Examples of HTableDescriptor

org.apache.hadoop.hbase.HTableDescriptor
HTableDescriptor contains the details about an HBase table such as the descriptors of all the column families, is the table a catalog table, -ROOT- or .META. , is the table is read only, the maximum size of the memstore, when the region split should occur, coprocessors associated with it etc...

Examples of org.apache.hadoop.hbase.HTableDescriptor

    HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
    if (admin.tableExists(tableName)) {
      admin.disableTable(tableName);
      admin.deleteTable(tableName);
    }
    HTableDescriptor htd = new HTableDescriptor(tableName);
    htd.addFamily(new HColumnDescriptor(family1));
    htd.addFamily(new HColumnDescriptor(family2));
    admin.createTable(htd);


    // create temp users
    User user = User.createUserForTesting(TEST_UTIL.getConfiguration(), "user", new String[0]);

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Examples of org.apache.hadoop.hbase.HTableDescriptor

    HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
    if (admin.tableExists(tableName)) {
      admin.disableTable(tableName);
      admin.deleteTable(tableName);
    }
    HTableDescriptor htd = new HTableDescriptor(tableName);
    htd.addFamily(new HColumnDescriptor(family1));
    htd.addFamily(new HColumnDescriptor(family2));
    htd.setOwner(USER_OWNER);
    admin.createTable(htd);


    List<UserPermission> perms;
    HTable acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      perms = protocol.getUserPermissions(tableName);
    } finally {
      acl.close();
    }


    UserPermission ownerperm = new UserPermission(Bytes.toBytes(USER_OWNER.getName()), tableName,
        null, Action.values());
    assertTrue("Owner should have all permissions on table",
      hasFoundUserPermission(ownerperm, perms));


    UserPermission up = new UserPermission(user, tableName, family1, qualifier,
        Permission.Action.READ);
    assertFalse("User should not be granted permission: " + up.toString(),
      hasFoundUserPermission(up, perms));


    // grant read permission
    UserPermission upToSet = new UserPermission(user, tableName, family1, qualifier,
        Permission.Action.READ);


    acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      protocol.grant(upToSet);
      perms = protocol.getUserPermissions(tableName);
    } finally {
      acl.close();
    }


    UserPermission upToVerify = new UserPermission(user, tableName, family1, qualifier,
        Permission.Action.READ);
    assertTrue("User should be granted permission: " + upToVerify.toString(),
      hasFoundUserPermission(upToVerify, perms));


    upToVerify = new UserPermission(user, tableName, family1, qualifier, Permission.Action.WRITE);
    assertFalse("User should not be granted permission: " + upToVerify.toString(),
      hasFoundUserPermission(upToVerify, perms));


    // grant read+write
    upToSet = new UserPermission(user, tableName, family1, qualifier, Permission.Action.WRITE,
        Permission.Action.READ);
    acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      protocol.grant(upToSet);
      perms = protocol.getUserPermissions(tableName);
    } finally {
      acl.close();
    }


    upToVerify = new UserPermission(user, tableName, family1, qualifier, Permission.Action.WRITE,
        Permission.Action.READ);
    assertTrue("User should be granted permission: " + upToVerify.toString(),
      hasFoundUserPermission(upToVerify, perms));


    acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      protocol.revoke(upToSet);
      perms = protocol.getUserPermissions(tableName);
    } finally {
      acl.close();
    }


    assertFalse("User should not be granted permission: " + upToVerify.toString(),
      hasFoundUserPermission(upToVerify, perms));


    // disable table before modification
    admin.disableTable(tableName);


    User newOwner = User.createUserForTesting(conf, "new_owner", new String[] {});
    htd.setOwner(newOwner);
    admin.modifyTable(tableName, htd);


    acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,

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Examples of org.apache.hadoop.hbase.HTableDescriptor

   * @throws IOException
   * @throws InterruptedException
   * @throws KeeperException
   */
  HTable setupTable(String tablename) throws Exception {
    HTableDescriptor desc = new HTableDescriptor(tablename);
    HColumnDescriptor hcd = new HColumnDescriptor(Bytes.toString(FAM));
    desc.addFamily(hcd); // If a table has no CF's it doesn't get checked
    TEST_UTIL.getHBaseAdmin().createTable(desc, SPLITS);
    tbl = new HTable(TEST_UTIL.getConfiguration(), tablename);


    List<Put> puts = new ArrayList<Put>();
    for (byte[] row : ROWKEYS) {

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Examples of org.apache.hadoop.hbase.HTableDescriptor

      assertNoErrors(hbck);
      status = null;
      status = FSTableDescriptors.getTableInfoPath(fs, hbaseTableDir);
      assertNotNull(status);


      HTableDescriptor htd = admin.getTableDescriptor(table.getBytes());
      htd.setValue("NOT_DEFAULT", "true");
      admin.disableTable(table);
      admin.modifyTable(table.getBytes(), htd);
      admin.enableTable(table);
      fs.delete(status.getPath(), true);


      // fix OrphanTable with cache
      htd = admin.getTableDescriptor(table.getBytes()); // warms up cached htd on master
      hbck = doFsck(conf, true);
      assertNoErrors(hbck);
      status = null;
      status = FSTableDescriptors.getTableInfoPath(fs, hbaseTableDir);
      assertNotNull(status);
      htd = admin.getTableDescriptor(table.getBytes());
      assertEquals(htd.getValue("NOT_DEFAULT"), "true");
    } finally {
      fs.rename(new Path("/.tableinfo"), tableinfo);
      deleteTable(table);
    }
  }

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Examples of org.apache.hadoop.hbase.HTableDescriptor

      Path rootdir = filesystem.makeQualified(new Path(conf
          .get(HConstants.HBASE_DIR)));


      byte[][] SPLIT_KEYS = new byte[][] { new byte[0], Bytes.toBytes("aaa"),
          Bytes.toBytes("bbb"), Bytes.toBytes("ccc"), Bytes.toBytes("ddd") };
      HTableDescriptor htdDisabled = new HTableDescriptor(Bytes.toBytes(table));
      htdDisabled.addFamily(new HColumnDescriptor(FAM));


      // Write the .tableinfo
      FSTableDescriptors
          .createTableDescriptor(filesystem, rootdir, htdDisabled);
      List<HRegionInfo> disabledRegions = TEST_UTIL.createMultiRegionsInMeta(

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Examples of org.apache.hadoop.hbase.HTableDescriptor

    // Add one column family and put some data in it
    admin.disableTable(tableName);
    admin.addColumn(tableName, new HColumnDescriptor(TEST_FAMILY2));
    admin.enableTable(tableName);
    assertEquals(2, table.getTableDescriptor().getFamilies().size());
    HTableDescriptor htd = admin.getTableDescriptor(tableName);
    assertEquals(2, htd.getFamilies().size());
    loadData(table, 500, TEST_FAMILY2);
    long snapshot2Rows = snapshot1Rows + 500;
    assertEquals(snapshot2Rows, TEST_UTIL.countRows(table));
    assertEquals(500, TEST_UTIL.countRows(table, TEST_FAMILY2));
    Set<String> fsFamilies = getFamiliesFromFS(tableName);
    assertEquals(2, fsFamilies.size());
    table.close();


    // Take a snapshot
    admin.disableTable(tableName);
    admin.snapshot(snapshotName2, tableName);


    // Restore the snapshot (without the cf)
    admin.restoreSnapshot(snapshotName0);
    assertEquals(1, table.getTableDescriptor().getFamilies().size());
    admin.enableTable(tableName);
    try {
      TEST_UTIL.countRows(table, TEST_FAMILY2);
      fail("family '" + Bytes.toString(TEST_FAMILY2) + "' should not exists");
    } catch (NoSuchColumnFamilyException e) {
      // expected
    }
    assertEquals(snapshot0Rows, TEST_UTIL.countRows(table));
    htd = admin.getTableDescriptor(tableName);
    assertEquals(1, htd.getFamilies().size());
    fsFamilies = getFamiliesFromFS(tableName);
    assertEquals(1, fsFamilies.size());
    table.close();


    // Restore back the snapshot (with the cf)
    admin.disableTable(tableName);
    admin.restoreSnapshot(snapshotName2);
    admin.enableTable(tableName);
    htd = admin.getTableDescriptor(tableName);
    assertEquals(2, htd.getFamilies().size());
    assertEquals(2, table.getTableDescriptor().getFamilies().size());
    assertEquals(500, TEST_UTIL.countRows(table, TEST_FAMILY2));
    assertEquals(snapshot2Rows, TEST_UTIL.countRows(table));
    fsFamilies = getFamiliesFromFS(tableName);
    assertEquals(2, fsFamilies.size());

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Examples of org.apache.hadoop.hbase.HTableDescriptor


  // ==========================================================================
  //  Helpers
  // ==========================================================================
  private void createTable(final byte[] tableName, final byte[]... families) throws IOException {
    HTableDescriptor htd = new HTableDescriptor(tableName);
    for (byte[] family: families) {
      HColumnDescriptor hcd = new HColumnDescriptor(family);
      htd.addFamily(hcd);
    }
    byte[][] splitKeys = new byte[16][];
    byte[] hex = Bytes.toBytes("0123456789abcdef");
    for (int i = 0; i < 16; ++i) {
      splitKeys[i] = new byte[] { hex[i] };

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Examples of org.apache.hadoop.hbase.HTableDescriptor


  // ==========================================================================
  //  Helpers
  // ==========================================================================
  private void createTable(final byte[] tableName, final byte[]... families) throws IOException {
    HTableDescriptor htd = new HTableDescriptor(tableName);
    for (byte[] family: families) {
      HColumnDescriptor hcd = new HColumnDescriptor(family);
      htd.addFamily(hcd);
    }
    byte[][] splitKeys = new byte[16][];
    byte[] hex = Bytes.toBytes("0123456789abcdef");
    for (int i = 0; i < 16; ++i) {
      splitKeys[i] = new byte[] { hex[i] };

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Examples of org.apache.hadoop.hbase.HTableDescriptor

        Bytes.toBytes("fff"), Bytes.toBytes("ggg"), Bytes.toBytes("hhh"),
        Bytes.toBytes("iii"), Bytes.toBytes("jjj")
    };


    byte [] enabledTable = Bytes.toBytes("enabledTable");
    HTableDescriptor htdEnabled = new HTableDescriptor(enabledTable);
    htdEnabled.addFamily(new HColumnDescriptor(FAMILY));


    FileSystem filesystem = FileSystem.get(conf);
    Path rootdir = filesystem.makeQualified(
        new Path(conf.get(HConstants.HBASE_DIR)));
    // Write the .tableinfo
    FSTableDescriptors.createTableDescriptor(filesystem, rootdir, htdEnabled);


    HRegionInfo hriEnabled = new HRegionInfo(htdEnabled.getName(), null, null);
    createRegion(hriEnabled, rootdir, conf, htdEnabled);


    List<HRegionInfo> enabledRegions = TEST_UTIL.createMultiRegionsInMeta(
        TEST_UTIL.getConfiguration(), htdEnabled, SPLIT_KEYS);


    byte [] disabledTable = Bytes.toBytes("disabledTable");
    HTableDescriptor htdDisabled = new HTableDescriptor(disabledTable);
    htdDisabled.addFamily(new HColumnDescriptor(FAMILY));
    // Write the .tableinfo
    FSTableDescriptors.createTableDescriptor(filesystem, rootdir, htdDisabled);
    HRegionInfo hriDisabled = new HRegionInfo(htdDisabled.getName(), null, null);
    createRegion(hriDisabled, rootdir, conf, htdDisabled);
    List<HRegionInfo> disabledRegions = TEST_UTIL.createMultiRegionsInMeta(
        TEST_UTIL.getConfiguration(), htdDisabled, SPLIT_KEYS);


    log("Regions in META have been created");

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Examples of org.apache.hadoop.hbase.HTableDescriptor

        Bytes.toBytes("fff"), Bytes.toBytes("ggg"), Bytes.toBytes("hhh"),
        Bytes.toBytes("iii"), Bytes.toBytes("jjj")
    };


    byte [] enabledTable = Bytes.toBytes("enabledTable");
    HTableDescriptor htdEnabled = new HTableDescriptor(enabledTable);
    htdEnabled.addFamily(new HColumnDescriptor(FAMILY));
    FileSystem filesystem = FileSystem.get(conf);
    Path rootdir = filesystem.makeQualified(
           new Path(conf.get(HConstants.HBASE_DIR)));
    // Write the .tableinfo
    FSTableDescriptors.createTableDescriptor(filesystem, rootdir, htdEnabled);
    HRegionInfo hriEnabled = new HRegionInfo(htdEnabled.getName(),
        null, null);
    createRegion(hriEnabled, rootdir, conf, htdEnabled);


    List<HRegionInfo> enabledRegions = TEST_UTIL.createMultiRegionsInMeta(
        TEST_UTIL.getConfiguration(), htdEnabled, SPLIT_KEYS);


    byte [] disabledTable = Bytes.toBytes("disabledTable");
    HTableDescriptor htdDisabled = new HTableDescriptor(disabledTable);
    htdDisabled.addFamily(new HColumnDescriptor(FAMILY));
    // Write the .tableinfo
    FSTableDescriptors.createTableDescriptor(filesystem, rootdir, htdDisabled);
    HRegionInfo hriDisabled = new HRegionInfo(htdDisabled.getName(), null, null);
    createRegion(hriDisabled, rootdir, conf, htdDisabled);


    List<HRegionInfo> disabledRegions = TEST_UTIL.createMultiRegionsInMeta(
        TEST_UTIL.getConfiguration(), htdDisabled, SPLIT_KEYS);

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