docs: protected static InMemoryJarfile addDDLToCatalog(Catalog oldCatalog, InMemoryJarfile jarfile, String[] adhocDDLStmts, boolean isXDCR)
      throws IOException, VoltCompilerException
      {
          StringBuilder sb = new StringBuilder();
          compilerLog.info("Applying the following DDL to cluster:");
          for (String stmt : adhocDDLStmts) {
              compilerLog.info("\t" + stmt);
              sb.append(stmt);
              sb.append(";\n");
          }
          String newDDL = sb.toString();
          compilerLog.trace("Adhoc-modified DDL:\n" + newDDL);
  
          VoltCompiler compiler = new VoltCompiler(isXDCR);
          compiler.compileInMemoryJarfileWithNewDDL(jarfile, newDDL, oldCatalog);
          return jarfile;
      }