Examples with Delete org.apache.hadoop.hbase.client.Delete used on opensource projects

Example 96 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class TestMinVersions method testDelete.

/**
   * Make sure the Deletes behave as expected with minimum versions
   */
@Test
public void testDelete() throws Exception {
    HTableDescriptor htd = hbu.createTableDescriptor(name.getMethodName(), 3, 1000, 1, KeepDeletedCells.FALSE);
    Region region = hbu.createLocalHRegion(htd, null, null);
    // 2s in the past
    long ts = EnvironmentEdgeManager.currentTime() - 2000;
    try {
        Put p = new Put(T1, ts - 2);
        p.addColumn(c0, c0, T1);
        region.put(p);
        p = new Put(T1, ts - 1);
        p.addColumn(c0, c0, T2);
        region.put(p);
        p = new Put(T1, ts);
        p.addColumn(c0, c0, T3);
        region.put(p);
        Delete d = new Delete(T1, ts - 1);
        region.delete(d);
        Get g = new Get(T1);
        g.setMaxVersions();
        // this'll use ScanWildcardColumnTracker
        Result r = region.get(g);
        checkResult(r, c0, T3);
        g = new Get(T1);
        g.setMaxVersions();
        g.addColumn(c0, c0);
        // this'll use ExplicitColumnTracker
        r = region.get(g);
        checkResult(r, c0, T3);
        // now flush/compact
        region.flush(true);
        region.compact(true);
        // try again
        g = new Get(T1);
        g.setMaxVersions();
        // this'll use ScanWildcardColumnTracker
        r = region.get(g);
        checkResult(r, c0, T3);
        g = new Get(T1);
        g.setMaxVersions();
        g.addColumn(c0, c0);
        // this'll use ExplicitColumnTracker
        r = region.get(g);
        checkResult(r, c0, T3);
    } finally {
        HBaseTestingUtility.closeRegionAndWAL(region);
    }
}

Example 97 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class TestMinorCompaction method testMinorCompactionWithDeleteVersion2.

@Test
public void testMinorCompactionWithDeleteVersion2() throws Exception {
    Delete deleteVersion = new Delete(secondRowBytes);
    deleteVersion.addColumn(fam2, col2, 1);
    /*
     * the table has 4 versions: 0, 1, 2, and 3.
     * We delete 1.
     * Should have 3 remaining.
     */
    testMinorCompactionWithDelete(deleteVersion, 3);
}

Example 98 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class TestMinorCompaction method testMinorCompactionWithDeleteColumn2.

@Test
public void testMinorCompactionWithDeleteColumn2() throws Exception {
    Delete dc = new Delete(secondRowBytes);
    dc.addColumn(fam2, col2);
    /* compactionThreshold is 3. The table has 4 versions: 0, 1, 2, and 3.
     * we only delete the latest version. One might expect to see only
     * versions 1 and 2. HBase differs, and gives us 0, 1 and 2.
     * This is okay as well. Since there was no compaction done before the
     * delete, version 0 seems to stay on.
     */
    testMinorCompactionWithDelete(dc, 3);
}

Example 99 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class TestMinorCompaction method testMinorCompactionWithDeleteColumn1.

@Test
public void testMinorCompactionWithDeleteColumn1() throws Exception {
    Delete dc = new Delete(secondRowBytes);
    /* delete all timestamps in the column */
    dc.addColumns(fam2, col2);
    testMinorCompactionWithDelete(dc);
}

Example 100 with Delete

use of org.apache.hadoop.hbase.client.Delete in project hbase by apache.

the class TestMinorCompaction method testMinorCompactionWithDeleteVersion1.

@Test
public void testMinorCompactionWithDeleteVersion1() throws Exception {
    Delete deleteVersion = new Delete(secondRowBytes);
    deleteVersion.addColumns(fam2, col2, 2);
    /* compactionThreshold is 3. The table has 4 versions: 0, 1, 2, and 3.
     * We delete versions 0 ... 2. So, we still have one remaining.
     */
    testMinorCompactionWithDelete(deleteVersion, 1);
}