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