Postgres95 1.01 Distribution - Virgin Sources

src/interfaces/libpq++/examples/testlibpq4.cc

@@ -0,0 +1,69 @@
+/*
+ * 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;
+}