Examples of org.apache.hadoop.hbase.client.HBaseAdmin.createTable()

Class org.apache.hadoop.hbase.client.HBaseAdmin

Examples of org.apache.hadoop.hbase.client.HBaseAdmin.createTable()

org.apache.hadoop.hbase.client.HBaseAdmin.createTable()
Creates a new table. Synchronous operation. @param desc table descriptor for table @throws IllegalArgumentException if the table name is reserved @throws MasterNotRunningException if master is not running @throws TableExistsException if table already exists (If concurrentthreads, the table may have been created between test-for-existence and attempt-at-creation). @throws IOException if a remote or network exception occurs

      HTableDescriptor tableDesc = new HTableDescriptor(tableName);
      for (String family : families) {
        HColumnDescriptor columnDescriptor = new HColumnDescriptor(family);
        tableDesc.addFamily(columnDescriptor);
      }
      admin.createTable(tableDesc);
    } catch (Exception e) {
      e.printStackTrace();
      throw new IllegalStateException(e);
    }

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    HTableDescriptor tableDesc = new HTableDescriptor(tableName);
    tableDesc.addFamily(new HColumnDescriptor(Bytes.toBytes("key")));
    tableDesc.addFamily(new HColumnDescriptor(Bytes.toBytes("familyone")));
    tableDesc.addFamily(new HColumnDescriptor(Bytes.toBytes("familytwo")));


    hAdmin.createTable(tableDesc);
    boolean doesTableExist = hAdmin.tableExists(tableName);
    assertTrue(doesTableExist);


    hcatDriver.run("drop table mytabletwo");
    CommandProcessorResponse response = hcatDriver

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  public void testAddColumn() throws IOException {
    HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
    // Create a table with two families
    HTableDescriptor baseHtd = new HTableDescriptor(TABLE_NAME);
    baseHtd.addFamily(new HColumnDescriptor(FAMILY_0));
    admin.createTable(baseHtd);
    admin.disableTable(TABLE_NAME);
    try {
      // Verify the table descriptor
      verifyTableDescriptor(TABLE_NAME, FAMILY_0);

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    HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
    // Create a table with two families
    HTableDescriptor baseHtd = new HTableDescriptor(TABLE_NAME);
    baseHtd.addFamily(new HColumnDescriptor(FAMILY_0));
    baseHtd.addFamily(new HColumnDescriptor(FAMILY_1));
    admin.createTable(baseHtd);
    admin.disableTable(TABLE_NAME);
    try {
      // Verify the table descriptor
      verifyTableDescriptor(TABLE_NAME, FAMILY_0, FAMILY_1);

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    HTableDescriptor htd = new HTableDescriptor(TEST_NAME);
    htd.addFamily(new HColumnDescriptor(TEST_FAMILY));


    HBaseAdmin admin = getTestingUtil().getHBaseAdmin();
    int numPreCreate = 40;
    admin.createTable(htd, Bytes.toBytes(0L), Bytes.toBytes(-1L), numPreCreate);


    doLoad(getConf(), htd);
    doVerify(getConf(), htd);


    // Only disable and drop if we succeeded to verify - otherwise it's useful

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    HTableDescriptor htd = new HTableDescriptor(table);
    htd.addFamily(new HColumnDescriptor(TEST_FAMILY));


    HBaseAdmin admin = new HBaseAdmin(getConf());
    if (doLoad) {
      admin.createTable(htd, Bytes.toBytes(0L), Bytes.toBytes(-1L), numPresplits);
      doLoad(getConf(), htd);
    }
    if (doVerify) {
      doVerify(getConf(), htd);
      if (doDelete) {

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      HBaseAdmin admin = new HBaseAdmin(getConf());
      byte[] tableName = getTableName(getConf());
      if (!admin.tableExists(tableName)) {
        HTableDescriptor htd = new HTableDescriptor(getTableName(getConf()));
        htd.addFamily(new HColumnDescriptor(FAMILY_NAME));
        admin.createTable(htd);
      }
      admin.close();
    }


    public int runRandomInputGenerator(int numMappers, long numNodes, Path tmpOutput)

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    HBaseAdmin admin = new HBaseAdmin(TESTING_UTIL.getConfiguration());
    // Create table then get the single region for our new table.
    HTableDescriptor htd = new HTableDescriptor(tableName);
    htd.addFamily(new HColumnDescriptor("cf"));
    admin.createTable(htd);


    List<HRegion> regions = null;
    for (int i=0; i<100; i++) {
      regions = cluster.getRegions(tableName);
      if (regions.size() > 0) break;

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    final byte[] tableName = Bytes.toBytes("testShouldClearRITWhenNodeFoundInSplittingState");
    HBaseAdmin admin = new HBaseAdmin(TESTING_UTIL.getConfiguration());
    // Create table then get the single region for our new table.
    HTableDescriptor htd = new HTableDescriptor(tableName);
    htd.addFamily(new HColumnDescriptor("cf"));
    admin.createTable(htd);
    for (int i = 0; cluster.getRegions(tableName).size() == 0 && i < 100; i++) {
      Thread.sleep(100);
    }
    assertTrue("Table not online", cluster.getRegions(tableName).size() != 0);

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    HBaseAdmin admin = new HBaseAdmin(conf);
    HTableDescriptor tableDesc = new HTableDescriptor(tableName);
    for (int i = 0; i < columns.length; i++) {
      tableDesc.addFamily(new HColumnDescriptor(columns[i]));
    }
    admin.createTable(tableDesc);


    // Insert values
    
    HTable table = new HTable(conf, getName());

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