Merge pull request #3514 from vegansk/3513_pgsql_prepstat

Fixed issue 3513: wrong setupQuery realization

tests/untestable/tpostgres.nim

@@ -9,5 +9,7 @@ let name = "Dom"
 db.exec(sql"INSERT INTO myTable (id, name) VALUES (0, ?)",
         name)
 doAssert db.getValue(sql"SELECT name FROM myTable") == name
+# Check issue #3513
+doAssert db.getValue(sql"SELECT name FROM myTable") == name
 
-db.close()
+db.close()