postgresql/contrib/pginterface/pgnulltest.c

/*
 * insert.c
 *
*/

/*#define TEST_NON_NULLS*/

#include <stdio.h>
#include <signal.h>
#include <time.h>
#include <libpq-fe.h>
#include "halt.h"
#include "pginterface.h"

int main(int argc, char **argv)
{
	char query[4000];
	int row =1;
	int aint;
	float afloat;
	double adouble;
	char achar[11], achar16[17], abpchar[11], avarchar[51], atext[51];
	time_t aabstime;
	int		aint_null,
			afloat_null,
			adouble_null,
			achar_null,
			achar16_null,
			abpchar_null,
			avarchar_null,
			atext_null,
			aabstime_null;

	if (argc != 2)
		halt("Usage:  %s database\n",argv[0]);

	connectdb(argv[1],NULL,NULL,NULL,NULL);

	on_error_continue();
	doquery("DROP TABLE testfetch");
	on_error_stop();

	doquery("\
        CREATE TABLE testfetch( \
            aint    int4, \
            afloat  float4, \
            adouble float8, \
            achar   char, \
            achar16 char16, \
            abpchar char(10), \
            avarchar varchar(50), \
            atext   text, \
            aabstime abstime) \
        ");

#ifdef TEST_NON_NULLS
	sprintf(query,"INSERT INTO testfetch VALUES ( \
            0, \
			0, \
			0, \
			'', \
			'', \
			'', \
			'', \
			'', \
			'');");
#else
	sprintf(query,"INSERT INTO testfetch VALUES ( \
            NULL, \
			NULL, \
			NULL, \
			NULL, \
			NULL, \
			NULL, \
			NULL, \
			NULL, \
			NULL);");
#endif
	doquery(query);

	doquery("BEGIN WORK");
	doquery("DECLARE c_testfetch BINARY CURSOR FOR \
                    SELECT * FROM testfetch");

	doquery("FETCH ALL IN c_testfetch");

	if (fetch(
		&aint,
		&afloat,
		&adouble,
		achar,
		achar16,
		abpchar,
		avarchar,
		atext,
		&aabstime) != END_OF_TUPLES)
			printf("int %d\nfloat %f\ndouble %f\nchar %s\nchar16 %s\n\
bpchar %s\nvarchar %s\ntext %s\nabstime %s\n",
			aint,
			afloat,
			adouble,
			achar,
			achar16,
			abpchar,
			avarchar,
			atext,
			ctime(&aabstime));
	if (fetchisnull(
		&aint_null,
		&afloat_null,
		&adouble_null,
		&achar_null,
		&achar16_null,
		&abpchar_null,
		&avarchar_null,
		&atext_null,
		&aabstime_null) != END_OF_TUPLES)
			printf("NULL:\nint %d\nfloat %d\ndouble %d\nchar %d\nchar16 %d\n\
bpchar %d\nvarchar %d\ntext %d\nabstime %d\n",
			aint_null,
			afloat_null,
			adouble_null,
			achar_null,
			achar16_null,
			abpchar_null,
			avarchar_null,
			atext_null,
			aabstime_null);


	doquery("CLOSE c_testfetch");
	doquery("COMMIT WORK");
	printf("--- 1 row inserted\n");

	row++;

	disconnectdb();
	return 0;
}