tkalkirill commented on code in PR #1800:
URL: https://github.com/apache/ignite-3/pull/1800#discussion_r1146280090
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modules/table/src/main/java/org/apache/ignite/internal/table/distributed/StorageUpdateHandler.java:
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@@ -416,4 +416,39 @@ public void addToIndexes(@Nullable BinaryRow binaryRow,
RowId rowId) {
public void waitIndexes() {
indexes.get();
}
+
+ /**
+ * Builds an index for all versions of a row.
+ *
+ * <p>Index is expected to exist, skips the tombstones.
+ *
+ * @param indexId Index ID.
+ * @param rowUuids Row uuids.
+ * @param finish Index build completion flag.
+ */
+ public void buildIndex(UUID indexId, List<UUID> rowUuids, boolean finish) {
+ TableSchemaAwareIndexStorage index = indexes.get().get(indexId);
+
+ assert index != null : "indexId=" + indexId + ", partitionId=" +
partitionId;
+
+ RowId lastRowId = null;
+
+ for (UUID rowUuid : rowUuids) {
+ lastRowId = new RowId(partitionId, rowUuid);
+
+ try (Cursor<ReadResult> cursor = storage.scanVersions(lastRowId)) {
+ while (cursor.hasNext()) {
+ ReadResult next = cursor.next();
+
+ if (!next.isEmpty()) {
+ index.put(next.binaryRow(), lastRowId);
+ }
+ }
+ }
+ }
+
+ assert lastRowId != null || finish : "indexId=" + indexId + ",
partitionId=" + partitionId;
Review Comment:
So that the construction of the index in the raft group is consistent and
does not require additional actions.
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