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slave start <options> to be able to do

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slave start io_thread 
 slave start sql_thread
same for stop
This commit is contained in:
sasha@mysql.sashanet.com 2002-03-09 21:48:06 -07:00
parent 0300cd77df
commit d993a1c0c4
5 changed files with 26 additions and 3 deletions
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2
sql/lex.h
View File

@ -191,6 +191,7 @@ static SYMBOL symbols[] = {
{ "INT4", SYM(INT_SYM),0,0},
{ "INT8", SYM(BIGINT),0,0},
{ "INTO", SYM(INTO),0,0},
{ "IO_THREAD", SYM(IO_THREAD),0,0},
{ "IF", SYM(IF),0,0},
{ "IS", SYM(IS),0,0},
{ "ISOLATION", SYM(ISOLATION),0,0},
@ -327,6 +328,7 @@ static SYMBOL symbols[] = {
{ "SQL_SELECT_LIMIT", SYM(SQL_SELECT_LIMIT),0,0},
{ "SQL_SLAVE_SKIP_COUNTER", SYM(SQL_SLAVE_SKIP_COUNTER),0,0},
{ "SQL_SMALL_RESULT", SYM(SQL_SMALL_RESULT),0,0},
{ "SQL_THREAD", SYM(SQL_THREAD),0,0},
{ "SQL_WARNINGS", SYM(SQL_WARNINGS),0,0},
{ "SSL", SYM(SSL_SYM),0,0},
{ "STRAIGHT_JOIN", SYM(STRAIGHT_JOIN),0,0},

1
sql/sql_lex.cc
View File

@ -150,6 +150,7 @@ LEX *lex_start(THD *thd, uchar *buf,uint length)
lex->convert_set=(lex->thd=thd)->convert_set;
lex->yacc_yyss=lex->yacc_yyvs=0;
lex->ignore_space=test(thd->sql_mode & MODE_IGNORE_SPACE);
lex->slave_thd_opt=0;
return lex;
}

2
sql/sql_lex.h
View File

@ -186,7 +186,7 @@ typedef struct st_lex {
thr_lock_type lock_option;
bool drop_primary,drop_if_exists,local_file;
bool in_comment,ignore_space,verbose,simple_alter, option_type;
uint slave_thd_opt;
} LEX;

4
sql/sql_repl.cc
View File

@ -562,6 +562,8 @@ int start_slave(THD* thd , MASTER_INFO* mi, bool net_report)
return 1;
lock_slave_threads(mi); // this allows us to cleanly read slave_running
init_thread_mask(&thread_mask,mi,1 /* inverse */);
if (thd->lex.slave_thd_opt)
thread_mask &= thd->lex.slave_thd_opt;
if (thread_mask)
{
if (server_id_supplied && (!mi->inited || (mi->inited && *mi->host)))
@ -602,6 +604,8 @@ int stop_slave(THD* thd, MASTER_INFO* mi, bool net_report )
int thread_mask;
lock_slave_threads(mi);
init_thread_mask(&thread_mask,mi,0 /* not inverse*/);
if (thd->lex.slave_thd_opt)
thread_mask &= thd->lex.slave_thd_opt;
slave_errno = (thread_mask) ?
terminate_slave_threads(mi,thread_mask,
1 /*skip lock */) : ER_SLAVE_NOT_RUNNING;

20
sql/sql_yacc.yy
View File

@ -123,6 +123,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token RESET_SYM
%token PURGE
%token SLAVE
%token IO_THREAD
%token SQL_THREAD
%token START_SYM
%token STOP_SYM
%token TRUNCATE_SYM
@ -1256,20 +1258,34 @@ opt_to:
| AS {}
slave:
SLAVE START_SYM
SLAVE START_SYM slave_thread_opts
{
LEX *lex=Lex;
lex->sql_command = SQLCOM_SLAVE_START;
lex->type = 0;
}
|
SLAVE STOP_SYM
SLAVE STOP_SYM slave_thread_opts
{
LEX *lex=Lex;
lex->sql_command = SQLCOM_SLAVE_STOP;
lex->type = 0;
};
slave_thread_opts: slave_thread_opt
| slave_thread_opts ',' slave_thread_opt
slave_thread_opt:
/*empty*/ {}
| SQL_THREAD
{
Lex->slave_thd_opt|=SLAVE_SQL;
}
| IO_THREAD
{
Lex->slave_thd_opt|=SLAVE_IO;
}
restore:
RESTORE_SYM table_or_tables
{