deniskuzZ commented on code in PR #4091:
URL: https://github.com/apache/hive/pull/4091#discussion_r1161759075
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standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnUtils.java:
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@@ -82,7 +82,29 @@ public static ValidTxnList
createValidTxnListForCleaner(GetOpenTxnsResponse txns
bitSet.set(0, abortedTxns.length);
//add ValidCleanerTxnList? - could be problematic for all the places that
read it from
// string as they'd have to know which object to instantiate
- return new ValidReadTxnList(abortedTxns, bitSet, highWaterMark,
Long.MAX_VALUE);
+ return new ValidReadTxnList(abortedTxns, bitSet, highWatermark,
Long.MAX_VALUE);
+ }
+
+ public static ValidTxnList
createValidTxnListForAbortedTxnCleaner(GetOpenTxnsResponse txns, long
minOpenTxn) {
+ long highWatermark = minOpenTxn - 1;
+ long[] exceptions = new long[txns.getOpen_txnsSize()];
+ int i = 0;
+ BitSet abortedBits = BitSet.valueOf(txns.getAbortedBits());
+ // getOpen_txns() guarantees that the list contains only aborted & open
txns.
+ // exceptions list must contain both txn types since validWriteIdList
filters out the aborted ones and valid ones for that table.
+ // If a txn is not in exception list, it is considered as a valid one and
thought of as an uncompacted write.
+ // See TxnHandler#getValidWriteIdsForTable() for more details.
+ for(long txnId : txns.getOpen_txns()) {
Review Comment:
reformat, missing space
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