Examples of org.apache.hadoop.hbase.client.Delete.deleteFamily()

Class org.apache.hadoop.hbase.client.Delete

Examples of org.apache.hadoop.hbase.client.Delete.deleteFamily()

org.apache.hadoop.hbase.client.Delete.deleteFamily()
Delete all versions of all columns of the specified family.
Overrides previous calls to deleteColumn and deleteColumns for the specified family. @param family family name @return this for invocation chaining

    // should result in a compacted store file that has no references to the
    // deleted row.
    LOG.debug("Adding deletes to memstore and flushing");
    Delete delete = new Delete(secondRowBytes, System.currentTimeMillis(), null);
    byte [][] famAndQf = {COLUMN_FAMILY, null};
    delete.deleteFamily(famAndQf[0]);
    r.delete(delete, null, true);


    // Assert deleted.
    result = r.get(new Get(secondRowBytes).addFamily(COLUMN_FAMILY_TEXT).setMaxVersions(100), null );
    assertTrue("Second row should have been deleted", result.isEmpty());

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    //testMinorCompactionWithDelete(dc, 2);
    testMinorCompactionWithDelete(dc, 3);
  }
  public void testMinorCompactionWithDeleteColumnFamily() throws Exception {
    Delete deleteCF = new Delete(secondRowBytes);
    deleteCF.deleteFamily(fam2);
    testMinorCompactionWithDelete(deleteCF);
  }
  public void testMinorCompactionWithDeleteVersion1() throws Exception {
    Delete deleteVersion = new Delete(secondRowBytes);
    deleteVersion.deleteColumns(fam2, col2, 2);

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      // Delete all Store information once done using
      for (int i = 0; i < compactionThreshold; i++) {
        Delete delete = new Delete(Bytes.add(STARTROW, Bytes.toBytes(i)));
        byte [][] famAndQf = {COLUMN_FAMILY, null};
        delete.deleteFamily(famAndQf[0]);
        r.delete(delete, null, true);
      }
      r.flushcache();


      // Multiple versions allowed for an entry, so the delete isn't enough

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   */
  public static void removeRegionFromMETA(final HRegionInterface srvr,
    final byte [] metaRegionName, final byte [] regionName)
  throws IOException {
    Delete delete = new Delete(regionName);
    delete.deleteFamily(HConstants.CATALOG_FAMILY);
    srvr.delete(metaRegionName, delete);
  }


  /**
   * Utility method used by HMaster marking regions offlined.

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    byte [] rowB = Bytes.toBytes("rowB");


    byte [] value = Bytes.toBytes("value");


    Delete delete = new Delete(rowA);
    delete.deleteFamily(fam1);


    region.delete(delete, null, true);


    // now create data.
    Put put = new Put(rowA);

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    doTestDelete_AndPostInsert(delete);
  }


  public void testDeleteFamily_PostInsert() throws IOException, InterruptedException {
    Delete delete = new Delete(row);
    delete.deleteFamily(fam1);
    doTestDelete_AndPostInsert(delete);
  }


  public void doTestDelete_AndPostInsert(Delete delete)
      throws IOException, InterruptedException {

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        if (deleteType == WaspProtos.Mutate.DeleteType.DELETE_ONE_VERSION) {
          delete.deleteColumn(family, qualifier, ts);
        } else if (deleteType == WaspProtos.Mutate.DeleteType.DELETE_MULTIPLE_VERSIONS) {
          delete.deleteColumns(family, qualifier, ts);
        } else {
          delete.deleteFamily(family, ts);
        }
      }
    }
    return delete;
  }

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      byte[][] split = KeyValue.parseColumn(column);
      if (rowspec.hasTimestamp()) {
        if (split.length == 2 && split[1].length != 0) {
          delete.deleteColumns(split[0], split[1], rowspec.getTimestamp());
        } else {
          delete.deleteFamily(split[0], rowspec.getTimestamp());
        }
      } else {
        if (split.length == 2 && split[1].length != 0) {
          delete.deleteColumns(split[0], split[1]);
        } else {

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        }
      } else {
        if (split.length == 2 && split[1].length != 0) {
          delete.deleteColumns(split[0], split[1]);
        } else {
          delete.deleteFamily(split[0]);
        }
      }
    }
    HTablePool pool;
    try {

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      try {
        HTable table = getTable(tableName);
        Delete delete  = new Delete(row);
        byte [][] famAndQf = KeyValue.parseColumn(column);
        if (famAndQf[1].length == 0) {
          delete.deleteFamily(famAndQf[0], timestamp);
        } else {
          delete.deleteColumns(famAndQf[0], famAndQf[1], timestamp);
        }
        table.delete(delete);

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