Examples with DeletionTime org.apache.cassandra.db.DeletionTime used on opensource projects

Example 6 with DeletionTime

use of org.apache.cassandra.db.DeletionTime in project cassandra by apache.

the class CompactionIteratorTest method parse.

private List<Unfiltered> parse(String input, UnfilteredRowsGenerator generator) {
    Matcher m = Pattern.compile("D(\\d+)\\|").matcher(input);
    if (m.lookingAt()) {
        int del = Integer.parseInt(m.group(1));
        input = input.substring(m.end());
        List<Unfiltered> list = generator.parse(input, NOW - 1);
        deletionTimes.put(list, new DeletionTime(del, del));
        return list;
    } else
        return generator.parse(input, NOW - 1);
}

Example 7 with DeletionTime

use of org.apache.cassandra.db.DeletionTime in project cassandra by apache.

the class RowsTest method mergeComplexDeletionSupersededByRowDeletion.

@Test
public void mergeComplexDeletionSupersededByRowDeletion() {
    int now1 = FBUtilities.nowInSeconds();
    Row.Builder existingBuilder = createBuilder(c1, now1, null, null, null);
    int now2 = now1 + 1;
    Row.Builder updateBuilder = createBuilder(c1, now2, null, BB1, BB1);
    int now3 = now2 + 1;
    Row.Deletion expectedDeletion = new Row.Deletion(new DeletionTime(secondToTs(now3), now3), false);
    updateBuilder.addRowDeletion(expectedDeletion);
    RowBuilder builder = new RowBuilder();
    Rows.merge(existingBuilder.build(), updateBuilder.build(), builder, now3 + 1);
    Assert.assertEquals(expectedDeletion, builder.deletionTime);
    Assert.assertEquals(Collections.emptyList(), builder.complexDeletions);
    Assert.assertEquals(Collections.emptyList(), builder.cells);
}

Example 8 with DeletionTime

use of org.apache.cassandra.db.DeletionTime in project cassandra by apache.

the class RowsTest method mergeRowDeletionSupercedesLiveness.

/**
     * If a row's deletion time deletes a row's liveness info, the new row should have it's
     * liveness info set to empty
     */
@Test
public void mergeRowDeletionSupercedesLiveness() {
    int now1 = FBUtilities.nowInSeconds();
    Row.Builder existingBuilder = createBuilder(c1, now1, null, null, null);
    int now2 = now1 + 1;
    Row.Builder updateBuilder = createBuilder(c1, now2, BB1, BB1, BB1);
    int now3 = now2 + 1;
    Row.Deletion expectedDeletion = new Row.Deletion(new DeletionTime(secondToTs(now3), now3), false);
    updateBuilder.addRowDeletion(expectedDeletion);
    RowBuilder builder = new RowBuilder();
    Rows.merge(existingBuilder.build(), updateBuilder.build(), builder, now3 + 1);
    Assert.assertEquals(expectedDeletion, builder.deletionTime);
    Assert.assertEquals(LivenessInfo.EMPTY, builder.livenessInfo);
    Assert.assertEquals(Collections.emptyList(), builder.complexDeletions);
    Assert.assertEquals(Collections.emptyList(), builder.cells);
}

Example 9 with DeletionTime

use of org.apache.cassandra.db.DeletionTime in project cassandra by apache.

the class RowsTest method merge.

@Test
public void merge() {
    int now1 = FBUtilities.nowInSeconds();
    Row.Builder existingBuilder = createBuilder(c1, now1, BB1, BB1, BB1);
    int now2 = now1 + 1;
    long ts2 = secondToTs(now2);
    Cell expectedVCell = BufferCell.live(v, ts2, BB2);
    Cell expectedMCell = BufferCell.live(m, ts2, BB2, CellPath.create(BB1));
    DeletionTime expectedComplexDeletionTime = new DeletionTime(ts2 - 1, now2);
    Row.Builder updateBuilder = createBuilder(c1, now2, null, null, null);
    updateBuilder.addCell(expectedVCell);
    updateBuilder.addComplexDeletion(m, expectedComplexDeletionTime);
    updateBuilder.addCell(expectedMCell);
    RowBuilder builder = new RowBuilder();
    long td = Rows.merge(existingBuilder.build(), updateBuilder.build(), builder, now2 + 1);
    Assert.assertEquals(c1, builder.clustering);
    Assert.assertEquals(LivenessInfo.create(ts2, now2), builder.livenessInfo);
    Assert.assertEquals(Lists.newArrayList(Pair.create(m, new DeletionTime(ts2 - 1, now2))), builder.complexDeletions);
    Assert.assertEquals(2, builder.cells.size());
    Assert.assertEquals(Lists.newArrayList(expectedVCell, expectedMCell), Lists.newArrayList(builder.cells));
    Assert.assertEquals(ts2 - secondToTs(now1), td);
}

Example 10 with DeletionTime

use of org.apache.cassandra.db.DeletionTime in project cassandra by apache.

the class RowsTest method collectStats.

@Test
public void collectStats() {
    int now = FBUtilities.nowInSeconds();
    long ts = secondToTs(now);
    Row.Builder builder = BTreeRow.unsortedBuilder(now);
    builder.newRow(c1);
    LivenessInfo liveness = LivenessInfo.create(ts, now);
    builder.addPrimaryKeyLivenessInfo(liveness);
    DeletionTime complexDeletion = new DeletionTime(ts - 1, now);
    builder.addComplexDeletion(m, complexDeletion);
    List<Cell> expectedCells = Lists.newArrayList(BufferCell.live(v, ts, BB1), BufferCell.live(m, ts, BB1, CellPath.create(BB1)), BufferCell.live(m, ts, BB2, CellPath.create(BB2)));
    expectedCells.forEach(builder::addCell);
    // We need to use ts-1 so the deletion doesn't shadow what we've created
    Row.Deletion rowDeletion = new Row.Deletion(new DeletionTime(ts - 1, now), false);
    builder.addRowDeletion(rowDeletion);
    StatsCollector collector = new StatsCollector();
    Rows.collectStats(builder.build(), collector);
    Assert.assertEquals(Lists.newArrayList(liveness), collector.liveness);
    Assert.assertEquals(Sets.newHashSet(rowDeletion.time(), complexDeletion), Sets.newHashSet(collector.deletions));
    Assert.assertEquals(Sets.newHashSet(expectedCells), Sets.newHashSet(collector.cells));
    Assert.assertEquals(2, collector.columnCount);
    Assert.assertFalse(collector.hasLegacyCounterShards);
}