Examples with FilterList org.apache.hadoop.hbase.filter.FilterList used on opensource projects

Example 16 with FilterList

use of org.apache.hadoop.hbase.filter.FilterList in project hbase by apache.

the class TestScannersWithFilters method testFilterList.

@Test
public void testFilterList() throws Exception {
    // Test getting a single row, single key using Row, Qualifier, and Value
    // regular expression and substring filters
    // Use must pass all
    List<Filter> filters = new ArrayList<>(3);
    filters.add(new RowFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2")));
    filters.add(new QualifierFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2")));
    filters.add(new ValueFilter(CompareOp.EQUAL, new SubstringComparator("One")));
    Filter f = new FilterList(Operator.MUST_PASS_ALL, filters);
    Scan s = new Scan();
    s.addFamily(FAMILIES[0]);
    s.setFilter(f);
    KeyValue[] kvs = { new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]) };
    verifyScanFull(s, kvs);
    // Test getting everything with a MUST_PASS_ONE filter including row, qf,
    // val, regular expression and substring filters
    filters.clear();
    filters.add(new RowFilter(CompareOp.EQUAL, new RegexStringComparator(".+Two.+")));
    filters.add(new QualifierFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2")));
    filters.add(new ValueFilter(CompareOp.EQUAL, new SubstringComparator("One")));
    f = new FilterList(Operator.MUST_PASS_ONE, filters);
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, numRows, colsPerRow);
}

Example 17 with FilterList

use of org.apache.hadoop.hbase.filter.FilterList in project hbase by apache.

the class TestFromClientSide method buildScanner.

private ResultScanner buildScanner(String keyPrefix, String value, Table ht) throws IOException {
    // OurFilterList allFilters = new OurFilterList();
    FilterList allFilters = new FilterList();
    allFilters.addFilter(new PrefixFilter(Bytes.toBytes(keyPrefix)));
    SingleColumnValueFilter filter = new SingleColumnValueFilter(Bytes.toBytes("trans-tags"), Bytes.toBytes("qual2"), CompareOp.EQUAL, Bytes.toBytes(value));
    filter.setFilterIfMissing(true);
    allFilters.addFilter(filter);
    // allFilters.addFilter(new
    // RowExcludingSingleColumnValueFilter(Bytes.toBytes("trans-tags"),
    // Bytes.toBytes("qual2"), CompareOp.EQUAL, Bytes.toBytes(value)));
    Scan scan = new Scan();
    scan.addFamily(Bytes.toBytes("trans-blob"));
    scan.addFamily(Bytes.toBytes("trans-type"));
    scan.addFamily(Bytes.toBytes("trans-date"));
    scan.addFamily(Bytes.toBytes("trans-tags"));
    scan.addFamily(Bytes.toBytes("trans-group"));
    scan.setFilter(allFilters);
    return ht.getScanner(scan);
}

Example 18 with FilterList

use of org.apache.hadoop.hbase.filter.FilterList in project hbase by apache.

the class TestFromClientSide method testFilterAllRecords.

@Test
public void testFilterAllRecords() throws IOException {
    Scan scan = new Scan();
    scan.setBatch(1);
    scan.setCaching(1);
    // Filter out any records
    scan.setFilter(new FilterList(new FirstKeyOnlyFilter(), new InclusiveStopFilter(new byte[0])));
    try (Table table = TEST_UTIL.getConnection().getTable(TableName.NAMESPACE_TABLE_NAME)) {
        try (ResultScanner s = table.getScanner(scan)) {
            assertNull(s.next());
        }
    }
}

Example 19 with FilterList

use of org.apache.hadoop.hbase.filter.FilterList in project hive by apache.

the class HBaseScanRange method setup.

public void setup(Scan scan, Configuration conf) throws Exception {
    if (startRow != null) {
        scan.setStartRow(startRow);
    }
    if (stopRow != null) {
        scan.setStopRow(stopRow);
    }
    if (filterDescs.isEmpty()) {
        return;
    }
    if (filterDescs.size() == 1) {
        scan.setFilter(filterDescs.get(0).toFilter(conf));
        return;
    }
    List<Filter> filters = new ArrayList<Filter>();
    for (FilterDesc filter : filterDescs) {
        filters.add(filter.toFilter(conf));
    }
    scan.setFilter(new FilterList(filters));
}

Example 20 with FilterList

use of org.apache.hadoop.hbase.filter.FilterList in project hbase by apache.

the class TestHRegion method buildScanner.

private InternalScanner buildScanner(String keyPrefix, String value, HRegion r) throws IOException {
    // Defaults FilterList.Operator.MUST_PASS_ALL.
    FilterList allFilters = new FilterList();
    allFilters.addFilter(new PrefixFilter(Bytes.toBytes(keyPrefix)));
    // Only return rows where this column value exists in the row.
    SingleColumnValueFilter filter = new SingleColumnValueFilter(Bytes.toBytes("trans-tags"), Bytes.toBytes("qual2"), CompareOp.EQUAL, Bytes.toBytes(value));
    filter.setFilterIfMissing(true);
    allFilters.addFilter(filter);
    Scan scan = new Scan();
    scan.addFamily(Bytes.toBytes("trans-blob"));
    scan.addFamily(Bytes.toBytes("trans-type"));
    scan.addFamily(Bytes.toBytes("trans-date"));
    scan.addFamily(Bytes.toBytes("trans-tags"));
    scan.addFamily(Bytes.toBytes("trans-group"));
    scan.setFilter(allFilters);
    return r.getScanner(scan);
}