test/dbapi/Connection/isotest16.c

   1 #include "common.h"
   2 //READ_UNCOMMITTED
   3 //T1 doing delete and T2 doing insert for same tuple
   4 //Insert 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     //Hardcoded to fail: It is giving wrong message. Check that and remove this
  39     return 1;
  40 }
  41 void* runTest1(void *message)
  42 {
  43     Connection conn;
  44     DbRetVal rv = conn.open("root", "manager");
  45     if (rv != OK) { printf("Error during connection %d\n", rv); return NULL; }
  46     DatabaseManager *dbMgr = conn.getDatabaseManager();
  47     if (dbMgr == NULL) { printf("Auth failed\n"); return NULL;}
  48     rv = conn.startTransaction(READ_UNCOMMITTED);
  49     if (rv != OK) return NULL;
  50     printf("Thread and pid is %d %lu\n", os::getpid(), os::getthrid());
  51     int *retval = new int();
  52     *retval = 0;
  53     rv = remove(dbMgr, 100, true);
  54     if (rv != OK) { printf("Test Failed:first thread failed to delete\n"); *retval = 1; }
  55
  56     conn.commit();
  57     rv  = conn.close();
  58     pthread_exit(retval);
  59 }
  60 void* runTest2(void *message)
  61 {
  62     Connection conn;
  63     DbRetVal rv = conn.open("root", "manager");
  64     if (rv != OK) { printf("Error during connection %d\n", rv); return NULL; }
  65     DatabaseManager *dbMgr = conn.getDatabaseManager();
  66     if (dbMgr == NULL) { printf("Auth failed\n"); return NULL;}
  67     rv = conn.startTransaction(READ_UNCOMMITTED);
  68     if (rv != OK) return NULL;
  69     printf("Thread and pid is %d %lu\n", os::getpid(), os::getthrid());
  70
  71     int *retval = new int();
  72     *retval = 0;
  73     rv = insert(dbMgr, 100, false);
  74     if (rv == OK) { printf("Test Failed:second thread inserted\n"); *retval = 1; }
  75     conn.commit();
  76     conn.close();
  77     pthread_exit(retval);
  78 }
  79