List<VoltCompilerReader> autogenReaderList = new ArrayList<VoltCompilerReader>(1);
autogenReaderList.add(new VoltCompilerJarFileReader(origJarFile, AUTOGEN_DDL_FILE_NAME));
DatabaseType autoGenDatabase = getProjectDatabase(null);
InMemoryJarfile autoGenJarOutput = new InMemoryJarfile();
autoGenCompiler.m_currentFilename = AUTOGEN_DDL_FILE_NAME;
Catalog autoGenCatalog = autoGenCompiler.compileCatalogInternal(autoGenDatabase,
autogenReaderList, autoGenJarOutput);
FilteredCatalogDiffEngine diffEng = new FilteredCatalogDiffEngine(origCatalog, autoGenCatalog);
String diffCmds = diffEng.commands();
if (diffCmds != null && !diffCmds.equals("")) {
VoltDB.crashLocalVoltDB("Catalog Verification from Generated DDL failed!");