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/*
* testlibpq4.cc
* Test the C++ version of LIBPQ, the POSTGRES frontend library.
* tests the copy in features
*
*/
#include <iostream.h>
#include <libpq++.h>
#include <stdlib.h>
main()
{
// Begin, by connecting to the backend using hardwired constants
// and a test database created by the user prior to the invokation
// of this test program. Connect using transaction interface.
char* dbName = getenv("USER"); // change this to the name of your test database
PgTransaction data(dbName);
// check to see that the backend connection was successfully made
if ( data.ConnectionBad() ) {
cerr << "Connection to database '" << dbName << "' failed." << endl
<< data.ErrorMessage();
exit(1);
}
else cout << "Connected to database '" << dbName << "'..." << endl;
// Create a new table
if ( !data.ExecCommandOk("CREATE TABLE foo (a int4, b char16, d float8)") ) {
cerr << "CREATE TABLE foo command failed" << endl;
exit(1);
}
else cout << "CREATEd TABLE foo successfully.." << endl;
// Initiate Copy command
if ( data.ExecCommandOk("COPY foo FROM STDIN") ) {
cerr << "COPY foo FROM STDIN" << endl;
exit(1);
}
else cout << "COPY foo FROM STDIN was successful.." << endl;
// Put some test data into the table
data.PutLine("3\thello world\t4.5\n");
cout << "Line: \"3\thello world\t4.5\" copied..." << endl;
data.PutLine("4\tgoodbye word\t7.11\n");
cout << "Line: \"4\tgoodbye word\t7.11\" copied..." << endl;
data.PutLine("\\.\n");
cout << "Line: \"\\.\" copied..." << endl;
if ( !data.EndCopy() )
cout << "Ended COPY succesfully..." << endl;
else cerr << "End Copy failed..." << endl;
// Print the data that was inserted into the table
if ( data.ExecTuplesOk("SELECT * FROM foo") )
data.PrintTuples();
else cerr << "SELECT * FROM foo failed..." << endl;
// Drop the test table
data.Exec("DROP TABLE foo");
}
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