Examples with INDEX_ROOT_PAGE_RENAME_RECORD org.apache.ignite.internal.pagemem.wal.record.WALRecord.RecordType.INDEX_ROOT_PAGE_RENAME_RECORD used on opensource projects

Example 1 with INDEX_ROOT_PAGE_RENAME_RECORD

use of org.apache.ignite.internal.pagemem.wal.record.WALRecord.RecordType.INDEX_ROOT_PAGE_RENAME_RECORD in project ignite by apache.

the class RenameIndexTreeTest method testRenameFromTask.

/**
 * Checking the correctness of {@link DurableBackgroundCleanupIndexTreeTaskV2#findIndexRootPages}
 * and {@link DurableBackgroundCleanupIndexTreeTaskV2#renameIndexRootPages}.
 *
 * @throws Exception If failed.
 */
@Test
public void testRenameFromTask() throws Exception {
    IgniteEx n = startGrid(0);
    IgniteCache<Integer, Person> cache = n.cache(DEFAULT_CACHE_NAME);
    populate(cache, 100);
    String idxName = "IDX0";
    createIdx(cache, idxName);
    SortedIndexDefinition idxDef = indexDefinition(index(n, cache, idxName));
    GridCacheContext<Integer, Person> cctx = cacheContext(cache);
    String oldTreeName = idxDef.treeName();
    int segments = idxDef.segments();
    assertExistIndexRoot(cache, oldTreeName, segments, true);
    Map<Integer, RootPage> rootPages0 = findIndexRoots(cache, oldTreeName, segments);
    Map<Integer, RootPage> rootPages1 = findIndexRootPages(cctx.group(), cctx.name(), oldTreeName, segments);
    assertEqualsCollections(toPageIds(rootPages0), toPageIds(rootPages1));
    long currSegIdx = walMgr(n).currentSegment();
    String newTreeName = UUID.randomUUID().toString();
    renameIndexRootPages(cctx.group(), cctx.name(), oldTreeName, newTreeName, segments);
    assertExistIndexRoot(cache, oldTreeName, segments, false);
    assertExistIndexRoot(cache, newTreeName, segments, true);
    assertTrue(findIndexRootPages(cctx.group(), cctx.name(), oldTreeName, segments).isEmpty());
    rootPages0 = findIndexRoots(cache, newTreeName, segments);
    rootPages1 = findIndexRootPages(cctx.group(), cctx.name(), newTreeName, segments);
    assertEqualsCollections(toPageIds(rootPages0), toPageIds(rootPages1));
    WALPointer start = new WALPointer(currSegIdx, 0, 0);
    IgniteBiPredicate<WALRecord.RecordType, WALPointer> pred = (t, p) -> t == INDEX_ROOT_PAGE_RENAME_RECORD;
    try (WALIterator it = walMgr(n).replay(start, pred)) {
        List<WALRecord> records = stream(it.spliterator(), false).map(IgniteBiTuple::get2).collect(toList());
        assertEquals(1, records.size());
        IndexRenameRootPageRecord record = (IndexRenameRootPageRecord) records.get(0);
        assertEquals(cctx.cacheId(), record.cacheId());
        assertEquals(oldTreeName, record.oldTreeName());
        assertEquals(newTreeName, record.newTreeName());
        assertEquals(segments, record.segments());
    }
}