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Pull from mysql-next-mr-runtime.

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This commit is contained in:
Alexander Nozdrin 2009-10-16 20:30:20 +04:00
commit 519f1aee78
27 changed files with 282 additions and 1113 deletions
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67
client/mysqltest.cc
View File

@ -259,8 +259,7 @@ enum enum_commands {
Q_SEND, Q_REAP,
Q_DIRTY_CLOSE, Q_REPLACE, Q_REPLACE_COLUMN,
Q_PING, Q_EVAL,
Q_RPL_PROBE, Q_ENABLE_RPL_PARSE,
Q_DISABLE_RPL_PARSE, Q_EVAL_RESULT,
Q_EVAL_RESULT,
Q_ENABLE_QUERY_LOG, Q_DISABLE_QUERY_LOG,
Q_ENABLE_RESULT_LOG, Q_DISABLE_RESULT_LOG,
Q_WAIT_FOR_SLAVE_TO_STOP,
@ -319,9 +318,6 @@ const char *command_names[]=
"replace_column",
"ping",
"eval",
"rpl_probe",
"enable_rpl_parse",
"disable_rpl_parse",
"eval_result",
/* Enable/disable that the _query_ is logged to result file */
"enable_query_log",
@ -661,14 +657,6 @@ public:
LogFile log_file;
LogFile progress_file;
/* Disable functions that only exist in MySQL 4.0 */
#if MYSQL_VERSION_ID < 40000
void mysql_enable_rpl_parse(MYSQL* mysql __attribute__((unused))) {}
void mysql_disable_rpl_parse(MYSQL* mysql __attribute__((unused))) {}
int mysql_rpl_parse_enabled(MYSQL* mysql __attribute__((unused))) { return 1; }
my_bool mysql_rpl_probe(MYSQL *mysql __attribute__((unused))) { return 1; }
#endif
void replace_dynstr_append_mem(DYNAMIC_STRING *ds, const char *val,
int len);
void replace_dynstr_append(DYNAMIC_STRING *ds, const char *val);
@ -3850,12 +3838,8 @@ int do_save_master_pos()
MYSQL_ROW row;
MYSQL *mysql = &cur_con->mysql;
const char *query;
int rpl_parse;
DBUG_ENTER("do_save_master_pos");
rpl_parse = mysql_rpl_parse_enabled(mysql);
mysql_disable_rpl_parse(mysql);
#ifdef HAVE_NDB_BINLOG
/*
Wait for ndb binlog to be up-to-date with all changes
@ -4005,10 +3989,6 @@ int do_save_master_pos()
strnmov(master_pos.file, row[0], sizeof(master_pos.file)-1);
master_pos.pos = strtoul(row[1], (char**) 0, 10);
mysql_free_result(res);
if (rpl_parse)
mysql_enable_rpl_parse(mysql);
DBUG_RETURN(0);
}
@ -4071,29 +4051,6 @@ void do_let(struct st_command *command)
}
int do_rpl_probe(struct st_command *command __attribute__((unused)))
{
DBUG_ENTER("do_rpl_probe");
if (mysql_rpl_probe(&cur_con->mysql))
die("Failed in mysql_rpl_probe(): '%s'", mysql_error(&cur_con->mysql));
DBUG_RETURN(0);
}
int do_enable_rpl_parse(struct st_command *command __attribute__((unused)))
{
mysql_enable_rpl_parse(&cur_con->mysql);
return 0;
}
int do_disable_rpl_parse(struct st_command *command __attribute__((unused)))
{
mysql_disable_rpl_parse(&cur_con->mysql);
return 0;
}
/*
Sleep the number of specified seconds
@ -6512,8 +6469,6 @@ void run_query_normal(struct st_connection *cn, struct st_command *command,
if (!disable_result_log)
{
ulonglong UNINIT_VAR(affected_rows); /* Ok to be undef if 'disable_info' is set */
if (res)
{
MYSQL_FIELD *fields= mysql_fetch_fields(res);
@ -6530,10 +6485,10 @@ void run_query_normal(struct st_connection *cn, struct st_command *command,
/*
Need to call mysql_affected_rows() before the "new"
query to find the warnings
query to find the warnings.
*/
if (!disable_info)
affected_rows= mysql_affected_rows(mysql);
append_info(ds, mysql_affected_rows(mysql), mysql_info(mysql));
/*
Add all warnings to the result. We can't do this if we are in
@ -6548,9 +6503,6 @@ void run_query_normal(struct st_connection *cn, struct st_command *command,
dynstr_append_mem(ds, ds_warnings->str, ds_warnings->length);
}
}
if (!disable_info)
append_info(ds, affected_rows, mysql_info(mysql));
}
if (res)
@ -6923,6 +6875,13 @@ void run_query_stmt(MYSQL *mysql, struct st_command *command,
*/
}
/*
Fetch info before fetching warnings, since it will be reset
otherwise.
*/
if (!disable_info)
append_info(ds, mysql_stmt_affected_rows(stmt), mysql_info(mysql));
if (!disable_warnings)
{
/* Get the warnings from execute */
@ -6946,9 +6905,6 @@ void run_query_stmt(MYSQL *mysql, struct st_command *command,
}
}
if (!disable_info)
append_info(ds, mysql_affected_rows(mysql), mysql_info(mysql));
}
end:
@ -7761,9 +7717,6 @@ int main(int argc, char **argv)
case Q_DISCONNECT:
case Q_DIRTY_CLOSE:
do_close_connection(command); break;
case Q_RPL_PROBE: do_rpl_probe(command); break;
case Q_ENABLE_RPL_PARSE: do_enable_rpl_parse(command); break;
case Q_DISABLE_RPL_PARSE: do_disable_rpl_parse(command); break;
case Q_ENABLE_QUERY_LOG: disable_query_log=0; break;
case Q_DISABLE_QUERY_LOG: disable_query_log=1; break;
case Q_ENABLE_ABORT_ON_ERROR: abort_on_error=1; break;

125
include/mysql.h
View File

@ -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;
@ -333,35 +297,12 @@ typedef struct st_mysql_res {
void *extension;
} MYSQL_RES;
#define MAX_MYSQL_MANAGER_ERR 256
#define MAX_MYSQL_MANAGER_MSG 256
#define MANAGER_OK 200
#define MANAGER_INFO 250
#define MANAGER_ACCESS 401
#define MANAGER_CLIENT_ERR 450
#define MANAGER_INTERNAL_ERR 500
#if !defined(MYSQL_SERVER) && !defined(MYSQL_CLIENT)
#define MYSQL_CLIENT
#endif
typedef struct st_mysql_manager
{
NET net;
char *host, *user, *passwd;
char *net_buf, *net_buf_pos, *net_data_end;
unsigned int port;
int cmd_status;
int last_errno;
int net_buf_size;
my_bool free_me;
my_bool eof;
char last_error[MAX_MYSQL_MANAGER_ERR];
void *extension;
} MYSQL_MANAGER;
typedef struct st_mysql_parameters
{
unsigned long *p_max_allowed_packet;
@ -454,16 +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);
@ -485,37 +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);
@ -562,18 +462,6 @@ void STDCALL mysql_debug(const char *debug);
void STDCALL myodbc_remove_escape(MYSQL *mysql,char *name);
unsigned int STDCALL mysql_thread_safe(void);
my_bool STDCALL mysql_embedded(void);
MYSQL_MANAGER* STDCALL mysql_manager_init(MYSQL_MANAGER* con);
MYSQL_MANAGER* STDCALL mysql_manager_connect(MYSQL_MANAGER* con,
const char* host,
const char* user,
const char* passwd,
unsigned int port);
void STDCALL mysql_manager_close(MYSQL_MANAGER* con);
int STDCALL mysql_manager_command(MYSQL_MANAGER* con,
const char* cmd, int cmd_len);
int STDCALL mysql_manager_fetch_line(MYSQL_MANAGER* con,
char* res_buf,
int res_buf_size);
my_bool STDCALL mysql_read_query_result(MYSQL *mysql);
@ -842,7 +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

68
include/mysql.h.pp
View File

@ -277,10 +277,10 @@ struct st_mysql_options {
unsigned long max_allowed_packet;
my_bool use_ssl;
my_bool compress,named_pipe;
my_bool rpl_probe;
my_bool rpl_parse;
my_bool no_master_reads;
my_bool separate_thread;
my_bool unused1;
my_bool unused2;
my_bool unused3;
my_bool unused4;
enum mysql_option methods_to_use;
char *client_ip;
my_bool secure_auth;
@ -301,10 +301,6 @@ enum mysql_protocol_type
MYSQL_PROTOCOL_DEFAULT, MYSQL_PROTOCOL_TCP, MYSQL_PROTOCOL_SOCKET,
MYSQL_PROTOCOL_PIPE, MYSQL_PROTOCOL_MEMORY
};
enum mysql_rpl_type
{
MYSQL_RPL_MASTER, MYSQL_RPL_SLAVE, MYSQL_RPL_ADMIN
};
typedef struct character_set
{
unsigned int number;
@ -344,10 +340,8 @@ typedef struct st_mysql
my_bool free_me;
my_bool reconnect;
char scramble[20 +1];
my_bool rpl_pivot;
struct st_mysql* master, *next_slave;
struct st_mysql* last_used_slave;
struct st_mysql* last_used_con;
my_bool unused1;
void *unused2, *unused3, *unused4, *unused5;
LIST *stmts;
const struct st_mysql_methods *methods;
void *thd;
@ -371,20 +365,6 @@ typedef struct st_mysql_res {
my_bool unbuffered_fetch_cancelled;
void *extension;
} MYSQL_RES;
typedef struct st_mysql_manager
{
NET net;
char *host, *user, *passwd;
char *net_buf, *net_buf_pos, *net_data_end;
unsigned int port;
int cmd_status;
int last_errno;
int net_buf_size;
my_bool free_me;
my_bool eof;
char last_error[256];
void *extension;
} MYSQL_MANAGER;
typedef struct st_mysql_parameters
{
unsigned long *p_max_allowed_packet;
@ -437,14 +417,6 @@ int mysql_real_query(MYSQL *mysql, const char *q,
unsigned long length);
MYSQL_RES * mysql_store_result(MYSQL *mysql);
MYSQL_RES * mysql_use_result(MYSQL *mysql);
my_bool mysql_master_query(MYSQL *mysql, const char *q,
unsigned long length);
my_bool mysql_master_send_query(MYSQL *mysql, const char *q,
unsigned long length);
my_bool mysql_slave_query(MYSQL *mysql, const char *q,
unsigned long length);
my_bool mysql_slave_send_query(MYSQL *mysql, const char *q,
unsigned long length);
void mysql_get_character_set_info(MYSQL *mysql,
MY_CHARSET_INFO *charset);
void
@ -459,22 +431,6 @@ mysql_set_local_infile_handler(MYSQL *mysql,
void *);
void
mysql_set_local_infile_default(MYSQL *mysql);
void mysql_enable_rpl_parse(MYSQL* mysql);
void mysql_disable_rpl_parse(MYSQL* mysql);
int mysql_rpl_parse_enabled(MYSQL* mysql);
void mysql_enable_reads_from_master(MYSQL* mysql);
void mysql_disable_reads_from_master(MYSQL* mysql);
my_bool mysql_reads_from_master_enabled(MYSQL* mysql);
enum mysql_rpl_type mysql_rpl_query_type(const char* q, int len);
my_bool mysql_rpl_probe(MYSQL* mysql);
int mysql_set_master(MYSQL* mysql, const char* host,
unsigned int port,
const char* user,
const char* passwd);
int mysql_add_slave(MYSQL* mysql, const char* host,
unsigned int port,
const char* user,
const char* passwd);
int mysql_shutdown(MYSQL *mysql,
enum mysql_enum_shutdown_level
shutdown_level);
@ -521,18 +477,6 @@ void mysql_debug(const char *debug);
void myodbc_remove_escape(MYSQL *mysql,char *name);
unsigned int mysql_thread_safe(void);
my_bool mysql_embedded(void);
MYSQL_MANAGER* mysql_manager_init(MYSQL_MANAGER* con);
MYSQL_MANAGER* mysql_manager_connect(MYSQL_MANAGER* con,
const char* host,
const char* user,
const char* passwd,
unsigned int port);
void mysql_manager_close(MYSQL_MANAGER* con);
int mysql_manager_command(MYSQL_MANAGER* con,
const char* cmd, int cmd_len);
int mysql_manager_fetch_line(MYSQL_MANAGER* con,
char* res_buf,
int res_buf_size);
my_bool mysql_read_query_result(MYSQL *mysql);
enum enum_mysql_stmt_state
{

4
include/mysql_com.h
View File

@ -408,10 +408,6 @@ void my_net_set_write_timeout(NET *net, uint timeout);
void my_net_set_read_timeout(NET *net, uint timeout);
#endif
/*
The following function is not meant for normal usage
Currently it's used internally by manager.c
*/
struct sockaddr;
int my_connect(my_socket s, const struct sockaddr *name, unsigned int namelen,
unsigned int timeout);

2
libmysql/CMakeLists.txt
View File

@ -73,7 +73,7 @@ SET(CLIENT_SOURCES ../mysys/array.c ../strings/bchange.c ../strings/bmove.c
../mysys/hash.c ../mysys/my_sleep.c ../mysys/default_modify.c
get_password.c ../strings/int2str.c ../strings/is_prefix.c
libmysql.c ../mysys/list.c ../strings/llstr.c
../strings/longlong2str.c manager.c ../mysys/mf_arr_appstr.c ../mysys/mf_cache.c
../strings/longlong2str.c ../mysys/mf_arr_appstr.c ../mysys/mf_cache.c
../mysys/mf_dirname.c ../mysys/mf_fn_ext.c ../mysys/mf_format.c
../mysys/mf_iocache.c ../mysys/mf_iocache2.c ../mysys/mf_loadpath.c
../mysys/mf_pack.c ../mysys/mf_path.c ../mysys/mf_tempfile.c ../mysys/mf_unixpath.c

2
libmysql/Makefile.shared
View File

@ -31,7 +31,7 @@ pkglib_LTLIBRARIES = $(target)
noinst_PROGRAMS = conf_to_src
target_sources = libmysql.c password.c manager.c \
target_sources = libmysql.c password.c \
get_password.c errmsg.c
mystringsobjects = strmov.lo strxmov.lo strxnmov.lo strnmov.lo \

391
libmysql/libmysql.c
View File

@ -249,16 +249,6 @@ void STDCALL mysql_thread_end()
#endif
}
/*
Let the user specify that we don't want SIGPIPE; This doesn't however work
with threaded applications as we can have multiple read in progress.
*/
static MYSQL* spawn_init(MYSQL* parent, const char* host,
unsigned int port,
const char* user,
const char* passwd);
/*
Expand wildcard to a sql string
@ -320,7 +310,7 @@ mysql_debug(const char *debug __attribute__((unused)))
/**************************************************************************
Close the server connection if we get a SIGPIPE
Ignore SIGPIPE handler
ARGSUSED
**************************************************************************/
@ -333,305 +323,6 @@ my_pipe_sig_handler(int sig __attribute__((unused)))
#endif
}
/* perform query on master */
my_bool STDCALL mysql_master_query(MYSQL *mysql, const char *q,
unsigned long length)
{
DBUG_ENTER("mysql_master_query");
if (mysql_master_send_query(mysql, q, length))
DBUG_RETURN(1);
DBUG_RETURN((*mysql->methods->read_query_result)(mysql));
}
my_bool STDCALL mysql_master_send_query(MYSQL *mysql, const char *q,
unsigned long length)
{
MYSQL *master = mysql->master;
DBUG_ENTER("mysql_master_send_query");
if (!master->net.vio && !mysql_real_connect(master,0,0,0,0,0,0,0))
DBUG_RETURN(1);
master->reconnect= 1;
mysql->last_used_con = master;
DBUG_RETURN(simple_command(master, COM_QUERY, (const uchar*) q, length, 1));
}
/* perform query on slave */
my_bool STDCALL mysql_slave_query(MYSQL *mysql, const char *q,
unsigned long length)
{
DBUG_ENTER("mysql_slave_query");
if (mysql_slave_send_query(mysql, q, length))
DBUG_RETURN(1);
DBUG_RETURN((*mysql->methods->read_query_result)(mysql));
}
my_bool STDCALL mysql_slave_send_query(MYSQL *mysql, const char *q,
unsigned long length)
{
MYSQL* last_used_slave, *slave_to_use = 0;
DBUG_ENTER("mysql_slave_send_query");
if ((last_used_slave = mysql->last_used_slave))
slave_to_use = last_used_slave->next_slave;
else
slave_to_use = mysql->next_slave;
/*
Next_slave is always safe to use - we have a circular list of slaves
if there are no slaves, mysql->next_slave == mysql
*/
mysql->last_used_con = mysql->last_used_slave = slave_to_use;
if (!slave_to_use->net.vio && !mysql_real_connect(slave_to_use, 0,0,0,
0,0,0,0))
DBUG_RETURN(1);
slave_to_use->reconnect= 1;
DBUG_RETURN(simple_command(slave_to_use, COM_QUERY, (const uchar*) q,
length, 1));
}
/* enable/disable parsing of all queries to decide
if they go on master or slave */
void STDCALL mysql_enable_rpl_parse(MYSQL* mysql)
{
mysql->options.rpl_parse = 1;
}
void STDCALL mysql_disable_rpl_parse(MYSQL* mysql)
{
mysql->options.rpl_parse = 0;
}
/* get the value of the parse flag */
int STDCALL mysql_rpl_parse_enabled(MYSQL* mysql)
{
return mysql->options.rpl_parse;
}
/* enable/disable reads from master */
void STDCALL mysql_enable_reads_from_master(MYSQL* mysql)
{
mysql->options.no_master_reads = 0;
}
void STDCALL mysql_disable_reads_from_master(MYSQL* mysql)
{
mysql->options.no_master_reads = 1;
}
/* get the value of the master read flag */
my_bool STDCALL mysql_reads_from_master_enabled(MYSQL* mysql)
{
return !(mysql->options.no_master_reads);
}
/*
We may get an error while doing replication internals.
In this case, we add a special explanation to the original
error
*/
static void expand_error(MYSQL* mysql, int error)
{
char tmp[MYSQL_ERRMSG_SIZE];
char *p;
uint err_length;
strmake(tmp, mysql->net.last_error, MYSQL_ERRMSG_SIZE-1);
p = strmake(mysql->net.last_error, ER(error), MYSQL_ERRMSG_SIZE-1);
err_length= (uint) (p - mysql->net.last_error);
strmake(p, tmp, MYSQL_ERRMSG_SIZE-1 - err_length);
mysql->net.last_errno = error;
}
/*
This function assumes we have just called SHOW SLAVE STATUS and have
read the given result and row
*/
static my_bool get_master(MYSQL* mysql, MYSQL_RES* res, MYSQL_ROW row)
{
MYSQL* master;
DBUG_ENTER("get_master");
if (mysql_num_fields(res) < 3)
DBUG_RETURN(1); /* safety */
/* use the same username and password as the original connection */
if (!(master = spawn_init(mysql, row[0], atoi(row[2]), 0, 0)))
DBUG_RETURN(1);
mysql->master = master;
DBUG_RETURN(0);
}
/*
Assuming we already know that mysql points to a master connection,
retrieve all the slaves
*/
static my_bool get_slaves_from_master(MYSQL* mysql)
{
MYSQL_RES* res = 0;
MYSQL_ROW row;
my_bool error = 1;
int has_auth_info;
int port_ind;
DBUG_ENTER("get_slaves_from_master");
if (!mysql->net.vio && !mysql_real_connect(mysql,0,0,0,0,0,0,0))
{
expand_error(mysql, CR_PROBE_MASTER_CONNECT);
DBUG_RETURN(1);
}
mysql->reconnect= 1;
if (mysql_query(mysql, "SHOW SLAVE HOSTS") ||
!(res = mysql_store_result(mysql)))
{
expand_error(mysql, CR_PROBE_SLAVE_HOSTS);
DBUG_RETURN(1);
}
switch (mysql_num_fields(res)) {
case 5:
has_auth_info = 0;
port_ind=2;
break;
case 7:
has_auth_info = 1;
port_ind=4;
break;
default:
goto err;
}
while ((row = mysql_fetch_row(res)))
{
MYSQL* slave;
const char* tmp_user, *tmp_pass;
if (has_auth_info)
{
tmp_user = row[2];
tmp_pass = row[3];
}
else
{
tmp_user = mysql->user;
tmp_pass = mysql->passwd;
}
if (!(slave = spawn_init(mysql, row[1], atoi(row[port_ind]),
tmp_user, tmp_pass)))
goto err;
/* Now add slave into the circular linked list */
slave->next_slave = mysql->next_slave;
mysql->next_slave = slave;
}
error = 0;
err:
if (res)
mysql_free_result(res);
DBUG_RETURN(error);
}
my_bool STDCALL mysql_rpl_probe(MYSQL* mysql)
{
MYSQL_RES *res= 0;
MYSQL_ROW row;
my_bool error= 1;
DBUG_ENTER("mysql_rpl_probe");
/*
First determine the replication role of the server we connected to
the most reliable way to do this is to run SHOW SLAVE STATUS and see
if we have a non-empty master host. This is still not fool-proof -
it is not a sin to have a master that has a dormant slave thread with
a non-empty master host. However, it is more reliable to check
for empty master than whether the slave thread is actually running
*/
if (mysql_query(mysql, "SHOW SLAVE STATUS") ||
!(res = mysql_store_result(mysql)))
{
expand_error(mysql, CR_PROBE_SLAVE_STATUS);
DBUG_RETURN(1);
}
row= mysql_fetch_row(res);
/*
Check master host for emptiness/NULL
For MySQL 4.0 it's enough to check for row[0]
*/
if (row && row[0] && *(row[0]))
{
/* this is a slave, ask it for the master */
if (get_master(mysql, res, row) || get_slaves_from_master(mysql))
goto err;
}
else
{
mysql->master = mysql;
if (get_slaves_from_master(mysql))
goto err;
}
error = 0;
err:
if (res)
mysql_free_result(res);
DBUG_RETURN(error);
}
/*
Make a not so fool-proof decision on where the query should go, to
the master or the slave. Ideally the user should always make this
decision himself with mysql_master_query() or mysql_slave_query().
However, to be able to more easily port the old code, we support the
option of an educated guess - this should work for most applications,
however, it may make the wrong decision in some particular cases. If
that happens, the user would have to change the code to call
mysql_master_query() or mysql_slave_query() explicitly in the place
where we have made the wrong decision
*/
enum mysql_rpl_type
STDCALL mysql_rpl_query_type(const char* q, int len)
{
const char *q_end= q + len;
for (; q < q_end; ++q)
{
char c;
if (my_isalpha(&my_charset_latin1, (c= *q)))
{
switch (my_tolower(&my_charset_latin1,c)) {
case 'i': /* insert */
case 'u': /* update or unlock tables */
case 'l': /* lock tables or load data infile */
case 'd': /* drop or delete */
case 'a': /* alter */
return MYSQL_RPL_MASTER;
case 'c': /* create or check */
return my_tolower(&my_charset_latin1,q[1]) == 'h' ? MYSQL_RPL_ADMIN :
MYSQL_RPL_MASTER;
case 's': /* select or show */
return my_tolower(&my_charset_latin1,q[1]) == 'h' ? MYSQL_RPL_ADMIN :
MYSQL_RPL_SLAVE;
case 'f': /* flush */
case 'r': /* repair */
case 'g': /* grant */
return MYSQL_RPL_ADMIN;
default:
return MYSQL_RPL_SLAVE;
}
}
}
return MYSQL_RPL_MASTER; /* By default, send to master */
}
/**************************************************************************
Connect to sql server
@ -1093,68 +784,6 @@ mysql_query(MYSQL *mysql, const char *query)
}
static MYSQL* spawn_init(MYSQL* parent, const char* host,
unsigned int port, const char* user,
const char* passwd)
{
MYSQL* child;
DBUG_ENTER("spawn_init");
if (!(child= mysql_init(0)))
DBUG_RETURN(0);
child->options.user= my_strdup((user) ? user :
(parent->user ? parent->user :
parent->options.user), MYF(0));
child->options.password= my_strdup((passwd) ? passwd :
(parent->passwd ?
parent->passwd :
parent->options.password), MYF(0));
child->options.port= port;
child->options.host= my_strdup((host) ? host :
(parent->host ?
parent->host :
parent->options.host), MYF(0));
if (parent->db)
child->options.db= my_strdup(parent->db, MYF(0));
else if (parent->options.db)
child->options.db= my_strdup(parent->options.db, MYF(0));
/*
rpl_pivot is set to 1 in mysql_init(); Reset it as we are not doing
replication here
*/
child->rpl_pivot= 0;
DBUG_RETURN(child);
}
int
STDCALL mysql_set_master(MYSQL* mysql, const char* host,
unsigned int port, const char* user,
const char* passwd)
{
if (mysql->master != mysql && !mysql->master->rpl_pivot)
mysql_close(mysql->master);
if (!(mysql->master = spawn_init(mysql, host, port, user, passwd)))
return 1;
return 0;
}
int
STDCALL mysql_add_slave(MYSQL* mysql, const char* host,
unsigned int port,
const char* user,
const char* passwd)
{
MYSQL* slave;
if (!(slave = spawn_init(mysql, host, port, user, passwd)))
return 1;
slave->next_slave = mysql->next_slave;
mysql->next_slave = slave;
return 0;
}
/**************************************************************************
Return next field of the query results
**************************************************************************/
@ -1483,17 +1112,17 @@ MYSQL_FIELD_OFFSET STDCALL mysql_field_tell(MYSQL_RES *res)
unsigned int STDCALL mysql_field_count(MYSQL *mysql)
{
return mysql->last_used_con->field_count;
return mysql->field_count;
}
my_ulonglong STDCALL mysql_affected_rows(MYSQL *mysql)
{
return mysql->last_used_con->affected_rows;
return mysql->affected_rows;
}
my_ulonglong STDCALL mysql_insert_id(MYSQL *mysql)
{
return mysql->last_used_con->insert_id;
return mysql->insert_id;
}
const char *STDCALL mysql_sqlstate(MYSQL *mysql)
@ -1858,7 +1487,6 @@ my_bool cli_read_prepare_result(MYSQL *mysql, MYSQL_STMT *stmt)
MYSQL_DATA *fields_data;
DBUG_ENTER("cli_read_prepare_result");
mysql= mysql->last_used_con;
if ((packet_length= cli_safe_read(mysql)) == packet_error)
DBUG_RETURN(1);
mysql->warning_count= 0;
@ -2092,7 +1720,7 @@ static void alloc_stmt_fields(MYSQL_STMT *stmt)
{
MYSQL_FIELD *fields, *field, *end;
MEM_ROOT *alloc= &stmt->mem_root;
MYSQL *mysql= stmt->mysql->last_used_con;
MYSQL *mysql= stmt->mysql;
stmt->field_count= mysql->field_count;
@ -2479,7 +2107,6 @@ static my_bool execute(MYSQL_STMT *stmt, char *packet, ulong length)
DBUG_ENTER("execute");
DBUG_DUMP("packet", (uchar *) packet, length);
mysql->last_used_con= mysql;
int4store(buff, stmt->stmt_id); /* Send stmt id to server */
buff[4]= (char) stmt->flags;
int4store(buff+5, 1); /* iteration count */
@ -4689,7 +4316,6 @@ int cli_read_binary_rows(MYSQL_STMT *stmt)
}
net = &mysql->net;
mysql= mysql->last_used_con;
while ((pkt_len= cli_safe_read(mysql)) != packet_error)
{
@ -4787,8 +4413,6 @@ int STDCALL mysql_stmt_store_result(MYSQL_STMT *stmt)
DBUG_RETURN(1);
}
mysql= mysql->last_used_con;
if (!stmt->field_count)
DBUG_RETURN(0);
@ -5193,8 +4817,7 @@ my_bool STDCALL mysql_more_results(MYSQL *mysql)
my_bool res;
DBUG_ENTER("mysql_more_results");
res= ((mysql->last_used_con->server_status & SERVER_MORE_RESULTS_EXISTS) ?
1: 0);
res= ((mysql->server_status & SERVER_MORE_RESULTS_EXISTS) ? 1: 0);
DBUG_PRINT("exit",("More results exists ? %d", res));
DBUG_RETURN(res);
}
@ -5216,7 +4839,7 @@ int STDCALL mysql_next_result(MYSQL *mysql)
net_clear_error(&mysql->net);
mysql->affected_rows= ~(my_ulonglong) 0;
if (mysql->last_used_con->server_status & SERVER_MORE_RESULTS_EXISTS)
if (mysql->server_status & SERVER_MORE_RESULTS_EXISTS)
DBUG_RETURN((*mysql->methods->next_result)(mysql));
DBUG_RETURN(-1); /* No more results */

269
libmysql/manager.c
View File

@ -1,269 +0,0 @@
/* Copyright (C) 2000-2004 MySQL AB
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.
There are special exceptions to the terms and conditions of the GPL as it
is applied to this software. View the full text of the exception in file
EXCEPTIONS-CLIENT in the directory of this software distribution.
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 */
#include <my_global.h>
#if defined(THREAD)
#include <my_pthread.h> /* because of signal() */
#endif
#include "mysql.h"
#include "mysql_version.h"
#include "mysqld_error.h"
#include <my_sys.h>
#include <mysys_err.h>
#include <m_string.h>
#include <m_ctype.h>
#include <my_net.h>
#include <errmsg.h>
#include <violite.h>
#include <sys/stat.h>
#include <signal.h>
#include <errno.h>
#if defined(__NETWARE__)
#include <netdb.h>
#include <sys/select.h>
#include <sys/utsname.h>
#elif !defined( __WIN__)
#include <sys/resource.h>
#ifdef HAVE_SYS_UN_H
# include <sys/un.h>
#endif
#include <netdb.h>
#ifdef HAVE_SELECT_H
# include <select.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#include <sys/utsname.h>
#endif /* __WIN__ */
#ifndef INADDR_NONE
#define INADDR_NONE -1
#endif
#define RES_BUF_SHIFT 5
#define NET_BUF_SIZE 2048
MYSQL_MANAGER* STDCALL mysql_manager_init(MYSQL_MANAGER* con)
{
int net_buf_size=NET_BUF_SIZE;
if (!con)
{
if (!(con=(MYSQL_MANAGER*)my_malloc(sizeof(*con)+net_buf_size,
MYF(MY_WME|MY_ZEROFILL))))
return 0;
con->free_me=1;
con->net_buf=(char*)con+sizeof(*con);
}
else
{
bzero((char*)con,sizeof(*con));
if (!(con->net_buf=my_malloc(net_buf_size,MYF(0))))
return 0;
}
con->net_buf_pos=con->net_data_end=con->net_buf;
con->net_buf_size=net_buf_size;
return con;
}
MYSQL_MANAGER* STDCALL mysql_manager_connect(MYSQL_MANAGER* con,
const char* host,
const char* user,
const char* passwd,
unsigned int port)
{
my_socket sock;
struct sockaddr_in sock_addr;
in_addr_t ip_addr;
char msg_buf[MAX_MYSQL_MANAGER_MSG];
int msg_len;
Vio* vio;
my_bool not_used;
if (!host)
host="localhost";
if (!user)
user="root";
if (!passwd)
passwd="";
if ((sock=(my_socket)socket(AF_INET,SOCK_STREAM,0)) == INVALID_SOCKET)
{
con->last_errno=errno;
strmov(con->last_error,"Cannot create socket");
goto err;
}
if (!(vio=vio_new(sock,VIO_TYPE_TCPIP,FALSE)))
{
con->last_errno=ENOMEM;
strmov(con->last_error,"Cannot create network I/O object");
goto err;
}
vio_blocking(vio, TRUE, &not_used);
my_net_init(&con->net,vio);
bzero((char*) &sock_addr,sizeof(sock_addr));
sock_addr.sin_family = AF_INET;
if ((int) (ip_addr = inet_addr(host)) != (int) INADDR_NONE)
{
memcpy_fixed(&sock_addr.sin_addr,&ip_addr,sizeof(ip_addr));
}
else
{
int tmp_errno;
struct hostent tmp_hostent,*hp;
char buff2[GETHOSTBYNAME_BUFF_SIZE];
hp = my_gethostbyname_r(host,&tmp_hostent,buff2,sizeof(buff2),
&tmp_errno);
if (!hp)
{
con->last_errno=tmp_errno;
sprintf(con->last_error,"Could not resolve host '%-.64s'",host);
my_gethostbyname_r_free();
goto err;
}
memcpy(&sock_addr.sin_addr,hp->h_addr, (size_t) hp->h_length);
my_gethostbyname_r_free();
}
sock_addr.sin_port = (ushort) htons((ushort) port);
if (my_connect(sock,(struct sockaddr *) &sock_addr, sizeof(sock_addr),
0))
{
con->last_errno=errno;
sprintf(con->last_error ,"Could not connect to %-.64s", host);
goto err;
}
/* read the greating */
if (my_net_read(&con->net) == packet_error)
{
con->last_errno=errno;
strmov(con->last_error,"Read error on socket");
goto err;
}
sprintf(msg_buf,"%-.16s %-.16s\n",user,passwd);
msg_len=strlen(msg_buf);
if (my_net_write(&con->net,(uchar*) msg_buf,msg_len) || net_flush(&con->net))
{
con->last_errno=con->net.last_errno;
strmov(con->last_error,"Write error on socket");
goto err;
}
if (my_net_read(&con->net) == packet_error)
{
con->last_errno=errno;
strmov(con->last_error,"Read error on socket");
goto err;
}
if ((con->cmd_status=atoi((char*) con->net.read_pos)) != MANAGER_OK)
{
strmov(con->last_error,"Access denied");
goto err;
}
if (!my_multi_malloc(MYF(0), &con->host, (uint)strlen(host)+1,
&con->user, (uint)strlen(user)+1,
&con->passwd, (uint)strlen(passwd)+1,
NullS))
{
con->last_errno=ENOMEM;
strmov(con->last_error,"Out of memory");
goto err;
}
strmov(con->host,host);
strmov(con->user,user);
strmov(con->passwd,passwd);
return con;
err:
{
my_bool free_me=con->free_me;
con->free_me=0;
mysql_manager_close(con);
con->free_me=free_me;
}
return 0;
}
void STDCALL mysql_manager_close(MYSQL_MANAGER* con)
{
/*
No need to free con->user and con->passwd, because they were
allocated in my_multimalloc() along with con->host, freeing
con->hosts frees the whole block
*/
my_free((uchar*)con->host,MYF(MY_ALLOW_ZERO_PTR));
net_end(&con->net);
if (con->free_me)
my_free((uchar*)con,MYF(0));
}
int STDCALL mysql_manager_command(MYSQL_MANAGER* con,const char* cmd,
int cmd_len)
{
if (!cmd_len)
cmd_len=strlen(cmd);
if (my_net_write(&con->net,(const uchar*)cmd,cmd_len) || net_flush(&con->net))
{
con->last_errno=errno;
strmov(con->last_error,"Write error on socket");
return 1;
}
con->eof=0;
return 0;
}
int STDCALL mysql_manager_fetch_line(MYSQL_MANAGER* con, char* res_buf,
int res_buf_size)
{
char* res_buf_end=res_buf+res_buf_size;
char* net_buf=(char*) con->net.read_pos, *net_buf_end;
int res_buf_shift=RES_BUF_SHIFT;
ulong num_bytes;
if (res_buf_size<RES_BUF_SHIFT)
{
con->last_errno=ENOMEM;
strmov(con->last_error,"Result buffer too small");
return 1;
}
if ((num_bytes=my_net_read(&con->net)) == packet_error)
{
con->last_errno=errno;
strmov(con->last_error,"socket read failed");
return 1;
}
net_buf_end=net_buf+num_bytes;
if ((con->eof=(net_buf[3]==' ')))
res_buf_shift--;
net_buf+=res_buf_shift;
res_buf_end[-1]=0;
for (;net_buf<net_buf_end && res_buf < res_buf_end;res_buf++,net_buf++)
{
if ((*res_buf=*net_buf) == '\r')
{
*res_buf=0;
break;
}
}
return 0;
}

40
mysql-test/r/insert.result
View File

@ -639,3 +639,43 @@ CREATE TABLE t2(f1 CHAR(1));
INSERT INTO t2 SELECT f1 FROM t1;
DROP TABLE t1, t2;
End of 5.0 tests.
#
# Bug#34898 "mysql_info() reports 0 warnings while
# mysql_warning_count() reports 1"
# Check that the number of warnings reported by
# mysql_info() is correct.
#
drop table if exists t1;
create table t1 (data varchar(4) not null);
set sql_mode='error_for_division_by_zero';
#
# Demonstrate that the number of warnings matches
# the information in mysql_info().
#
insert t1 (data) values ('letter'), (1/0);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 3
Warnings:
Warning 1265 Data truncated for column 'data' at row 1
Warning 1365 Division by 0
Warning 1048 Column 'data' cannot be null
update t1 set data='envelope' where 1/0 or 1;
affected rows: 2
info: Rows matched: 2 Changed: 2 Warnings: 3
Warnings:
Warning 1365 Division by 0
Warning 1265 Data truncated for column 'data' at row 1
Warning 1265 Data truncated for column 'data' at row 2
insert t1 (data) values (default), (1/0), ('dead beef');
affected rows: 3
info: Records: 3 Duplicates: 0 Warnings: 4
Warnings:
Warning 1364 Field 'data' doesn't have a default value
Warning 1365 Division by 0
Warning 1048 Column 'data' cannot be null
Warning 1265 Data truncated for column 'data' at row 3
set sql_mode=default;
drop table t1;
#
# End of 5.4 tests
#

8
mysql-test/suite/rpl/r/rpl_udf.result
View File

@ -181,21 +181,21 @@ affected rows: 2
CREATE TABLE t1(sum INT, price FLOAT(24)) ENGINE=MyISAM;
affected rows: 0
INSERT INTO t1 VALUES(myfunc_int(100), myfunc_double(50.00));
affected rows: 1
Warnings:
Note 1592 Statement may not be safe to log in statement format.
affected rows: 1
INSERT INTO t1 VALUES(myfunc_int(10), myfunc_double(5.00));
affected rows: 1
Warnings:
Note 1592 Statement may not be safe to log in statement format.
affected rows: 1
INSERT INTO t1 VALUES(myfunc_int(200), myfunc_double(25.00));
affected rows: 1
Warnings:
Note 1592 Statement may not be safe to log in statement format.
affected rows: 1
INSERT INTO t1 VALUES(myfunc_int(1), myfunc_double(500.00));
affected rows: 1
Warnings:
Note 1592 Statement may not be safe to log in statement format.
affected rows: 1
SELECT * FROM t1 ORDER BY sum;
sum price
1 48.5

30
mysql-test/t/insert.test
View File

@ -499,3 +499,33 @@ DROP TABLE t1, t2;
--echo End of 5.0 tests.
--echo #
--echo # Bug#34898 "mysql_info() reports 0 warnings while
--echo # mysql_warning_count() reports 1"
--echo # Check that the number of warnings reported by
--echo # mysql_info() is correct.
--echo #
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (data varchar(4) not null);
set sql_mode='error_for_division_by_zero';
--echo #
--echo # Demonstrate that the number of warnings matches
--echo # the information in mysql_info().
--echo #
--enable_info
insert t1 (data) values ('letter'), (1/0);
update t1 set data='envelope' where 1/0 or 1;
insert t1 (data) values (default), (1/0), ('dead beef');
--disable_info
set sql_mode=default;
drop table t1;
--echo #
--echo # End of 5.4 tests
--echo #

118
sql-common/client.c
View File

@ -1036,7 +1036,6 @@ static const char *default_options[]=
"ssl-key" ,"ssl-cert" ,"ssl-ca" ,"ssl-capath",
"character-sets-dir", "default-character-set", "interactive-timeout",
"connect-timeout", "local-infile", "disable-local-infile",
"replication-probe", "enable-reads-from-master", "repl-parse-query",
"ssl-cipher", "max-allowed-packet", "protocol", "shared-memory-base-name",
"multi-results", "multi-statements", "multi-queries", "secure-auth",
"report-data-truncation",
@ -1182,7 +1181,7 @@ void mysql_read_default_options(struct st_mysql_options *options,
my_free(options->ssl_capath, MYF(MY_ALLOW_ZERO_PTR));
options->ssl_capath = my_strdup(opt_arg, MYF(MY_WME));
break;
case 26: /* ssl_cipher */
case 23: /* ssl_cipher */
my_free(options->ssl_cipher, MYF(MY_ALLOW_ZERO_PTR));
options->ssl_cipher= my_strdup(opt_arg, MYF(MY_WME));
break;
@ -1191,7 +1190,7 @@ void mysql_read_default_options(struct st_mysql_options *options,
case 14:
case 15:
case 16:
case 26:
case 23:
break;
#endif /* HAVE_OPENSSL */
case 17: /* charset-lib */
@ -1214,24 +1213,11 @@ void mysql_read_default_options(struct st_mysql_options *options,
case 22:
options->client_flag&= ~CLIENT_LOCAL_FILES;
break;
case 23: /* replication probe */
#ifndef TO_BE_DELETED
options->rpl_probe= 1;
#endif
break;
case 24: /* enable-reads-from-master */
options->no_master_reads= 0;
break;
case 25: /* repl-parse-query */
#ifndef TO_BE_DELETED
options->rpl_parse= 1;
#endif
break;
case 27:
case 24: /* max-allowed-packet */
if (opt_arg)
options->max_allowed_packet= atoi(opt_arg);
break;
case 28: /* protocol */
case 25: /* protocol */
if ((options->protocol= find_type(opt_arg,
&sql_protocol_typelib,0)) <= 0)
{
@ -1239,24 +1225,24 @@ void mysql_read_default_options(struct st_mysql_options *options,
exit(1);
}
break;
case 29: /* shared_memory_base_name */
case 26: /* shared_memory_base_name */
#ifdef HAVE_SMEM
if (options->shared_memory_base_name != def_shared_memory_base_name)
my_free(options->shared_memory_base_name,MYF(MY_ALLOW_ZERO_PTR));
options->shared_memory_base_name=my_strdup(opt_arg,MYF(MY_WME));
#endif
break;
case 30:
case 27: /* multi-results */
options->client_flag|= CLIENT_MULTI_RESULTS;
break;
case 31:
case 32:
case 28: /* multi-statements */
case 29: /* multi-queries */
options->client_flag|= CLIENT_MULTI_STATEMENTS | CLIENT_MULTI_RESULTS;
break;
case 33: /* secure-auth */
case 30: /* secure-auth */
options->secure_auth= TRUE;
break;
case 34: /* report-data-truncation */
case 31: /* report-data-truncation */
options->report_data_truncation= opt_arg ? test(atoi(opt_arg)) : 1;
break;
default:
@ -1583,16 +1569,8 @@ mysql_init(MYSQL *mysql)
else
bzero((char*) (mysql), sizeof(*(mysql)));
mysql->options.connect_timeout= CONNECT_TIMEOUT;
mysql->last_used_con= mysql->next_slave= mysql->master = mysql;
mysql->charset=default_client_charset_info;
strmov(mysql->net.sqlstate, not_error_sqlstate);
/*
By default, we are a replication pivot. The caller must reset it
after we return if this is not the case.
*/
#ifndef TO_BE_DELETED
mysql->rpl_pivot = 1;
#endif
/*
Only enable LOAD DATA INFILE by default if configured with
@ -2533,11 +2511,6 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
mysql->reconnect=reconnect;
}
#ifndef TO_BE_DELETED
if (mysql->options.rpl_probe && mysql_rpl_probe(mysql))
goto error;
#endif
DBUG_PRINT("exit", ("Mysql handler: 0x%lx", (long) mysql));
reset_sigpipe(mysql);
DBUG_RETURN(mysql);
@ -2559,28 +2532,6 @@ error:
}
/* needed when we move MYSQL structure to a different address */
#ifndef TO_BE_DELETED
static void mysql_fix_pointers(MYSQL* mysql, MYSQL* old_mysql)
{
MYSQL *tmp, *tmp_prev;
if (mysql->master == old_mysql)
mysql->master= mysql;
if (mysql->last_used_con == old_mysql)
mysql->last_used_con= mysql;
if (mysql->last_used_slave == old_mysql)
mysql->last_used_slave= mysql;
for (tmp_prev = mysql, tmp = mysql->next_slave;
tmp != old_mysql;tmp = tmp->next_slave)
{
tmp_prev= tmp;
}
tmp_prev->next_slave= mysql;
}
#endif
my_bool mysql_reconnect(MYSQL *mysql)
{
MYSQL tmp_mysql;
@ -2599,8 +2550,7 @@ my_bool mysql_reconnect(MYSQL *mysql)
mysql_init(&tmp_mysql);
tmp_mysql.options= mysql->options;
tmp_mysql.options.my_cnf_file= tmp_mysql.options.my_cnf_group= 0;
tmp_mysql.rpl_pivot= mysql->rpl_pivot;
if (!mysql_real_connect(&tmp_mysql,mysql->host,mysql->user,mysql->passwd,
mysql->db, mysql->port, mysql->unix_socket,
mysql->client_flag | CLIENT_REMEMBER_OPTIONS))
@ -2634,7 +2584,6 @@ my_bool mysql_reconnect(MYSQL *mysql)
mysql->free_me=0;
mysql_close(mysql);
*mysql=tmp_mysql;
mysql_fix_pointers(mysql, &tmp_mysql); /* adjust connection pointers */
net_clear(&mysql->net, 1);
mysql->affected_rows= ~(my_ulonglong) 0;
DBUG_RETURN(0);
@ -2812,23 +2761,6 @@ void STDCALL mysql_close(MYSQL *mysql)
mysql_close_free_options(mysql);
mysql_close_free(mysql);
mysql_detach_stmt_list(&mysql->stmts, "mysql_close");
#ifndef TO_BE_DELETED
/* free/close slave list */
if (mysql->rpl_pivot)
{
MYSQL* tmp;
for (tmp = mysql->next_slave; tmp != mysql; )
{
/* trick to avoid following freed pointer */
MYSQL* tmp1 = tmp->next_slave;
mysql_close(tmp);
tmp = tmp1;
}
mysql->rpl_pivot=0;
}
#endif
if (mysql != mysql->master)
mysql_close(mysql->master);
#ifndef MYSQL_SERVER
if (mysql->thd)
(*mysql->methods->free_embedded_thd)(mysql);
@ -2848,12 +2780,6 @@ static my_bool cli_read_query_result(MYSQL *mysql)
ulong length;
DBUG_ENTER("cli_read_query_result");
/*
Read from the connection which we actually used, which
could differ from the original connection if we have slaves
*/
mysql = mysql->last_used_con;
if ((length = cli_safe_read(mysql)) == packet_error)
DBUG_RETURN(1);
free_old_query(mysql); /* Free old result */
@ -2928,23 +2854,6 @@ int STDCALL
mysql_send_query(MYSQL* mysql, const char* query, ulong length)
{
DBUG_ENTER("mysql_send_query");
DBUG_PRINT("enter",("rpl_parse: %d rpl_pivot: %d",
mysql->options.rpl_parse, mysql->rpl_pivot));
#ifndef TO_BE_DELETED
if (mysql->options.rpl_parse && mysql->rpl_pivot)
{
switch (mysql_rpl_query_type(query, length)) {
case MYSQL_RPL_MASTER:
DBUG_RETURN(mysql_master_send_query(mysql, query, length));
case MYSQL_RPL_SLAVE:
DBUG_RETURN(mysql_slave_send_query(mysql, query, length));
case MYSQL_RPL_ADMIN:
break; /* fall through */
}
}
mysql->last_used_con = mysql;
#endif
DBUG_RETURN(simple_command(mysql, COM_QUERY, (uchar*) query, length, 1));
}
@ -2971,8 +2880,7 @@ MYSQL_RES * STDCALL mysql_store_result(MYSQL *mysql)
{
MYSQL_RES *result;
DBUG_ENTER("mysql_store_result");
/* read from the actually used connection */
mysql = mysql->last_used_con;
if (!mysql->fields)
DBUG_RETURN(0);
if (mysql->status != MYSQL_STATUS_GET_RESULT)
@ -3027,8 +2935,6 @@ static MYSQL_RES * cli_use_result(MYSQL *mysql)
MYSQL_RES *result;
DBUG_ENTER("cli_use_result");
mysql = mysql->last_used_con;
if (!mysql->fields)
DBUG_RETURN(0);
if (mysql->status != MYSQL_STATUS_GET_RESULT)

2
sql/Makefile.am
View File

@ -110,7 +110,7 @@ noinst_HEADERS = item.h item_func.h item_sum.h item_cmpfunc.h \
sql_plugin.h authors.h event_parse_data.h \
event_data_objects.h event_scheduler.h \
sql_partition.h partition_info.h partition_element.h \
contributors.h sql_servers.h sql_signal.h
contributors.h sql_servers.h sql_signal.h records.h
mysqld_SOURCES = sql_lex.cc sql_handler.cc sql_partition.cc \
item.cc item_sum.cc item_buff.cc item_func.cc \

3
sql/handler.h
View File

@ -581,6 +581,7 @@ struct handler_iterator {
void *buffer;
};
class handler;
/*
handlerton is a singleton structure - one instance per storage engine -
to provide access to storage engine functionality that works on the
@ -1152,7 +1153,7 @@ public:
virtual ~handler(void)
{
DBUG_ASSERT(locked == FALSE);
/* TODO: DBUG_ASSERT(inited == NONE); */
DBUG_ASSERT(inited == NONE);
}
virtual handler *clone(MEM_ROOT *mem_root);
/** This is called after create to allow us to set up cached variables */

6
sql/item_subselect.cc
View File

@ -1863,7 +1863,8 @@ void subselect_uniquesubquery_engine::fix_length_and_dec(Item_cache **row)
DBUG_ASSERT(0);
}
int init_read_record_seq(JOIN_TAB *tab);
int read_first_record_seq(JOIN_TAB *tab);
int rr_sequential(READ_RECORD *info);
int join_read_always_key_or_null(JOIN_TAB *tab);
int join_read_next_same_or_null(READ_RECORD *info);
@ -1945,7 +1946,8 @@ int subselect_single_select_engine::exec()
/* Change the access method to full table scan */
tab->save_read_first_record= tab->read_first_record;
tab->save_read_record= tab->read_record.read_record;
tab->read_first_record= init_read_record_seq;
tab->read_record.read_record= rr_sequential;
tab->read_first_record= read_first_record_seq;
tab->read_record.record= tab->table->record[0];
tab->read_record.thd= join->thd;
tab->read_record.ref_length= tab->table->file->ref_length;

7
sql/mysql_priv.h
View File

@ -878,6 +878,7 @@ bool general_log_write(THD *thd, enum enum_server_command command,
#include "tztime.h"
#ifdef MYSQL_SERVER
#include "sql_servers.h"
#include "records.h"
#include "opt_range.h"
#ifdef HAVE_QUERY_CACHE
@ -2235,12 +2236,6 @@ longlong get_datetime_value(THD *thd, Item ***item_arg, Item **cache_arg,
int test_if_number(char *str,int *res,bool allow_wildcards);
void change_byte(uchar *,uint,char,char);
void init_read_record(READ_RECORD *info, THD *thd, TABLE *reg_form,
SQL_SELECT *select, int use_record_cache,
bool print_errors, bool disable_rr_cache);
void init_read_record_idx(READ_RECORD *info, THD *thd, TABLE *table,
bool print_error, uint idx);
void end_read_record(READ_RECORD *info);
ha_rows filesort(THD *thd, TABLE *form,struct st_sort_field *sortorder,
uint s_length, SQL_SELECT *select,
ha_rows max_rows, bool sort_positions,

5
sql/records.cc
View File

@ -13,6 +13,9 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifdef USE_PRAGMA_INTERFACE
#pragma implementation /* gcc class implementation */
#endif
/**
@file
@ -21,8 +24,10 @@
Functions for easy reading of records, possible through a cache
*/
#include "records.h"
#include "mysql_priv.h"
static int rr_quick(READ_RECORD *info);
int rr_sequential(READ_RECORD *info);
static int rr_from_tempfile(READ_RECORD *info);

75
sql/records.h Normal file
View File

@ -0,0 +1,75 @@
#ifndef SQL_RECORDS_H
#define SQL_RECORDS_H
/* Copyright (C) 2008 Sun/MySQL
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 */
#ifdef USE_PRAGMA_INTERFACE
#pragma interface /* gcc class implementation */
#endif
#include <my_global.h> /* for uint typedefs */
struct st_join_table;
class handler;
struct TABLE;
class THD;
class SQL_SELECT;
/**
A context for reading through a single table using a chosen access method:
index read, scan, etc, use of cache, etc.
Use by:
READ_RECORD read_record;
init_read_record(&read_record, ...);
while (read_record.read_record())
{
...
}
end_read_record();
*/
struct READ_RECORD
{
typedef int (*Read_func)(READ_RECORD*);
typedef int (*Setup_func)(struct st_join_table*);
TABLE *table; /* Head-form */
handler *file;
TABLE **forms; /* head and ref forms */
Read_func read_record;
THD *thd;
SQL_SELECT *select;
uint cache_records;
uint ref_length,struct_length,reclength,rec_cache_size,error_offset;
uint index;
uchar *ref_pos; /* pointer to form->refpos */
uchar *record;
uchar *rec_buf; /* to read field values after filesort */
uchar *cache,*cache_pos,*cache_end,*read_positions;
struct st_io_cache *io_cache;
bool print_error, ignore_not_found_rows;
public:
READ_RECORD() {}
};
void init_read_record(READ_RECORD *info, THD *thd, TABLE *reg_form,
SQL_SELECT *select, int use_record_cache,
bool print_errors, bool disable_rr_cache);
void init_read_record_idx(READ_RECORD *info, THD *thd, TABLE *table,
bool print_error, uint idx);
void end_read_record(READ_RECORD *info);
#endif /* SQL_RECORDS_H */

12
sql/sp_head.cc
View File

@ -1958,15 +1958,19 @@ sp_head::execute_procedure(THD *thd, List<Item> *args)
}
}
/*
Okay, got values for all arguments. Close tables that might be used by
arguments evaluation. If arguments evaluation required prelocking mode,
/*
Okay, got values for all arguments. Close tables that might be used by
arguments evaluation. If arguments evaluation required prelocking mode,
we'll leave it here.
*/
if (!thd->in_sub_stmt)
{
thd->lex->unit.cleanup();
close_thread_tables(thd);
thd_proc_info(thd, "closing tables");
close_thread_tables(thd);
thd_proc_info(thd, 0);
thd->rollback_item_tree_changes();
}

8
sql/sql_cache.cc
View File

@ -2114,10 +2114,10 @@ ulong Query_cache::init_cache()
file system) and so should use case insensitive collation for
comparison.
*/
VOID(hash_init(&tables,
lower_case_table_names ? &my_charset_bin :
files_charset_info,
def_table_hash_size, 0, 0,query_cache_table_get_key, 0, 0));
VOID(my_hash_init(&tables,
lower_case_table_names ? &my_charset_bin :
files_charset_info,
def_table_hash_size, 0, 0,query_cache_table_get_key, 0, 0));
#endif
queries_in_cache = 0;

42
sql/sql_class.h
View File

@ -280,6 +280,27 @@ public:
LEX_COLUMN (const String& x,const uint& y ): column (x),rights (y) {}
};
/**
Query_cache_tls -- query cache thread local data.
*/
struct Query_cache_block;
struct Query_cache_tls
{
/*
'first_query_block' should be accessed only via query cache
functions and methods to maintain proper locking.
*/
Query_cache_block *first_query_block;
void set_first_query_block(Query_cache_block *first_query_block_arg)
{
first_query_block= first_query_block_arg;
}
Query_cache_tls() :first_query_block(NULL) {}
};
/* SIGNAL / RESIGNAL / GET DIAGNOSTICS */
/**
@ -315,27 +336,6 @@ typedef enum enum_diag_condition_item_name
*/
extern const LEX_STRING Diag_condition_item_names[];
/**
Query_cache_tls -- query cache thread local data.
*/
class Query_cache_block;
struct Query_cache_tls
{
/*
'first_query_block' should be accessed only via query cache
functions and methods to maintain proper locking.
*/
Query_cache_block *first_query_block;
void set_first_query_block(Query_cache_block *first_query_block_arg)
{
first_query_block= first_query_block_arg;
}
Query_cache_tls() :first_query_block(NULL) {}
};
#include "sql_lex.h" /* Must be here */
class Delayed_insert;

69
sql/sql_select.cc
View File

@ -991,13 +991,13 @@ JOIN::optimize()
}
if (const_tables && !thd->locked_tables &&
!(select_options & SELECT_NO_UNLOCK))
mysql_unlock_some_tables(thd, table, const_tables);
mysql_unlock_some_tables(thd, all_tables, const_tables);
if (!conds && outer_join)
{
/* Handle the case where we have an OUTER JOIN without a WHERE */
conds=new Item_int((longlong) 1,1); // Always true
}
select= make_select(*table, const_table_map,
select= make_select(*all_tables, const_table_map,
const_table_map, conds, 1, &error);
if (error)
{ /* purecov: inspected */
@ -2905,7 +2905,7 @@ make_join_statistics(JOIN *join, TABLE_LIST *tables_arg, COND *conds,
join->join_tab=stat;
join->map2table=stat_ref;
join->table= join->all_tables=table_vector;
join->all_tables= table_vector;
join->const_tables=const_count;
join->found_const_table_map=found_const_table_map;
@ -5595,7 +5595,7 @@ get_best_combination(JOIN *join)
{
TABLE *form;
*j= *join->best_positions[tablenr].table;
form=join->table[tablenr]=j->table;
form=join->all_tables[tablenr]=j->table;
used_tables|= form->map;
form->reginfo.join_tab=j;
if (!*j->on_expr_ref)
@ -5867,7 +5867,7 @@ JOIN::make_simple_join(JOIN *parent, TABLE *tmp_table)
DBUG_RETURN(TRUE); /* purecov: inspected */
join_tab= parent->join_tab_reexec;
table= &parent->table_reexec[0]; parent->table_reexec[0]= tmp_table;
parent->table_reexec[0]= tmp_table;
tables= 1;
const_tables= 0;
const_table_map= 0;
@ -6899,24 +6899,23 @@ void JOIN::cleanup(bool full)
{
DBUG_ENTER("JOIN::cleanup");
if (table)
if (all_tables)
{
JOIN_TAB *tab,*end;
/*
Only a sorted table may be cached. This sorted table is always the
first non const table in join->table
first non const table in join->all_tables
*/
if (tables > const_tables) // Test for not-const tables
{
free_io_cache(table[const_tables]);
filesort_free_buffers(table[const_tables],full);
free_io_cache(all_tables[const_tables]);
filesort_free_buffers(all_tables[const_tables],full);
}
if (full)
{
for (tab= join_tab, end= tab+tables; tab != end; tab++)
tab->cleanup();
table= 0;
}
else
{
@ -7245,7 +7244,7 @@ static void clear_tables(JOIN *join)
are not re-calculated.
*/
for (uint i=join->const_tables ; i < join->tables ; i++)
mark_as_null_row(join->table[i]); // All fields are NULL
mark_as_null_row(join->all_tables[i]); // All fields are NULL
}
/*****************************************************************************
@ -10995,26 +10994,7 @@ do_select(JOIN *join,List<Item> *fields,TABLE *table,Procedure *procedure)
if (error == NESTED_LOOP_NO_MORE_ROWS)
error= NESTED_LOOP_OK;
if (error == NESTED_LOOP_OK)
{
/*
Sic: this branch works even if rc != 0, e.g. when
send_data above returns an error.
*/
if (!table) // If sending data to client
{
/*
The following will unlock all cursors if the command wasn't an
update command
*/
join->join_free(); // Unlock all cursors
if (join->result->send_eof())
rc= 1; // Don't send error
}
DBUG_PRINT("info",("%ld records output", (long) join->send_records));
}
else
rc= -1;
if (table)
{
int tmp, new_errno= 0;
@ -11031,6 +11011,29 @@ do_select(JOIN *join,List<Item> *fields,TABLE *table,Procedure *procedure)
if (new_errno)
table->file->print_error(new_errno,MYF(0));
}
else
{
/*
The following will unlock all cursors if the command wasn't an
update command
*/
join->join_free(); // Unlock all cursors
}
if (error == NESTED_LOOP_OK)
{
/*
Sic: this branch works even if rc != 0, e.g. when
send_data above returns an error.
*/
if (!table) // If sending data to client
{
if (join->result->send_eof())
rc= 1; // Don't send error
}
DBUG_PRINT("info",("%ld records output", (long) join->send_records));
}
else
rc= -1;
#ifndef DBUG_OFF
if (rc)
{
@ -11878,10 +11881,8 @@ join_init_quick_read_record(JOIN_TAB *tab)
}
int rr_sequential(READ_RECORD *info);
int init_read_record_seq(JOIN_TAB *tab)
int read_first_record_seq(JOIN_TAB *tab)
{
tab->read_record.read_record= rr_sequential;
if (tab->read_record.file->ha_rnd_init(1))
return 1;
return (*tab->read_record.read_record)(&tab->read_record);

11
sql/sql_select.h
View File

@ -134,7 +134,6 @@ enum enum_nested_loop_state
typedef enum_nested_loop_state
(*Next_select_func)(JOIN *, struct st_join_table *, bool);
typedef int (*Read_record_func)(struct st_join_table *tab);
Next_select_func setup_end_select_func(JOIN *join);
@ -162,7 +161,7 @@ typedef struct st_join_table {
*/
uint packed_info;
Read_record_func read_first_record;
READ_RECORD::Setup_func read_first_record;
Next_select_func next_select;
READ_RECORD read_record;
/*
@ -170,8 +169,8 @@ typedef struct st_join_table {
if it is executed by an alternative full table scan when the left operand of
the subquery predicate is evaluated to NULL.
*/
Read_record_func save_read_first_record;/* to save read_first_record */
int (*save_read_record) (READ_RECORD *);/* to save read_record.read_record */
READ_RECORD::Setup_func save_read_first_record;/* to save read_first_record */
READ_RECORD::Read_func save_read_record;/* to save read_record.read_record */
double worst_seeks;
key_map const_keys; /**< Keys with constant part */
key_map checked_keys; /**< Keys checked in find_best */
@ -280,7 +279,7 @@ public:
JOIN_TAB *join_tab,**best_ref;
JOIN_TAB **map2table; ///< mapping between table indexes and JOIN_TABs
JOIN_TAB *join_tab_save; ///< saved join_tab for subquery reexecution
TABLE **table,**all_tables,*sort_by_table;
TABLE **all_tables,*sort_by_table;
uint tables,const_tables;
uint send_group_parts;
bool sort_and_group,first_record,full_join,group, no_field_update;
@ -427,7 +426,7 @@ public:
select_result *result_arg)
{
join_tab= join_tab_save= 0;
table= 0;
all_tables= 0;
tables= 0;
const_tables= 0;
join_list= 0;

2
sql/sql_table.cc
View File

@ -7477,7 +7477,7 @@ view_err:
end_temporary:
my_snprintf(tmp_name, sizeof(tmp_name), ER(ER_INSERT_INFO),
(ulong) (copied + deleted), (ulong) deleted,
(ulong) thd->cuted_fields);
(ulong) thd->warning_info->statement_warn_count());
my_ok(thd, copied + deleted, 0L, tmp_name);
thd->some_tables_deleted=0;
DBUG_RETURN(FALSE);

2
sql/sql_update.cc
View File

@ -833,7 +833,7 @@ int mysql_update(THD *thd,
char buff[STRING_BUFFER_USUAL_SIZE];
my_snprintf(buff, sizeof(buff), ER(ER_UPDATE_INFO), (ulong) found,
(ulong) updated,
(ulong) thd->warning_info->statement_warn_count());
(ulong) thd->warning_info->statement_warn_count());
thd->row_count_func=
(thd->client_capabilities & CLIENT_FOUND_ROWS) ? found : updated;
my_ok(thd, (ulong) thd->row_count_func, id, buff);

25
sql/structs.h
View File

@ -18,6 +18,7 @@
struct TABLE;
class Field;
class THD;
typedef struct st_date_time_format {
uchar positions[8];
@ -115,30 +116,6 @@ typedef struct st_reginfo { /* Extra info about reg */
} REGINFO;
struct st_read_record; /* For referense later */
class SQL_SELECT;
class THD;
class handler;
typedef struct st_read_record { /* Parameter to read_record */
TABLE *table; /* Head-form */
handler *file;
TABLE **forms; /* head and ref forms */
int (*read_record)(struct st_read_record *);
THD *thd;
SQL_SELECT *select;
uint cache_records;
uint ref_length,struct_length,reclength,rec_cache_size,error_offset;
uint index;
uchar *ref_pos; /* pointer to form->refpos */
uchar *record;
uchar *rec_buf; /* to read field values after filesort */
uchar *cache,*cache_pos,*cache_end,*read_positions;
IO_CACHE *io_cache;
bool print_error, ignore_not_found_rows;
} READ_RECORD;
/*
Originally MySQL used MYSQL_TIME structure inside server only, but since
4.1 it's exported to user in the new client API. Define aliases for

2
storage/federated/ha_federated.cc
View File

@ -2892,7 +2892,7 @@ int ha_federated::info(uint flag)
}
if (flag & HA_STATUS_AUTO)
stats.auto_increment_value= mysql->last_used_con->insert_id;
stats.auto_increment_value= mysql->insert_id;
mysql_free_result(result);