Examples of org.apache.hadoop.hbase.index.IndexSpecification.addIndexColumn()

Class org.apache.hadoop.hbase.index.IndexSpecification

Examples of org.apache.hadoop.hbase.index.IndexSpecification.addIndexColumn()

org.apache.hadoop.hbase.index.IndexSpecification.addIndexColumn()
@param cf column family @param qualifier @param type - If type is specified as null then by default ValueType will be taken as String. @param maxValueLength @throws IllegalArgumentException If column family name and/or qualifier is null or blanks.
If column family name starts with '.',contains control characters or colons. @see ValueType

  public void testShouldAbleReturnTrueForIndexedTable() throws Exception {
    tableName = "testShouldAbleReturnTrueForIndexedTable";
    IndexedHTableDescriptor ihtd = new IndexedHTableDescriptor(tableName);
    HColumnDescriptor hcd = new HColumnDescriptor("col");
    IndexSpecification iSpec = new IndexSpecification("ScanIndexf");
    iSpec.addIndexColumn(hcd, "ql", ValueType.String, 10);
    ihtd.addFamily(hcd);
    ihtd.addIndex(iSpec);
    admin.createTable(ihtd);
    Assert.assertTrue(IndexMapReduceUtil.isIndexedTable(tableName, conf));
  }

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  public void testShouldFormIndexPutsAndIndexDeletes() throws Exception {
    tableName = "testShouldFormIndexPutsAndIndexDeletes";
    IndexedHTableDescriptor ihtd = new IndexedHTableDescriptor(tableName);
    HColumnDescriptor hcd = new HColumnDescriptor("col");
    IndexSpecification iSpec = new IndexSpecification("ScanIndexf");
    iSpec.addIndexColumn(hcd, "q1", ValueType.String, 10);
    iSpec.addIndexColumn(hcd, "q2", ValueType.String, 10);
    ihtd.addFamily(hcd);
    ihtd.addIndex(iSpec);
    admin.getConfiguration().set(TableInputFormat.INPUT_TABLE, tableName);
    admin.createTable(ihtd);

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    tableName = "testShouldFormIndexPutsAndIndexDeletes";
    IndexedHTableDescriptor ihtd = new IndexedHTableDescriptor(tableName);
    HColumnDescriptor hcd = new HColumnDescriptor("col");
    IndexSpecification iSpec = new IndexSpecification("ScanIndexf");
    iSpec.addIndexColumn(hcd, "q1", ValueType.String, 10);
    iSpec.addIndexColumn(hcd, "q2", ValueType.String, 10);
    ihtd.addFamily(hcd);
    ihtd.addIndex(iSpec);
    admin.getConfiguration().set(TableInputFormat.INPUT_TABLE, tableName);
    admin.createTable(ihtd);
    HTable mainTable = new HTable(conf, Bytes.toBytes(tableName));

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    assertNotNull("Index Manager should not be null.", im);


    List<IndexSpecification> indexList = new ArrayList<IndexSpecification>(1);
    IndexSpecification iSpec = new IndexSpecification("index_name");


    iSpec.addIndexColumn(new HColumnDescriptor("cf"), "cq", null, 10);
    indexList.add(iSpec);
    im.addIndexForTable("index_name", indexList);
    indexList = im.getIndicesForTable("index_name");
    assertEquals("Index name should be equal with actual value.", "index_name", indexList.get(0)
        .getName());

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    assertNotNull("Index Manager should not be null.", im);


    List<IndexSpecification> indexList = new ArrayList<IndexSpecification>(1);
    IndexSpecification iSpec = new IndexSpecification("index_name");


    iSpec.addIndexColumn(new HColumnDescriptor("cf"), "cq", null, 5);
    indexList.add(iSpec);
    im.addIndexForTable("index_name", indexList);
    indexList = im.getIndicesForTable("index_name");


    Set<ColumnQualifier> indexColumns = indexList.get(0).getIndexColumns();

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    assertNotNull("Index Manager should not be null.", im);


    List<IndexSpecification> indexList = new ArrayList<IndexSpecification>(1);
    IndexSpecification iSpec = new IndexSpecification("index_name");


    iSpec.addIndexColumn(new HColumnDescriptor("cf"), "cq", null, 0);
    indexList.add(iSpec);
    im.addIndexForTable("index_name", indexList);
    indexList = im.getIndicesForTable("index_name");
    assertEquals("the total value length should be 2", 2, indexList.get(0).getTotalValueLength());
  }

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    assertNotNull("Index Manager should not be null.", im);


    List<IndexSpecification> indexList = new ArrayList<IndexSpecification>(1);
    IndexSpecification iSpec = new IndexSpecification("index_name");


    iSpec.addIndexColumn(new HColumnDescriptor("cf"), "cq", null, 10);
    indexList.add(iSpec);
    im.removeIndices("index_name");
    indexList = im.getIndicesForTable("index_name");
    assertNull("Index specification List should be null.", indexList);

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  private IndexedHTableDescriptor createIndexedHTableDescriptor(String tableName,
      String columnFamily, String indexName, String indexColumnFamily, String indexColumnQualifier) {
    IndexedHTableDescriptor htd = new IndexedHTableDescriptor(tableName);
    IndexSpecification iSpec = new IndexSpecification(indexName);
    HColumnDescriptor hcd = new HColumnDescriptor(columnFamily);
    iSpec.addIndexColumn(hcd, indexColumnQualifier, ValueType.String, 10);
    htd.addFamily(hcd);
    htd.addIndex(iSpec);
    return htd;
  }
}

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    ZooKeeperWatcher zkw = HBaseTestingUtility.getZooKeeperWatcher(UTIL);
    IndexedHTableDescriptor ihtd = new IndexedHTableDescriptor(userTableName);
    HColumnDescriptor hcd1 = new HColumnDescriptor("column1");
    HColumnDescriptor hcd2 = new HColumnDescriptor("column2");
    IndexSpecification iSpec1 = new IndexSpecification("Index");
    iSpec1.addIndexColumn(hcd1, "q", ValueType.String, 10);
    iSpec1.addIndexColumn(hcd2, "q", ValueType.String, 10);
    ihtd.addFamily(hcd1);
    ihtd.addFamily(hcd2);
    ihtd.addIndex(iSpec1);
    admin.createTable(ihtd);

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    IndexedHTableDescriptor ihtd = new IndexedHTableDescriptor(userTableName);
    HColumnDescriptor hcd1 = new HColumnDescriptor("column1");
    HColumnDescriptor hcd2 = new HColumnDescriptor("column2");
    IndexSpecification iSpec1 = new IndexSpecification("Index");
    iSpec1.addIndexColumn(hcd1, "q", ValueType.String, 10);
    iSpec1.addIndexColumn(hcd2, "q", ValueType.String, 10);
    ihtd.addFamily(hcd1);
    ihtd.addFamily(hcd2);
    ihtd.addIndex(iSpec1);
    admin.createTable(ihtd);
    ZKAssign.blockUntilNoRIT(zkw);

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