Backport of:

------------------------------------------------------------
revno: 2476.981.1
committer: msvensson@pilot.mysql.com
timestamp: Mon 2007-11-26 19:03:23 +0100
message:
  Bug#31952 Remove undocumented mysql_rpl_* functions.
  - Functions removed + variables in st_mysql and st_mysql_options 
    renamed to "unused".
  - Code updated to work without those functions and variables

1 files changed, 6 insertions, 84 deletions

diff --git a/include/mysql.h b/include/mysql.h
index d782c033784..ca682e6f30b 100644
--- a/include/mysql.h
+++ b/include/mysql.h
@@ -188,24 +188,10 @@ struct st_mysql_options {
   unsigned long max_allowed_packet;
   my_bool use_ssl;				/* if to use SSL or not */
   my_bool compress,named_pipe;
- /*
-   On connect, find out the replication role of the server, and
-   establish connections to all the peers
- */
-  my_bool rpl_probe;
- /*
-   Each call to mysql_real_query() will parse it to tell if it is a read
-   or a write, and direct it to the slave or the master
- */
-  my_bool rpl_parse;
- /*
-   If set, never read from a master, only from slave, when doing
-   a read that is replication-aware
- */
-  my_bool no_master_reads;
-#if !defined(CHECK_EMBEDDED_DIFFERENCES) || defined(EMBEDDED_LIBRARY)
-  my_bool separate_thread;
-#endif
+  my_bool unused1;
+  my_bool unused2;
+  my_bool unused3;
+  my_bool unused4;
   enum mysql_option methods_to_use;
   char *client_ip;
   /* Refuse client connecting to server if it uses old (pre-4.1.1) protocol */
@@ -232,15 +218,6 @@ enum mysql_protocol_type
   MYSQL_PROTOCOL_DEFAULT, MYSQL_PROTOCOL_TCP, MYSQL_PROTOCOL_SOCKET,
   MYSQL_PROTOCOL_PIPE, MYSQL_PROTOCOL_MEMORY
 };
-/*
-  There are three types of queries - the ones that have to go to
-  the master, the ones that go to a slave, and the adminstrative
-  type which must happen on the pivot connectioin
-*/
-enum mysql_rpl_type 
-{
-  MYSQL_RPL_MASTER, MYSQL_RPL_SLAVE, MYSQL_RPL_ADMIN
-};
 
 typedef struct character_set
 {
@@ -285,21 +262,8 @@ typedef struct st_mysql
 
   /* session-wide random string */
   char	        scramble[SCRAMBLE_LENGTH+1];
-
- /*
-   Set if this is the original connection, not a master or a slave we have
-   added though mysql_rpl_probe() or mysql_set_master()/ mysql_add_slave()
- */
-  my_bool rpl_pivot;
-  /*
-    Pointers to the master, and the next slave connections, points to
-    itself if lone connection.
-  */
-  struct st_mysql* master, *next_slave;
-
-  struct st_mysql* last_used_slave; /* needed for round-robin slave pick */
- /* needed for send/read/store/use result to work correctly with replication */
-  struct st_mysql* last_used_con;
+  my_bool unused1;
+  void *unused2, *unused3, *unused4, *unused5;
 
   LIST  *stmts;                     /* list of all statements */
   const struct st_mysql_methods *methods;
@@ -431,16 +395,6 @@ int		STDCALL mysql_real_query(MYSQL *mysql, const char *q,
 MYSQL_RES *     STDCALL mysql_store_result(MYSQL *mysql);
 MYSQL_RES *     STDCALL mysql_use_result(MYSQL *mysql);
 
-/* perform query on master */
-my_bool		STDCALL mysql_master_query(MYSQL *mysql, const char *q,
-					   unsigned long length);
-my_bool		STDCALL mysql_master_send_query(MYSQL *mysql, const char *q,
-						unsigned long length);
-/* perform query on slave */  
-my_bool		STDCALL mysql_slave_query(MYSQL *mysql, const char *q,
-					  unsigned long length);
-my_bool		STDCALL mysql_slave_send_query(MYSQL *mysql, const char *q,
-					       unsigned long length);
 void        STDCALL mysql_get_character_set_info(MYSQL *mysql,
                            MY_CHARSET_INFO *charset);
 
@@ -462,37 +416,6 @@ mysql_set_local_infile_handler(MYSQL *mysql,
 void
 mysql_set_local_infile_default(MYSQL *mysql);
 
-
-/*
-  enable/disable parsing of all queries to decide if they go on master or
-  slave
-*/
-void            STDCALL mysql_enable_rpl_parse(MYSQL* mysql);
-void            STDCALL mysql_disable_rpl_parse(MYSQL* mysql);
-/* get the value of the parse flag */  
-int             STDCALL mysql_rpl_parse_enabled(MYSQL* mysql);
-
-/*  enable/disable reads from master */
-void            STDCALL mysql_enable_reads_from_master(MYSQL* mysql);
-void            STDCALL mysql_disable_reads_from_master(MYSQL* mysql);
-/* get the value of the master read flag */  
-my_bool		STDCALL mysql_reads_from_master_enabled(MYSQL* mysql);
-
-enum mysql_rpl_type     STDCALL mysql_rpl_query_type(const char* q, int len);  
-
-/* discover the master and its slaves */  
-my_bool		STDCALL mysql_rpl_probe(MYSQL* mysql);
-
-/* set the master, close/free the old one, if it is not a pivot */
-int             STDCALL mysql_set_master(MYSQL* mysql, const char* host,
-					 unsigned int port,
-					 const char* user,
-					 const char* passwd);
-int             STDCALL mysql_add_slave(MYSQL* mysql, const char* host,
-					unsigned int port,
-					const char* user,
-					const char* passwd);
-
 int		STDCALL mysql_shutdown(MYSQL *mysql,
                                        enum mysql_enum_shutdown_level
                                        shutdown_level);
@@ -807,7 +730,6 @@ MYSQL *		STDCALL mysql_connect(MYSQL *mysql, const char *host,
 				      const char *user, const char *passwd);
 int		STDCALL mysql_create_db(MYSQL *mysql, const char *DB);
 int		STDCALL mysql_drop_db(MYSQL *mysql, const char *DB);
-#define	 mysql_reload(mysql) mysql_refresh((mysql),REFRESH_GRANT)
 #endif
 #define HAVE_MYSQL_REAL_CONNECT