diff options
Diffstat (limited to 'src/interfaces/libpq++/examples/testlibpq3.cc')
-rw-r--r-- | src/interfaces/libpq++/examples/testlibpq3.cc | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/src/interfaces/libpq++/examples/testlibpq3.cc b/src/interfaces/libpq++/examples/testlibpq3.cc deleted file mode 100644 index da0c48df354..00000000000 --- a/src/interfaces/libpq++/examples/testlibpq3.cc +++ /dev/null @@ -1,57 +0,0 @@ -/* - * testlibpq3.cc - * Test the C++ version of LIBPQ, the POSTGRES frontend library. - * - * queries the template1 database for a list of database names using transaction block - * and cursor interface. - * - */ - -#include <iostream.h> -#include <iomanip.h> -#include "libpq++.h" - -int main() -{ - // Begin, by establishing a connection to the backend. - // 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. - // Create a cursor database query object. - // All queries using cursor will be performed through this object. - const char* dbName = "dbname=template1"; - PgCursor cData(dbName, "myportal"); - - // check to see that the backend connection was successfully made - if ( cData.ConnectionBad() ) { - cerr << "Connection to database '" << dbName << "' failed." << endl - << "Error returned: " << cData.ErrorMessage() << endl; - exit(1); - } - - // submit command to the backend - if ( !cData.Declare("select * from pg_database") ) { - cerr << "DECLARE CURSOR command failed" << endl; - exit(1); - } - - // fetch instances from the pg_cDatabase, the system catalog of cDatabases - if ( !cData.Fetch() ) { - cerr << "FETCH ALL command didn't return tuples properly" << endl; - exit(1); - } - - // first, print out the attribute names - int nFields = cData.Fields(); - for (int i=0; i < nFields; i++) - cout << setiosflags(ios::right) << setw(15) << cData.FieldName(i); - cout << endl << endl; - - // next, print out the instances - for (int i=0; i < cData.Tuples(); i++) { - for (int j=0; j < nFields; j++) - cout << setiosflags(ios::right) << setw(15) << cData.GetValue(i,j); - cout << endl; - } - return 0; -} |