spider/bugfix/t/wrapper_mariadb.test

+--source ../include/wrapper_mariadb_init.inc
+--echo
+--echo this test is for MDEV-18313
+--echo
+--echo drop and create databases
+
+--connection master_1
+--disable_warnings
+CREATE DATABASE auto_test_local;
+USE auto_test_local;
+
+--connection child2_1
+SET @old_log_output = @@global.log_output;
+SET GLOBAL log_output = 'TABLE,FILE';
+CREATE DATABASE auto_test_remote;
+USE auto_test_remote;
+--enable_warnings
+
+--echo
+--echo create table and insert
+
+--connection child2_1
+--disable_query_log
+echo CHILD2_1_CREATE_TABLES;
+eval $CHILD2_1_CREATE_TABLES;
+--enable_query_log
+TRUNCATE TABLE mysql.general_log;
+
+--connection master_1
+--disable_query_log
+echo CREATE TABLE tbl_a (
+    pkey int NOT NULL,
+    PRIMARY KEY (pkey)
+) MASTER_1_ENGINE MASTER_1_CHARSET MASTER_1_COMMENT_2_1;
+eval CREATE TABLE tbl_a (
+    pkey int NOT NULL,
+    PRIMARY KEY (pkey)
+) $MASTER_1_ENGINE $MASTER_1_CHARSET $MASTER_1_COMMENT_2_1;
+--enable_query_log
+INSERT INTO tbl_a (pkey) VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+
+--echo
+--echo select test
+
+--connection child2_1
+TRUNCATE TABLE mysql.general_log;
+
+--connection master_1
+SELECT * FROM tbl_a ORDER BY pkey;
+
+--connection child2_1
+eval $CHILD2_1_SELECT_ARGUMENT1;
+eval $CHILD2_1_SELECT_TABLES;
+
+--echo
+--echo deinit
+--disable_warnings
+
+--connection master_1
+DROP DATABASE IF EXISTS auto_test_local;
+
+--connection child2_1
+DROP DATABASE IF EXISTS auto_test_remote;
+SET GLOBAL log_output = @old_log_output;
+
+--enable_warnings
+--source ../include/wrapper_mariadb_deinit.inc
+--echo
+--echo end of test

storage/spider/spd_db_handlersocket.cc

@@ -500,7 +500,7 @@ SPIDER_DB_ROW *spider_db_handlersocket_row::clone()
   uint i;
   DBUG_ENTER("spider_db_handlersocket_row::clone");
   DBUG_PRINT("info",("spider this=%p", this));
-  if (!(clone_row = new spider_db_handlersocket_row()))
+  if (!(clone_row = new spider_db_handlersocket_row(dbton_id)))
   {
     DBUG_RETURN(NULL);
   }
@@ -603,7 +603,7 @@ bool spider_db_handlersocket_result_buffer::check_size(
 
 spider_db_handlersocket_result::spider_db_handlersocket_result(
   SPIDER_DB_CONN *in_db_conn
-) : spider_db_result(in_db_conn, spider_dbton_handlersocket.dbton_id)
+) : spider_db_result(in_db_conn), row(in_db_conn->dbton_id)
 {
   DBUG_ENTER("spider_db_handlersocket_result::spider_db_handlersocket_result");
   DBUG_PRINT("info",("spider this=%p", this));
@@ -3953,7 +3953,8 @@ int spider_db_handlersocket_util::append_having(
 spider_handlersocket_share::spider_handlersocket_share(
   st_spider_share *share
 ) : spider_db_share(
-  share
+  share,
+  spider_dbton_handlersocket.dbton_id
 ),
   table_names_str(NULL),
   db_names_str(NULL),

storage/spider/spd_db_include.cc

+/* Copyright (C) 2018-2019 Kentoku Shiba
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; version 2 of the License.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#define MYSQL_SERVER 1
+#include <my_global.h>
+#include "mysql_version.h"
+#include "spd_environ.h"
+#if MYSQL_VERSION_ID < 50500
+#include "mysql_priv.h"
+#include <mysql/plugin.h>
+#else
+#include "sql_priv.h"
+#include "probes_mysql.h"
+#include "sql_class.h"
+#endif
+#include "sql_common.h"
+#include <mysql.h>
+#include <errmsg.h>
+#include "spd_err.h"
+#include "spd_db_include.h"
+#include "spd_include.h"
+
+spider_db_result::spider_db_result(
+  SPIDER_DB_CONN *in_db_conn
+) : db_conn(in_db_conn), dbton_id(in_db_conn->dbton_id)
+{
+  DBUG_ENTER("spider_db_result::spider_db_result");
+  DBUG_PRINT("info",("spider this=%p", this));
+  DBUG_VOID_RETURN;
+}
+
+spider_db_conn::spider_db_conn(
+  SPIDER_CONN *in_conn
+) : conn(in_conn), dbton_id(in_conn->dbton_id)
+{
+  DBUG_ENTER("spider_db_conn::spider_db_conn");
+  DBUG_PRINT("info",("spider this=%p", this));
+  DBUG_VOID_RETURN;
+}

storage/spider/spd_db_include.h

@@ -21,6 +21,7 @@
 #define SPIDER_DBTON_SIZE 15
 
 #define SPIDER_DB_WRAPPER_MYSQL "mysql"
+#define SPIDER_DB_WRAPPER_MARIADB "mariadb"
 
 #if defined(MARIADB_BASE_VERSION) && MYSQL_VERSION_ID >= 100204
 #define PLUGIN_VAR_CAN_MEMALLOC
@@ -795,6 +796,7 @@ struct st_spider_db_request_key
 class spider_db_util
 {
 public:
+  uint dbton_id;
   spider_db_util() {}
   virtual ~spider_db_util() {}
   virtual int append_name(
@@ -961,8 +963,7 @@ class spider_db_result
   SPIDER_DB_CONN *db_conn;
 public:
   uint dbton_id;
-  spider_db_result(SPIDER_DB_CONN *in_db_conn, uint in_dbton_id) :
-    db_conn(in_db_conn), dbton_id(in_dbton_id) {}
+  spider_db_result(SPIDER_DB_CONN *in_db_conn);
   virtual ~spider_db_result() {}
   virtual bool has_result() = 0;
   virtual void free_result() = 0;
@@ -1028,9 +1029,10 @@ class spider_db_conn
 protected:
   SPIDER_CONN    *conn;
 public:
+  uint dbton_id;
   spider_db_conn(
-    SPIDER_CONN *conn
-  ) : conn(conn) {}
+    SPIDER_CONN *in_conn
+  );
   virtual ~spider_db_conn() {}
   virtual int init() = 0;
   virtual bool is_connected() = 0;
@@ -1229,8 +1231,12 @@ class spider_db_share
   const char         *mem_calc_file_name;
   ulong              mem_calc_line_no;
 public:
+  uint dbton_id;
   st_spider_share *spider_share;
-  spider_db_share(st_spider_share *share) : spider_share(share) {}
+  spider_db_share(
+    st_spider_share *share,
+    uint dbton_id
+  ) : dbton_id(dbton_id), spider_share(share) {}
   virtual ~spider_db_share() {}
   virtual int init() = 0;
   virtual uint get_column_name_length(
@@ -1264,6 +1270,7 @@ class spider_db_handler
   const char         *mem_calc_file_name;
   ulong              mem_calc_line_no;
 public:
+  uint dbton_id;
   ha_spider *spider;
   spider_db_share *db_share;
   int first_link_idx;
@@ -1271,7 +1278,8 @@ class spider_db_handler
   SPIDER_LINK_IDX_CHAIN *link_idx_chain;
 #endif
   spider_db_handler(ha_spider *spider, spider_db_share *db_share) :
-    spider(spider), db_share(db_share), first_link_idx(-1) {}
+    dbton_id(db_share->dbton_id), spider(spider), db_share(db_share),
+    first_link_idx(-1) {}
   virtual ~spider_db_handler() {}
   virtual int init() = 0;
   virtual int append_index_hint(
@@ -1750,9 +1758,10 @@ class spider_db_handler
 class spider_db_copy_table
 {
 public:
+  uint dbton_id;
   spider_db_share *db_share;
   spider_db_copy_table(spider_db_share *db_share) :
-    db_share(db_share) {}
+    dbton_id(db_share->dbton_id), db_share(db_share) {}
   virtual ~spider_db_copy_table() {}
   virtual int init() = 0;
   virtual void set_sql_charset(

storage/spider/spd_db_mysql.h

@@ -13,11 +13,11 @@
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
-class spider_db_mysql_util: public spider_db_util
+class spider_db_mbase_util: public spider_db_util
 {
 public:
-  spider_db_mysql_util();
-  ~spider_db_mysql_util();
+  spider_db_mbase_util();
+  virtual ~spider_db_mbase_util();
   int append_name(
     spider_string *str,
     const char *name,
@@ -174,7 +174,21 @@ class spider_db_mysql_util: public spider_db_util
 #endif
 };
 
-class spider_db_mysql_row: public spider_db_row
+class spider_db_mysql_util: public spider_db_mbase_util
+{
+public:
+  spider_db_mysql_util();
+  ~spider_db_mysql_util();
+};
+
+class spider_db_mariadb_util: public spider_db_mbase_util
+{
+public:
+  spider_db_mariadb_util();
+  ~spider_db_mariadb_util();
+};
+
+class spider_db_mbase_row: public spider_db_row
 {
 public:
   MYSQL_ROW           row;
@@ -184,8 +198,10 @@ class spider_db_mysql_row: public spider_db_row
   uint                field_count;
   uint                record_size;
   bool                cloned;
-  spider_db_mysql_row();
-  ~spider_db_mysql_row();
+  spider_db_mbase_row(
+    uint dbton_id
+  );
+  virtual ~spider_db_mbase_row();
   int store_to_field(
     Field *field,
     CHARSET_INFO *access_charset
@@ -214,15 +230,31 @@ class spider_db_mysql_row: public spider_db_row
   uint get_byte_size();
 };
 
-class spider_db_mysql_result: public spider_db_result
+class spider_db_mysql_row: public spider_db_mbase_row
+{
+public:
+  spider_db_mysql_row();
+  ~spider_db_mysql_row();
+};
+
+class spider_db_mariadb_row: public spider_db_mbase_row
+{
+public:
+  spider_db_mariadb_row();
+  ~spider_db_mariadb_row();
+};
+
+class spider_db_mbase_result: public spider_db_result
 {
 public:
   MYSQL_RES           *db_result;
-  spider_db_mysql_row row;
+  spider_db_mbase_row row;
   MYSQL_ROW_OFFSET    first_row;
   int                 store_error_num;
-  spider_db_mysql_result(SPIDER_DB_CONN *in_db_conn);
-  ~spider_db_mysql_result();
+  spider_db_mbase_result(
+    SPIDER_DB_CONN *in_db_conn
+  );
+  virtual ~spider_db_mbase_result();
   bool has_result();
   void free_result();
   SPIDER_DB_ROW *current_row();
@@ -289,9 +321,29 @@ class spider_db_mysql_result: public spider_db_result
 #endif
 };
 
-class spider_db_mysql: public spider_db_conn
+class spider_db_mysql_result: public spider_db_mbase_result
+{
+public:
+  spider_db_mysql_result(
+    SPIDER_DB_CONN *in_db_conn
+  );
+  ~spider_db_mysql_result();
+};
+
+class spider_db_mariadb_result: public spider_db_mbase_result
+{
+public:
+  spider_db_mariadb_result(
+    SPIDER_DB_CONN *in_db_conn
+  );
+  ~spider_db_mariadb_result();
+};
+
+class spider_db_mbase: public spider_db_conn
 {
-  int            stored_error;
+protected:
+  int                  stored_error;
+  spider_db_mbase_util *spider_db_mbase_utility;
 public:
   MYSQL          *db_conn;
   HASH           lock_table_hash;
@@ -306,10 +358,11 @@ class spider_db_mysql: public spider_db_conn
   const char     *handler_open_array_func_name;
   const char     *handler_open_array_file_name;
   ulong          handler_open_array_line_no;
-  spider_db_mysql(
-    SPIDER_CONN *conn
+  spider_db_mbase(
+    SPIDER_CONN *conn,
+    spider_db_mbase_util *spider_db_mbase_utility
   );
-  ~spider_db_mysql();
+  virtual ~spider_db_mbase();
   int init();
   bool is_connected();
   void bg_connect();
@@ -524,8 +577,28 @@ class spider_db_mysql: public spider_db_conn
   );
 };
 
-class spider_mysql_share: public spider_db_share
+class spider_db_mysql: public spider_db_mbase
+{
+public:
+  spider_db_mysql(
+    SPIDER_CONN *conn
+  );
+  ~spider_db_mysql();
+};
+
+class spider_db_mariadb: public spider_db_mbase
+{
+public:
+  spider_db_mariadb(
+    SPIDER_CONN *conn
+  );
+  ~spider_db_mariadb();
+};
+
+class spider_mbase_share: public spider_db_share
 {
+protected:
+  spider_db_mbase_util *spider_db_mbase_utility;
 public:
   spider_string      *table_select;
   int                table_select_pos;
@@ -547,10 +620,12 @@ class spider_mysql_share: public spider_db_share
   bool               same_db_table_name;
   int                first_all_link_idx;
 
-  spider_mysql_share(
-    st_spider_share *share
+  spider_mbase_share(
+    st_spider_share *share,
+    uint dbton_id,
+    spider_db_mbase_util *spider_db_mbase_utility
   );
-  ~spider_mysql_share();
+  virtual ~spider_mbase_share();
   int init();
   uint get_column_name_length(
     uint field_index
@@ -585,7 +660,7 @@ class spider_mysql_share: public spider_db_share
     spider_string *str
   );
 #endif
-private:
+protected:
   int create_table_names_str();
   void free_table_names_str();
   int create_column_name_str();
@@ -603,8 +678,28 @@ class spider_mysql_share: public spider_db_share
   );
 };
 
-class spider_mysql_handler: public spider_db_handler
+class spider_mysql_share: public spider_mbase_share
+{
+public:
+  spider_mysql_share(
+    st_spider_share *share
+  );
+  ~spider_mysql_share();
+};
+
+class spider_mariadb_share: public spider_mbase_share
 {
+public:
+  spider_mariadb_share(
+    st_spider_share *share
+  );
+  ~spider_mariadb_share();
+};
+
+class spider_mbase_handler: public spider_db_handler
+{
+protected:
+  spider_db_mbase_util    *spider_db_mbase_utility;
   spider_string           sql;
   spider_string           sql_part;
   spider_string           sql_part2;
@@ -614,7 +709,7 @@ class spider_mysql_handler: public spider_db_handler
   int                     limit_pos;
 public:
   int                     table_name_pos;
-private:
+protected:
   int                     ha_read_pos;
   int                     ha_next_pos;
   int                     ha_where_pos;
@@ -647,14 +742,15 @@ class spider_mysql_handler: public spider_db_handler
   SPIDER_INT_HLD          *union_table_name_pos_first;
   SPIDER_INT_HLD          *union_table_name_pos_current;
 public:
-  spider_mysql_share      *mysql_share;
+  spider_mbase_share      *mysql_share;
   SPIDER_LINK_FOR_HASH    *link_for_hash;
   uchar                   *minimum_select_bitmap;
-  spider_mysql_handler(
+  spider_mbase_handler(
     ha_spider *spider,
-    spider_mysql_share *share
+    spider_mbase_share *share,
+    spider_db_mbase_util *spider_db_mbase_utility
   );
-  ~spider_mysql_handler();
+  virtual ~spider_mbase_handler();
   int init();
   int append_index_hint(
     spider_string *str,
@@ -1498,16 +1594,36 @@ class spider_mysql_handler: public spider_db_handler
 #endif
 };
 
-class spider_mysql_copy_table: public spider_db_copy_table
+class spider_mysql_handler: public spider_mbase_handler
+{
+public:
+  spider_mysql_handler(
+    ha_spider *spider,
+    spider_mbase_share *share
+  );
+  ~spider_mysql_handler();
+};
+
+class spider_mariadb_handler: public spider_mbase_handler
 {
 public:
-  spider_mysql_share      *mysql_share;
+  spider_mariadb_handler(
+    ha_spider *spider,
+    spider_mbase_share *share
+  );
+  ~spider_mariadb_handler();
+};
+
+class spider_mbase_copy_table: public spider_db_copy_table
+{
+public:
+  spider_mbase_share      *mysql_share;
   spider_string           sql;
   uint                    pos;
-  spider_mysql_copy_table(
-    spider_mysql_share *db_share
+  spider_mbase_copy_table(
+    spider_mbase_share *db_share
   );
-  ~spider_mysql_copy_table();
+  virtual ~spider_mbase_copy_table();
   int init();
   void set_sql_charset(
     CHARSET_INFO *cs
@@ -1578,3 +1694,21 @@ class spider_mysql_copy_table: public spider_db_copy_table
     spider_db_copy_table *source_ct
   );
 };
+
+class spider_mysql_copy_table: public spider_mbase_copy_table
+{
+public:
+  spider_mysql_copy_table(
+    spider_mbase_share *db_share
+  );
+  ~spider_mysql_copy_table();
+};
+
+class spider_mariadb_copy_table: public spider_mbase_copy_table
+{
+public:
+  spider_mariadb_copy_table(
+    spider_mbase_share *db_share
+  );
+  ~spider_mariadb_copy_table();
+};

storage/spider/spd_db_oracle.cc

@@ -512,7 +512,7 @@ SPIDER_DB_ROW *spider_db_oracle_row::clone()
   spider_db_oracle_row *clone_row;
   DBUG_ENTER("spider_db_oracle_row::clone");
   DBUG_PRINT("info",("spider this=%p", this));
-  if (!(clone_row = new spider_db_oracle_row()))
+  if (!(clone_row = new spider_db_oracle_row(dbton_id)))
   {
     DBUG_RETURN(NULL);
   }
@@ -772,9 +772,9 @@ int spider_db_oracle_row::fetch()
 }
 
 spider_db_oracle_result::spider_db_oracle_result(SPIDER_DB_CONN *in_db_conn) :
-  spider_db_result(in_db_conn, spider_dbton_oracle.dbton_id),
+  spider_db_result(in_db_conn),
   db_conn(NULL), stmtp(NULL), field_count(0), access_charset(NULL),
-  fetched(FALSE)
+  fetched(FALSE), row(in_db_conn->dbton_id)
 {
   DBUG_ENTER("spider_db_oracle_result::spider_db_oracle_result");
   DBUG_PRINT("info",("spider this=%p", this));
@@ -4365,7 +4365,8 @@ int spider_db_oracle_util::append_having(
 spider_oracle_share::spider_oracle_share(
   st_spider_share *share
 ) : spider_db_share(
-  share
+  share,
+  spider_dbton_oracle.dbton_id
 ),
   table_select(NULL),
   table_select_pos(0),

storage/spider/spd_table.cc

@@ -128,6 +128,7 @@ extern long spider_conn_mutex_id;
 handlerton *spider_hton_ptr;
 SPIDER_DBTON spider_dbton[SPIDER_DBTON_SIZE];
 extern SPIDER_DBTON spider_dbton_mysql;
+extern SPIDER_DBTON spider_dbton_mariadb;
 #if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
 extern SPIDER_DBTON spider_dbton_handlersocket;
 #endif
@@ -7362,15 +7363,22 @@ int spider_db_init(
 #endif
 
   spider_dbton_mysql.dbton_id = dbton_id;
+  spider_dbton_mysql.db_util->dbton_id = dbton_id;
   spider_dbton[dbton_id] = spider_dbton_mysql;
   ++dbton_id;
+  spider_dbton_mariadb.dbton_id = dbton_id;
+  spider_dbton_mariadb.db_util->dbton_id = dbton_id;
+  spider_dbton[dbton_id] = spider_dbton_mariadb;
+  ++dbton_id;
 #if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
   spider_dbton_handlersocket.dbton_id = dbton_id;
+  spider_dbton_handlersocket.db_util->dbton_id = dbton_id;
   spider_dbton[dbton_id] = spider_dbton_handlersocket;
   ++dbton_id;
 #endif
 #ifdef HAVE_ORACLE_OCI
   spider_dbton_oracle.dbton_id = dbton_id;
+  spider_dbton_oracle.db_util->dbton_id = dbton_id;
   spider_dbton[dbton_id] = spider_dbton_oracle;
   ++dbton_id;
 #endif