test/dbapi/Connection/isotest27.c

   1 #include "common.h"
   2 //READ_REPEATABLE isolation testing
   3 //T1 doing update and T2 doing delete for same tuple
   4 //delete should fail
   5
   6 void* runTest1(void *p);
   7 void* runTest2(void *p);
   8 int main()
   9 {
  10
  11     Connection conn;
  12     DbRetVal rv = conn.open("root", "manager");
  13     if (rv != OK) { printf("Error during connection %d\n", rv); return 1; }
  14     DatabaseManager *dbMgr = conn.getDatabaseManager();
  15     int ret = createTable(dbMgr);
  16     if (ret != 0) { return 1; }
  17
  18     rv = conn.startTransaction();
  19     if (rv != OK) {printf ("Unable to start trans\n"); return 1; }
  20     rv = insert(dbMgr, 100, false);
  21     if (rv != OK) { printf("Unable to insert\n"); return 2; }
  22     conn.commit();
  23     printf("Tuple inserted\n");
  24
  25     pthread_t thr[2];
  26     int *status1, *status2;
  27     pthread_create (&thr[0], NULL, &runTest1,  NULL);
  28     pthread_create (&thr[1], NULL, &runTest2,  NULL);
  29     printf("All threads started\n");
  30
  31     pthread_join(thr[0], (void**)&status1);
  32     pthread_join(thr[1], (void**)&status2);
  33     ret = 0;
  34     if (*status1 != 0 || *status2 != 0) ret = 1;
  35     dbMgr->dropTable("t1");
  36     conn.close();
  37     return ret;
  38 }
  39 void* runTest1(void *message)
  40 {
  41     Connection conn;
  42     DbRetVal rv = conn.open("root", "manager");
  43     if (rv != OK) { printf("Error during connection %d\n", rv); return NULL; }
  44     DatabaseManager *dbMgr = conn.getDatabaseManager();
  45     if (dbMgr == NULL) { printf("Auth failed\n"); return NULL;}
  46     rv = conn.startTransaction(READ_REPEATABLE);
  47     if (rv != OK) return NULL;
  48     printf("Thread and pid is %d %lu\n", os::getpid(), os::getthrid());
  49     int *retval = new int();
  50     *retval = 0;
  51     rv = update(dbMgr, 100, true);
  52     if (rv != OK) { printf("Test Failed:first thread failed to update\n"); *retval = 1; }
  53     conn.commit();
  54     rv  = conn.close();
  55     pthread_exit(retval);
  56 }
  57 void* runTest2(void *message)
  58 {
  59     Connection conn;
  60     DbRetVal rv = conn.open("root", "manager");
  61     if (rv != OK) { printf("Error during connection %d\n", rv); return NULL; }
  62     DatabaseManager *dbMgr = conn.getDatabaseManager();
  63     if (dbMgr == NULL) { printf("Auth failed\n"); return NULL;}
  64     rv = conn.startTransaction(READ_REPEATABLE);
  65     if (rv != OK) return NULL;
  66     printf("Thread and pid is %d %lu\n", os::getpid(), os::getthrid());
  67
  68     int *retval = new int();
  69     *retval = 0;
  70     rv = remove(dbMgr, 100, false);
  71     if (rv == OK) { printf("Test Failed:second thread deleted\n"); *retval = 1; }
  72     conn.commit();
  73     conn.close();
  74     pthread_exit(retval);
  75 }
  76