Package liquibase.diff

Examples of liquibase.diff.DiffResult

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        final CatalogAndSchema[] compareControlSchemas = compareControl.getSchemas(CompareControl.DatabaseRole.REFERENCE);

        try {
            final DatabaseSnapshot referenceSnapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(compareControlSchemas, database, snapshotControl);
            final DatabaseSnapshot comparisonSnapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(compareControlSchemas, null, snapshotControl);
            final DiffResult diffResult = DiffGeneratorFactory.getInstance().compare(referenceSnapshot, comparisonSnapshot, compareControl);

            changeLogWriter.setDiffResult(diffResult);
            changeLogWriter.print(outputStream);
        } catch (InvalidExampleException e) {
            throw new UnexpectedLiquibaseException(e);
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public class DiffToChangeLogTest {

    @Test
    public void getOrderedOutputTypes_isConsistant() throws Exception {
        MySQLDatabase database = new MySQLDatabase();
        DiffToChangeLog obj = new DiffToChangeLog(new DiffResult(new EmptyDatabaseSnapshot(database), new EmptyDatabaseSnapshot(database), new CompareControl()), null);

        for (Class<? extends ChangeGenerator> type : new Class[] {UnexpectedObjectChangeGenerator.class, MissingObjectChangeGenerator.class, ChangedObjectChangeGenerator.class}) {
            List<Class<? extends DatabaseObject>> orderedOutputTypes = obj.getOrderedOutputTypes(type);
            for (int i=0; i<50; i++) {
                assertThat("Error checking "+type.getName(), orderedOutputTypes, contains(obj.getOrderedOutputTypes(type).toArray()));
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        return this;
    }

    @Override
    protected Object run() throws Exception {
        DiffResult diffResult = createDiffResult();

        PrintStream outputStream = this.getOutputStream();
        if (outputStream == null) {
            outputStream = System.out;
        }
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        //        compareControl.addStatusListener(new OutDiffStatusListener());

        DatabaseSnapshot originalDatabaseSnapshot = null;
        try {
            originalDatabaseSnapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(compareControl.getSchemas(CompareControl.DatabaseRole.REFERENCE), getDatabase(), snapshotControl);
            DiffResult diffResult = DiffGeneratorFactory.getInstance().compare(originalDatabaseSnapshot, SnapshotGeneratorFactory.getInstance().createSnapshot(compareControl.getSchemas(CompareControl.DatabaseRole.REFERENCE), null, snapshotControl), compareControl);

            changeLogWriter.setDiffResult(diffResult);

            if(changeLogSerializer != null) {
                changeLogWriter.print(outputStream, changeLogSerializer);
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    @Override
    public void executeWithLiquibaseClassloader() throws BuildException {
        PrintStream printStream = null;
        try {
            printStream = new PrintStream(outputFile.getOutputStream(), true, getOutputEncoding());
            DiffResult diffResult = getDiffResult();
            DiffToReport diffReport = new DiffToReport(diffResult, printStream);
            log("Writing diff report " + outputFile.toString(), Project.MSG_INFO);
            diffReport.print();
        } catch (DatabaseException e) {
            throw new BuildException("Unable to make diff report.", e);
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        return this;
    }

    @Override
    protected Object run() throws Exception {
        DiffResult diffResult = createDiffResult();

        new DiffToReport(diffResult, outputStream).print();

        return null;
    }
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        return this;
    }

    @Override
    protected Object run() throws Exception {
        DiffResult diffResult = createDiffResult();

        DiffToChangeLog changeLogWriter = new DiffToChangeLog(diffResult, getDiffOutputControl());

        changeLogWriter.setChangeSetAuthor(author);
        changeLogWriter.setChangeSetContext(context);
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            String encoding = getOutputEncoding(changeLogOutputFile);
            try {
                FileResource outputFile = changeLogOutputFile.getOutputFile();
                ChangeLogSerializer changeLogSerializer = changeLogOutputFile.getChangeLogSerializer();
                printStream = new PrintStream(outputFile.getOutputStream(), true, encoding);
                DiffResult diffResult = getDiffResult();
                DiffOutputControl diffOutputControl = getDiffOutputControl();
                DiffToChangeLog diffToChangeLog = new DiffToChangeLog(diffResult, diffOutputControl);
                diffToChangeLog.print(printStream, changeLogSerializer);
            } catch (UnsupportedEncodingException e) {
                throw new BuildException("Unable to diff databases to change log file. Encoding [" + encoding + "] is not supported.", e);
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            } catch (LiquibaseException e) {
                throw new UnexpectedLiquibaseException(e);
            }

          final long changeSetStarted = System.currentTimeMillis();
          DiffResult diffResult = DiffGeneratorFactory.getInstance().compare(new EmptyDatabaseSnapshot(this), snapshot, new CompareControl(snapshot.getSnapshotControl().getTypesToInclude()));
            List<ChangeSet> changeSets = new DiffToChangeLog(diffResult, new DiffOutputControl(true, true, false).addIncludedSchema(schemaToDrop)).generateChangeSets();
          LogFactory.getLogger().debug(String.format("ChangeSet to Remove Database Objects generated in %d ms.", System.currentTimeMillis() - changeSetStarted));

            final boolean reEnableFK = supportsForeignKeyDisable() && disableForeignKeyChecks();
            try {
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        Database hibernateDatabase = new HibernateClassicDatabase();
//        hibernateDatabase.setDefaultSchemaName("PUBLIC");
//        hibernateDatabase.setDefaultCatalogName("TESTDB");
        hibernateDatabase.setConnection(new JdbcConnection(new HibernateConnection("hibernate:classic:" + HIBERNATE_CONFIG_FILE)));

        DiffResult diffResult = liquibase.diff(hibernateDatabase, database, compareControl);

        assertTrue(diffResult.getMissingObjects().size() > 0);

        File outFile = File.createTempFile("lb-test", ".xml");
        OutputStream outChangeLog = new FileOutputStream(outFile);
        String changeLogString = toChangeLog(diffResult);
        outChangeLog.write(changeLogString.getBytes("UTF-8"));
        outChangeLog.close();

        log.info("Changelog:\n" + changeLogString);

        liquibase = new Liquibase(outFile.toString(), new FileSystemResourceAccessor(), database);
        StringWriter stringWriter = new StringWriter();
        liquibase.update((String) null, stringWriter);
        log.info(stringWriter.toString());
        liquibase.update((String) null);

        diffResult = liquibase.diff(hibernateDatabase, database, compareControl);

        ignoreDatabaseChangeLogTable(diffResult);
        ignoreConversionFromFloatToDouble64(diffResult);

        String differences = toString(diffResult);

        assertEquals(differences, 0, diffResult.getMissingObjects().size());
        assertEquals(differences, 0, diffResult.getUnexpectedObjects().size());
//        assertEquals(differences, 0, diffResult.getChangedObjects().size());  //unimportant differences in schema name and datatypes causing test to fail

    }
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Related Classes of liquibase.diff.DiffResult

  • io.dropwizard.migrations.DbDumpCommand
  • liquibase.command.DiffCommand
  • liquibase.command.DiffToChangeLogCommand
  • liquibase.command.GenerateChangeLogCommand
  • liquibase.database.AbstractJdbcDatabase
  • liquibase.database.Database
  • liquibase.dbtest.AbstractIntegrationTest
  • liquibase.dbtest.h2.H2IntegrationTest
  • liquibase.diff.compare.DatabaseObjectComparatorFactory
  • liquibase.diff.output.changelog.DiffToChangeLogTest
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