Examples with FilteredCatalogDiffEngine org.voltdb.catalog.FilteredCatalogDiffEngine used on opensource projects

Example 1 with FilteredCatalogDiffEngine

use of org.voltdb.catalog.FilteredCatalogDiffEngine in project voltdb by VoltDB.

the class VoltCompiler method debugVerifyCatalog.

/**
     * Internal method that takes the generated DDL from the catalog and builds a new catalog.
     * The generated catalog is diffed with the original catalog to verify compilation and
     * catalog generation consistency.
     */
private void debugVerifyCatalog(InMemoryJarfile origJarFile, Catalog origCatalog) {
    final VoltCompiler autoGenCompiler = new VoltCompiler(m_isXDCR);
    // Make the new compiler use the original jarfile's classloader so it can
    // pull in the class files for procedures and imports
    autoGenCompiler.m_classLoader = origJarFile.getLoader();
    List<VoltCompilerReader> autogenReaderList = new ArrayList<>(1);
    autogenReaderList.add(new VoltCompilerJarFileReader(origJarFile, AUTOGEN_DDL_FILE_NAME));
    InMemoryJarfile autoGenJarOutput = new InMemoryJarfile();
    autoGenCompiler.m_currentFilename = AUTOGEN_DDL_FILE_NAME;
    // This call is purposely replicated in retryFailedCatalogRebuildUnderDebug,
    // where it provides an opportunity to set a breakpoint on a do-over when this
    // mainline call produces a flawed catalog that fails the catalog diff.
    // Keep the two calls in synch to allow debugging under the same exact conditions.
    Catalog autoGenCatalog = autoGenCompiler.compileCatalogInternal(null, null, autogenReaderList, autoGenJarOutput);
    if (autoGenCatalog == null) {
        Log.info("Did not verify catalog because it could not be compiled.");
        return;
    }
    FilteredCatalogDiffEngine diffEng = new FilteredCatalogDiffEngine(origCatalog, autoGenCatalog, false);
    String diffCmds = diffEng.commands();
    if (diffCmds != null && !diffCmds.equals("")) {
        // that is only triggered in hopeless cases.
        if (RETRY_FAILED_CATALOG_REBUILD_UNDER_DEBUG) {
            autoGenCatalog = replayFailedCatalogRebuildUnderDebug(autoGenCompiler, autogenReaderList, autoGenJarOutput);
        }
        // Re-run a failed diff more verbosely as a pre-crash test diagnostic.
        diffEng = new FilteredCatalogDiffEngine(origCatalog, autoGenCatalog, true);
        diffCmds = diffEng.commands();
        String crashAdvice = "Catalog Verification from Generated DDL failed! " + "VoltDB dev: Consider" + (RETRY_FAILED_CATALOG_REBUILD_UNDER_DEBUG ? "" : " setting VoltCompiler.RETRY_FAILED_CATALOG_REBUILD_UNDER_DEBUG = true and") + " setting a breakpoint in VoltCompiler.replayFailedCatalogRebuildUnderDebug" + " to debug a replay of the faulty catalog rebuild roundtrip. ";
        VoltDB.crashLocalVoltDB(crashAdvice + "The offending diffcmds were: " + diffCmds);
    } else {
        Log.info("Catalog verification completed successfuly.");
    }
}