Revise pgsql test files

ext/pgsql/tests/00version.phpt

@@ -12,6 +12,9 @@ $db = pg_connect($conn_str);
 var_dump(pg_version($db));
 pg_close($db);
 
+// Get environment vars for debugging
+var_dump(serialize($_ENV));
+
 echo "OK";
 ?>
 --EXPECTF--
@@ -23,4 +26,5 @@ array(3) {
   ["server"]=>
   string(%d) "%s"
 }
+string(%d) "%s"
 OK

ext/pgsql/tests/config.inc

@@ -2,8 +2,10 @@
 // These vars are used to connect db and create test table.
 // values can be set to meet your environment
 
+// "test" database must be existed. i.e. "createdb test" before testing
+// PostgreSQL uses login name as username, user must have access to "test" database.
 $conn_str = "host=localhost dbname=test port=5432";    // connection string
-$table_name = "php_pgsql_test";  // test table that should be exist
+$table_name = "php_pgsql_test";  // test table that will be created
 $num_test_record = 1000;         // Number of records to create
 
 $table_def = "CREATE TABLE php_pgsql_test (num int, str text, bin bytea);"; // Test table