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#include <stdlib.h>
#include <string.h>
exec sql include ../regression;
exec sql include sqlda.h;
exec sql whenever sqlerror stop;
sqlda_t *sqlda1, *sqlda2, *sqlda3;
int
main (void)
{
exec sql begin declare section;
char *stmt1 = "SELECT id, t FROM descr_t2";
char *stmt2 = "SELECT id, t FROM descr_t2 WHERE id = -1";
int i, count1, count2;
char field_name1[30] = "not set";
char field_name2[30] = "not set";
exec sql end declare section;
char msg[128];
ECPGdebug(1, stderr);
strcpy(msg, "connect");
exec sql connect to REGRESSDB1;
strcpy(msg, "set");
exec sql set datestyle to iso;
strcpy(msg, "create");
exec sql create table descr_t2(id serial primary key, t text);
strcpy(msg, "insert");
exec sql insert into descr_t2(id, t) values (default, 'a');
exec sql insert into descr_t2(id, t) values (default, 'b');
exec sql insert into descr_t2(id, t) values (default, 'c');
exec sql insert into descr_t2(id, t) values (default, 'd');
strcpy(msg, "commit");
exec sql commit;
/*
* Test DESCRIBE with a query producing tuples.
* DESCRIPTOR and SQL DESCRIPTOR are NOT the same in
* Informix-compat mode.
*/
strcpy(msg, "allocate");
exec sql allocate descriptor desc1;
exec sql allocate descriptor desc2;
strcpy(msg, "prepare");
exec sql prepare st_id1 FROM :stmt1;
sqlda1 = sqlda2 = sqlda3 = NULL;
strcpy(msg, "describe");
exec sql describe st_id1 into sql descriptor desc1;
exec sql describe st_id1 using sql descriptor desc2;
exec sql describe st_id1 into descriptor sqlda1;
exec sql describe st_id1 using descriptor sqlda2;
exec sql describe st_id1 into sqlda3;
if (sqlda1 == NULL)
{
printf("sqlda1 NULL\n");
exit(1);
}
if (sqlda2 == NULL)
{
printf("sqlda2 NULL\n");
exit(1);
}
if (sqlda3 == NULL)
{
printf("sqlda3 NULL\n");
exit(1);
}
strcpy(msg, "get descriptor");
exec sql get descriptor desc1 :count1 = count;
exec sql get descriptor desc1 :count2 = count;
if (count1 != count2)
{
printf("count1 (%d) != count2 (%d)\n", count1, count2);
exit(1);
}
if (count1 != sqlda1->sqld)
{
printf("count1 (%d) != sqlda1->sqld (%d)\n", count1, sqlda1->sqld);
exit(1);
}
if (count1 != sqlda2->sqld)
{
printf("count1 (%d) != sqlda2->sqld (%d)\n", count1, sqlda2->sqld);
exit(1);
}
if (count1 != sqlda3->sqld)
{
printf("count1 (%d) != sqlda3->sqld (%d)\n", count1, sqlda3->sqld);
exit(1);
}
for (i = 1; i <= count1; i++)
{
exec sql get descriptor desc1 value :i :field_name1 = name;
exec sql get descriptor desc2 value :i :field_name2 = name;
printf("%d\n\tfield_name1 '%s'\n\tfield_name2 '%s'\n\t"
"sqlda1 '%s'\n\tsqlda2 '%s'\n\tsqlda3 '%s'\n",
i, field_name1, field_name2,
sqlda1->sqlvar[i-1].sqlname.data,
sqlda2->sqlvar[i-1].sqlname.data,
sqlda3->sqlvar[i-1].sqlname.data);
}
strcpy(msg, "deallocate");
exec sql deallocate descriptor desc1;
exec sql deallocate descriptor desc2;
free(sqlda1);
free(sqlda2);
free(sqlda3);
exec sql deallocate prepare st_id1;
/* Test DESCRIBE with a query not producing tuples */
strcpy(msg, "allocate");
exec sql allocate descriptor desc1;
exec sql allocate descriptor desc2;
strcpy(msg, "prepare");
exec sql prepare st_id2 FROM :stmt2;
sqlda1 = sqlda2 = sqlda3 = NULL;
strcpy(msg, "describe");
exec sql describe st_id2 into sql descriptor desc1;
exec sql describe st_id2 using sql descriptor desc2;
exec sql describe st_id2 into descriptor sqlda1;
exec sql describe st_id2 using descriptor sqlda2;
exec sql describe st_id2 into sqlda3;
if (sqlda1 == NULL || sqlda2 == NULL || sqlda3 == NULL)
exit(1);
strcpy(msg, "get descriptor");
exec sql get descriptor desc1 :count1 = count;
exec sql get descriptor desc1 :count2 = count;
if (!( count1 == count2 &&
count1 == sqlda1->sqld &&
count1 == sqlda2->sqld &&
count1 == sqlda3->sqld))
exit(1);
for (i = 1; i <= count1; i++)
{
exec sql get descriptor desc1 value :i :field_name1 = name;
exec sql get descriptor desc2 value :i :field_name2 = name;
printf("%d\n\tfield_name1 '%s'\n\tfield_name2 '%s'\n\t"
"sqlda1 '%s'\n\tsqlda2 '%s'\n\tsqlda3 '%s'\n",
i, field_name1, field_name2,
sqlda1->sqlvar[i-1].sqlname.data,
sqlda2->sqlvar[i-1].sqlname.data,
sqlda3->sqlvar[i-1].sqlname.data);
}
strcpy(msg, "deallocate");
exec sql deallocate descriptor desc1;
exec sql deallocate descriptor desc2;
free(sqlda1);
free(sqlda2);
free(sqlda3);
exec sql deallocate prepare st_id2;
/* End test */
strcpy(msg, "drop");
exec sql drop table descr_t2;
strcpy(msg, "commit");
exec sql commit;
strcpy(msg, "disconnect");
exec sql disconnect;
return 0;
}
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