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/*
* testlibpq4.cc
* Test the C++ version of LIBPQ, the POSTGRES frontend library.
* tests the copy in features
*
*/
#include <stdio.h>
#include "libpq++.H"
#define DEBUG printf("Got here %d\n", __LINE__);
main()
{
char* dbName;
int nFields;
int i,j;
/* begin, by creating the parameter environment for a backend
connection. When no parameters are given then the system will
try to use reasonable defaults by looking up environment variables
or, failing that, using hardwired constants */
PGenv env;
PGdatabase* data;
dbName = getenv("USER"); /* change this to the name of your test database */
/* make a connection to the database */
data = new PGdatabase(&env, dbName);
/* check to see that the backend connection was successfully made */
if (data->status() == CONNECTION_BAD) {
fprintf(stderr,"Connection to database '%s' failed.\n", dbName);
fprintf(stderr,"%s",data->errormessage());
delete data;
exit(1);
}
/* start a transaction block */
if(data->exec("BEGIN") != PGRES_COMMAND_OK) {
fprintf(stderr,"BEGIN command failed\n");
delete data;
exit(1);
}
if (data->exec("CREATE TABLE foo (a int4, b char16, d float8)") !=
PGRES_COMMAND_OK) {
fprintf(stderr,"CREATE TABLE foo command failed\n");
delete data;
exit(1);
}
if (data->exec("COPY foo FROM STDIN") != PGRES_COMMAND_OK) {
fprintf(stderr,"COPY foo FROM STDIN\n");
delete data;
exit(1);
}
data->putline("3\thello world\t4.5\n");
data->putline("4\tgoodbye word\t7.11\n");
data->putline(".\n");
data->endcopy();
data->exec("SELECT * FROM foo");
data->printtuples(stdout,1,"|",1,0);
data->exec("DROP TABLE foo");
// end the transaction
data->exec("END");
// close the connection to the database and cleanup
delete data;
}
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