code: public static String caseIdentifier(TableLocation requestedTable, String tableName, boolean isH2) {
          return new TableLocation(requestedTable.getCatalog(), requestedTable.getSchema(),
                  TableLocation.parse(tableName, isH2).getTable()).toString();
      }
docs: Return the table identifier in the best fit depending on database type
  
  @param requestedTable Catalog and schema used
  @param tableName Table without quotes
  @param isH2 True if H2, false if PostGRES
  
  @return Find table identifier