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Fix LeafMergeQueue for non-consecutive ordinals
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Original file line number | Diff line number | Diff line change |
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(ns xtdb.trie.leaf-merge-queue-test | ||
(:require [clojure.test :as t :refer [deftest]] | ||
[xtdb.util :as util] | ||
[xtdb.vector.writer :as vw]) | ||
(:import (org.apache.arrow.memory RootAllocator) | ||
(xtdb.trie LeafMergeQueue LeafMergeQueue$LeafPointer) | ||
xtdb.vector.IVectorReader)) | ||
|
||
(deftest test-leaf-merge-queue-non-consecutive-ordinals-2714 | ||
(with-open [allocator (RootAllocator.) | ||
rel1 (vw/->rel-writer allocator) | ||
iid-wrt1 (.writerForName rel1 "xt$iid" [:fixed-size-binary 16]) | ||
rel2 (vw/->rel-writer allocator) | ||
iid-wrt2 (.writerForName rel2 "xt$iid" [:fixed-size-binary 16])] | ||
(.writeBytes iid-wrt1 (util/uuid->byte-buffer #uuid "00000000-0000-0000-0000-000000000000")) | ||
(.writeBytes iid-wrt2 (util/uuid->byte-buffer #uuid "01000000-0000-0000-0000-000000000000")) | ||
(.writeBytes iid-wrt1 (util/uuid->byte-buffer #uuid "02000000-0000-0000-0000-000000000000")) | ||
(.writeBytes iid-wrt2 (util/uuid->byte-buffer #uuid "03000000-0000-0000-0000-000000000000")) | ||
(let [lmq (LeafMergeQueue. (byte-array 0) | ||
(into-array IVectorReader | ||
[(vw/vec-wtr->rdr iid-wrt1) | ||
(vw/vec-wtr->rdr iid-wrt2)]) | ||
[(LeafMergeQueue$LeafPointer. 1) | ||
(LeafMergeQueue$LeafPointer. 3)])] | ||
(letfn [(poll-and-advance [] | ||
(let [leaf-ptr (.poll lmq)] | ||
(when leaf-ptr | ||
(.advance lmq leaf-ptr) | ||
(.getOrdinal leaf-ptr))))] | ||
(t/is (= '(1 3 1 3 nil) | ||
(repeatedly 5 poll-and-advance))))))) |