//build: gcc testcase.c -g -o testcase -L/home/sbester/server/5.0/mysql-5.0-bk/lib -I/home/sbester/server/5.0/mysql-5.0-bk/include -lmysqlclient_r -lz -lpthread /*This is generated code!*/ /*section: includes*/ #include #include #include #include #include #define NUMTHREADS (25) /*section: globals*/ char host[]="127.0.0.1"; char username[]="root"; char password[]=""; char database[]="test"; int port=3306; pthread_t pthreads[NUMTHREADS]; int threaddone=0; /*section: function declarations*/ void *worker_thread(void *arg); MYSQL *db_connect(MYSQL *dbc); /*section: functions*/ int db_query(MYSQL *dbc,char *sql) { int res=0; MYSQL_RES *r=NULL; MYSQL_ROW w; MYSQL_FIELD *field=NULL; int i=0,moreresult=0; res = mysql_query(dbc,sql); if(res != 0) { printf("query failed '%s' : %d (%s)\n",sql,mysql_errno(dbc),mysql_error(dbc)); return 0; } do { r = mysql_store_result(dbc); if(r) { unsigned int numfields = mysql_num_fields(r); unsigned int numrows=mysql_num_rows(r); while((field = mysql_fetch_field(r))) { //print metadata information about each field } while ((w = mysql_fetch_row(r))) { for(i = 0; i < numfields; i++) { //print each field here } } mysql_free_result(r); } else //no rows returned. was it a select? { if(mysql_field_count(dbc)>0) { printf("No results for '%s'. (%d) - %s\n",sql,mysql_errno(dbc),mysql_error(dbc)); } else //it could have been some insert/update/delete { //this is successful query } } moreresult=mysql_next_result(dbc); if(moreresult>0) { printf("mysql_next_result returned %d, mysql error %s, (%d)\n",moreresult,mysql_error(dbc),mysql_errno(dbc)); break; } } while (0==moreresult); } void *worker_thread(void *arg) { MYSQL *dbc=NULL; int cancelstate=0; pthread_setcancelstate(PTHREAD_CANCEL_DISABLE,&cancelstate); if (!(dbc = mysql_init(NULL))) { printf("mysql_init\n"); dbc=NULL; goto threadexit; } else { if (!mysql_real_connect(dbc,host,username,password,database,port, NULL, CLIENT_FOUND_ROWS|CLIENT_MULTI_STATEMENTS|CLIENT_MULTI_RESULTS)) { printf("mysql_real_connect failed: %s (%d)", mysql_error(dbc),mysql_errno(dbc)); dbc=NULL; } } unsigned int counter=0; while(!threaddone && dbc!=NULL) { db_query(dbc,"alter table `bug` disable keys"); db_query(dbc,"alter table `bug_2` disable keys"); db_query(dbc,"insert delayed into `bug_2`(`name`,`add1`,`add2`) values ('Rhynd','eyedropper','alacks'),('dissects','Aquarius\\'s','Sorel'),('Delano','acetylide','toboggans'),('frightfulness\\'s','stratus','cloggier'),('remembrance','filleter','definitions')"); db_query(dbc,"select `id`,`name` from `bug_2` where `add1` = 'carapace\\'s' or `add2` = 'trustily'"); db_query(dbc,"select `id`,`name` from `bug_2` where `add1` = 'adjustable' or `add2` = 'brouhaha\\'s'"); db_query(dbc,"select `id`,`name` from `bug_2` where `add1` = 'fasted' or `add2` = 'protestation'"); db_query(dbc,"select `id`,`name` from `bug_2` where `add1` = 'dislimn' or `add2` = 'Boas\\'s'"); db_query(dbc,"select `id`,`name` from `bug_2` where `add1` = 'Guerin\\'s' or `add2` = 'quites'"); db_query(dbc,"insert delayed into `bug`(`name`,`add1`,`add2`) values ('magnetoelectricity\\'s','creditable','fashioners'),('spongin\\'s','initiatory','slumbrous'),('Fong','pointelles','Maitreya\\'s'),('albatross\\'s','authenticator','Gibeon'),('sienna\\'s','diluter','Basque')"); db_query(dbc,"select `id`,`name` from `bug` where `add1` = 'partied' or `add2` = 'moggie'"); db_query(dbc,"select `id`,`name` from `bug` where `add1` = 'heckler' or `add2` = 'turbid'"); db_query(dbc,"select `id`,`name` from `bug` where `add1` = 'squawkers' or `add2` = 'Beatty\\'s'"); db_query(dbc,"select `id`,`name` from `bug` where `add1` = 'stratagem\\'s' or `add2` = 'greenhouse'"); db_query(dbc,"select `id`,`name` from `bug` where `add1` = 'Malathion\\'s' or `add2` = 'destruction\\'s'"); db_query(dbc,"alter table `bug` enable keys"); db_query(dbc,"alter table `bug_2` enable keys"); db_query(dbc,"flush tables"); //db_query(dbc,"SHOW /*!50100 GLOBAL*/ STATUS"); } threadexit: mysql_close(dbc); mysql_thread_end(); pthread_exit(0); } int main(int argc, const char *argv[]) { MYSQL *dbc=NULL; int i=0,err=0; time_t timestart=0,timenow=0; my_init(); if (!(dbc = mysql_init(NULL))) { printf("mysql_init\n"); dbc=NULL; goto threadexit; } else { if (!mysql_real_connect(dbc,host,username,password,database,port, NULL, CLIENT_FOUND_ROWS|CLIENT_MULTI_STATEMENTS|CLIENT_MULTI_RESULTS)) { printf("mysql_real_connect failed: %s (%d)", mysql_error(dbc),mysql_errno(dbc)); dbc=NULL; goto threadexit; } } printf("running initializations"); db_query(dbc,"drop table if exists `bug`"); db_query(dbc,"create table `bug`(`id` int not null auto_increment primary key,`name` varchar(255), `add1` varchar(255), `add2` varchar(255),key(`add1`,`add2`),key(`add2`,`add1`))engine=myisam"); db_query(dbc,"drop table if exists `bug_2`"); db_query(dbc,"create table `bug_2`(`id` int not null auto_increment primary key,`name` varchar(255), `add1` varchar(255), `add2` varchar(255),key(`add1`,`add2`),key(`add2`,`add1`))engine=myisam"); mysql_close(dbc); for (i=0;i