Package org.apache.hcatalog.hbase.snapshot

Examples of org.apache.hcatalog.hbase.snapshot.TableSnapshot

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        job.setNumReduceTasks(0);

        assertTrue(job.waitForCompletion(true));
        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(databaseName + "." + tableName);
            for (String el : snapshot.getColumnFamilies()) {
                assertEquals(1, snapshot.getRevision(el));
            }
        } finally {
            rm.close();
        }
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        assertFalse(job.waitForCompletion(true));

        // verify that revision manager has it as aborted transaction
        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(databaseName + "." + tableName);
            for (String family : snapshot.getColumnFamilies()) {
                assertEquals(1, snapshot.getRevision(family));
                List<FamilyRevision> abortedWriteTransactions = rm.getAbortedWriteTransactions(
                    databaseName + "." + tableName, family);
                assertEquals(1, abortedWriteTransactions.size());
                assertEquals(1, abortedWriteTransactions.get(0).getRevision());
            }
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        InputJobInfo inputInfo = (InputJobInfo) HCatUtil.deserialize(modifiedInputInfo);

        Map<String, Long> revMap = new HashMap<String, Long>();
        revMap.put("cf1", 3L);
        revMap.put("cf2", 5L);
        TableSnapshot hbaseSnapshot = new TableSnapshot(fullyQualTableName, revMap, -1);
        HCatTableSnapshot hcatSnapshot = HBaseRevisionManagerUtil.convertSnapshot(hbaseSnapshot, inputInfo.getTableInfo());

        assertEquals(hcatSnapshot.getRevision("value1"), 3);
        assertEquals(hcatSnapshot.getRevision("value2"), 5);

        String dropTable = "DROP TABLE " + fullyQualTableName;
        cmdResponse = hcatDriver.run(dropTable);
        assertEquals(0, cmdResponse.getResponseCode());

        tableName = newTableName("mytableTwo");
        fullyQualTableName = databaseName + "." + tableName;
        tableQuery = "CREATE TABLE " + fullyQualTableName
            + "(key string, value1 string, value2 string) STORED BY " +
            "'org.apache.hcatalog.hbase.HBaseHCatStorageHandler'"
            + "TBLPROPERTIES ('hbase.columns.mapping'=':key,cf1:q1,cf1:q2')";
        cmdResponse = hcatDriver.run(tableQuery);
        assertEquals(0, cmdResponse.getResponseCode());
        revMap.clear();
        revMap.put("cf1", 3L);
        hbaseSnapshot = new TableSnapshot(fullyQualTableName, revMap, -1);
        HCatInputFormat.setInput(job, databaseName, tableName).setProperties(properties);
        modifiedInputInfo = job.getConfiguration().get(HCatConstants.HCAT_KEY_JOB_INFO);
        inputInfo = (InputJobInfo) HCatUtil.deserialize(modifiedInputInfo);
        hcatSnapshot = HBaseRevisionManagerUtil.convertSnapshot(hbaseSnapshot, inputInfo.getTableInfo());
        assertEquals(hcatSnapshot.getRevision("value1"), 3);
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        inputInfo = (InputJobInfo) HCatUtil.deserialize(modifiedInputInfo);

        Map<String, Long> revMap = new HashMap<String, Long>();
        revMap.put("cf1", 3L);
        revMap.put("cf2", 5L);
        TableSnapshot hbaseSnapshot = new TableSnapshot(fullyQualTableName, revMap,-1);
        HCatTableSnapshot hcatSnapshot = HBaseRevisionManagerUtil.convertSnapshot(hbaseSnapshot, inputInfo.getTableInfo());

        assertEquals(hcatSnapshot.getRevision("value1"), 3);
        assertEquals(hcatSnapshot.getRevision("value2"), 5);

        String dropTable = "DROP TABLE " + fullyQualTableName;
        cmdResponse = hcatDriver.run(dropTable);
        assertEquals(0, cmdResponse.getResponseCode());

        tableName = newTableName("mytableTwo");
        fullyQualTableName = databaseName + "." + tableName;
        tableQuery = "CREATE TABLE " + fullyQualTableName
        + "(key string, value1 string, value2 string) STORED BY " +
        "'org.apache.hcatalog.hbase.HBaseHCatStorageHandler'"
        + "TBLPROPERTIES ('hbase.columns.mapping'=':key,cf1:q1,cf1:q2')" ;
        cmdResponse = hcatDriver.run(tableQuery);
        assertEquals(0, cmdResponse.getResponseCode());
        revMap.clear();
        revMap.put("cf1", 3L);
        hbaseSnapshot = new TableSnapshot(fullyQualTableName, revMap, -1);
        inputInfo = InputJobInfo.create(databaseName, tableName, null);
        inputInfo.getProperties().setProperty(HBaseConstants.PROPERTY_TABLE_SNAPSHOT_KEY, "dummysnapshot");
        InitializeInput.setInput(job, inputInfo);
        modifiedInputInfo = job.getConfiguration().get(HCatConstants.HCAT_KEY_JOB_INFO);
        inputInfo = (InputJobInfo) HCatUtil.deserialize(modifiedInputInfo);
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        job.setNumReduceTasks(0);

        assertTrue(job.waitForCompletion(true));
        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(databaseName+"."+tableName);
            for(String el: snapshot.getColumnFamilies()) {
                assertEquals(1,snapshot.getRevision(el));
            }
        } finally {
            rm.close();
        }
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        assertFalse(job.waitForCompletion(true));

        // verify that revision manager has it as aborted transaction
        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(databaseName + "." + tableName);
            for (String family : snapshot.getColumnFamilies()) {
                assertEquals(1, snapshot.getRevision(family));
                List<FamilyRevision> abortedWriteTransactions = rm.getAbortedWriteTransactions(
                        databaseName + "." + tableName, family);
                assertEquals(1, abortedWriteTransactions.size());
                assertEquals(1, abortedWriteTransactions.get(0).getRevision());
            }
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                outputJobInfo, inputPath);
        assertTrue(job.waitForCompletion(true));

        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(hbaseTableName);
            for(String el: snapshot.getColumnFamilies()) {
                assertEquals(1,snapshot.getRevision(el));
            }
        } finally {
            rm.close();
        }
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        assertFalse(job.waitForCompletion(true));

        // verify that revision manager has it as aborted transaction
        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(hbaseTableName);
            for (String family : snapshot.getColumnFamilies()) {
                assertEquals(1, snapshot.getRevision(family));
                List<FamilyRevision> abortedWriteTransactions = rm.getAbortedWriteTransactions(
                        hbaseTableName, family);
                assertEquals(1, abortedWriteTransactions.size());
                assertEquals(1, abortedWriteTransactions.get(0).getRevision());
            }
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     */
    static HCatTableSnapshot createSnapshot(Configuration jobConf,
            String hbaseTableName, HCatTableInfo tableInfo ) throws IOException {

        RevisionManager rm = null;
        TableSnapshot snpt;
        try {
            rm = getOpenedRevisionManager(jobConf);
            snpt = rm.createSnapshot(hbaseTableName);
        } finally {
            closeRevisionManagerQuietly(rm);
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     */
    static HCatTableSnapshot createSnapshot(Configuration jobConf,
            String tableName, long revision)
            throws IOException {

        TableSnapshot snpt;
        RevisionManager rm = null;
        try {
            rm = getOpenedRevisionManager(jobConf);
            snpt = rm.createSnapshot(tableName, revision);
        } finally {
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Related Classes of org.apache.hcatalog.hbase.snapshot.TableSnapshot

  • org.apache.hcatalog.hbase.HBaseRevisionManagerUtil
  • org.apache.hcatalog.hbase.TestHBaseBulkOutputFormat
  • org.apache.hcatalog.hbase.TestHBaseDirectOutputFormat
  • org.apache.hcatalog.hbase.TestSnapshots
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