Line data    Source code

       1              : #include <stdio.h>
       2              : #include <stdlib.h>
       3              : #include <string.h>
       4              : 
       5              : /* test automatic prepare for all statements */
       6              : EXEC SQL INCLUDE ../regression;
       7              : 
       8            4 : static void test(void) {
       9              :   EXEC SQL BEGIN DECLARE SECTION;
      10            4 :     int item[4], ind[4], i = 1;
      11              :     int item1, ind1;
      12            4 :     char sqlstr[64] = "SELECT item2 FROM T ORDER BY item2 NULLS LAST";
      13              :   EXEC SQL END DECLARE SECTION;
      14              : 
      15            4 :   ECPGdebug(1, stderr);
      16            4 :   EXEC SQL CONNECT TO REGRESSDB1;
      17              : 
      18              :   EXEC SQL WHENEVER SQLWARNING SQLPRINT;
      19              :   EXEC SQL WHENEVER SQLERROR SQLPRINT;
      20              : 
      21            4 :   EXEC SQL CREATE TABLE T ( Item1 int, Item2 int );
      22            4 : 
      23            4 :   EXEC SQL INSERT INTO T VALUES ( 1, null );
      24            4 :   EXEC SQL INSERT INTO T VALUES ( 1, :i );
      25            4 :   i++;
      26            4 :   EXEC SQL INSERT INTO T VALUES ( 1, :i );
      27            4 :   EXEC SQL PREPARE I AS INSERT INTO T VALUES ( 1, 2 );
      28            4 :   EXEC SQL EXECUTE I;
      29            4 : 
      30            4 :   EXEC SQL SELECT Item2 INTO :item:ind FROM T ORDER BY Item2 NULLS LAST;
      31            4 : 
      32           20 :   for (i=0; i<4; i++)
      33           16 :     printf("item[%d] = %d\n", i, ind[i] ? -1 : item[i]);
      34              : 
      35              :   EXEC SQL DECLARE C CURSOR FOR SELECT Item1 FROM T;
      36              : 
      37            4 :   EXEC SQL OPEN C;
      38            4 : 
      39            4 :   EXEC SQL FETCH 1 IN C INTO :i;
      40            4 :   printf("i = %d\n", i);
      41              : 
      42            4 :   EXEC SQL CLOSE C;
      43            4 : 
      44            4 :   EXEC SQL PREPARE stmt1 FROM :sqlstr;
      45            4 : 
      46              :   EXEC SQL DECLARE cur1 CURSOR FOR stmt1;
      47              : 
      48            4 :   EXEC SQL OPEN cur1;
      49            4 : 
      50              :   EXEC SQL WHENEVER NOT FOUND DO BREAK;
      51              : 
      52            4 :   i = 0;
      53           20 :   while (i < 100)
      54              :   {
      55           20 :     EXEC SQL FETCH cur1 INTO :item1:ind1;
      56           20 :     printf("item[%d] = %d\n", i, ind1 ? -1 : item1);
      57           16 :     i++;
      58              :   }
      59              : 
      60            4 :   EXEC SQL CLOSE cur1;
      61            4 : 
      62            4 :   EXEC SQL DROP TABLE T;
      63            4 : 
      64            4 :   EXEC SQL DISCONNECT ALL;
      65            4 : }
      66              : 
      67            2 : int main() {
      68            2 :   test();
      69            2 :   test();     /* retry */
      70              : 
      71            2 :   return 0;
      72              : }