test/dbapi/Table/insertnulltest5.c

   1 #include<CSql.h>
   2 int main()
   3 {
   4     Connection conn;
   5     DbRetVal rv = conn.open("root", "manager");
   6     if (rv != OK) return 1;
   7     DatabaseManager *dbMgr = conn.getDatabaseManager();
   8     if (dbMgr == NULL) { printf("Auth failed\n"); return 2;}
   9
  10     TableDef tabDef;
  11     tabDef.addField("f1", typeInt, 0, NULL, true);//NOT NULL
  12     tabDef.addField("f2", typeInt, 0, NULL, false);
  13     tabDef.addField("f3", typeString, 20);//Bydefault 'NOT NULL' is false
  14     rv = dbMgr->createTable("t1", tabDef);
  15     if (rv != OK) { printf("Table creation failed\n"); conn.close(); return 3; }
  16     printf("Table created\n");
  17
  18     Table *table = dbMgr->openTable("t1");
  19     if (table == NULL)
  20     {
  21         printf("Unable to open table\n");
  22         dbMgr->dropTable("t1");
  23         conn.close();
  24         return -1;
  25     }
  26     int id1 = 0, id2 = 5;
  27     char name[20] = "PRAVEEN";
  28     table->bindFld("f1", &id1);
  29     table->bindFld("f2", &id2);
  30     table->bindFld("f3", name);
  31     int icount =0;
  32     for (int i = 0 ; i < 5 ; i++)
  33     {
  34         conn.startTransaction();
  35         id1= i;
  36         if (i%2 == 0) table->markFldNull("f3");
  37         rv = table->insertTuple();
  38         if (rv != OK) break;
  39         if (i%2 == 0) table->clearFldNull("f3");
  40         icount++;
  41         conn.commit();
  42
  43     }
  44     printf("Tuples inserted in 1/txn is %d\n", icount);
  45     table->setCondition(NULL);
  46     rv = table->execute();
  47     if (rv != OK)
  48     {
  49        dbMgr->closeTable(table);
  50        dbMgr->dropTable("t1");
  51        conn.close();
  52     }
  53     table->bindFld("f2", &id2);
  54     void *tuple = NULL;
  55     while(true)
  56     {
  57         tuple = (char*)table->fetch() ;
  58         if (tuple == NULL) {break;}
  59         if (table->isFldNull(1)) printf("Column 1 is null\n");
  60         if (table->isFldNull(2)) printf("Column 2 is null\n");
  61         if (table->isFldNull(3)) printf("Column 3 is null\n");
  62         printf("Binded Tuple value is %d %d %s \n", id1, id2, name);
  63
  64     }
  65     table->closeScan();
  66     dbMgr->closeTable(table);
  67     dbMgr->dropTable("t1");
  68     conn.close();
  69     return 0;
  70 }