SourabhBadhya commented on code in PR #4313:
URL: https://github.com/apache/hive/pull/4313#discussion_r1209699076
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standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/CompactionTxnHandler.java:
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@@ -472,23 +506,21 @@ public List<CompactionInfo> findReadyToClean(long
minOpenTxnWaterMark, long rete
@Override
@RetrySemantics.ReadOnly
- public List<CompactionInfo> findReadyToCleanAborts(long
abortedTimeThreshold, int abortedThreshold) throws MetaException {
+ public List<AbortTxnRequestInfo> findReadyToCleanAborts(long
abortedTimeThreshold, int abortedThreshold) throws MetaException {
try {
- List<CompactionInfo> readyToCleanAborts = new ArrayList<>();
+ List<AbortTxnRequestInfo> readyToCleanAborts = new ArrayList<>();
try (Connection dbConn =
getDbConn(Connection.TRANSACTION_READ_COMMITTED, connPoolCompaction);
Statement stmt = dbConn.createStatement()) {
boolean checkAbortedTimeThreshold = abortedTimeThreshold >= 0;
- String sCheckAborted = "SELECT \"tc\".\"TC_DATABASE\",
\"tc\".\"TC_TABLE\", \"tc\".\"TC_PARTITION\", " +
- " \"tc\".\"MIN_TXN_START_TIME\", \"tc\".\"ABORTED_TXN_COUNT\",
\"minOpenWriteTxnId\".\"MIN_OPEN_WRITE_TXNID\" FROM " +
- " ( SELECT \"TC_DATABASE\", \"TC_TABLE\", \"TC_PARTITION\", " +
- " MIN(\"TXN_STARTED\") AS \"MIN_TXN_START_TIME\", COUNT(*) AS
\"ABORTED_TXN_COUNT\" FROM \"TXNS\", \"TXN_COMPONENTS\" " +
- " WHERE \"TXN_ID\" = \"TC_TXNID\" AND \"TXN_STATE\" = " +
TxnStatus.ABORTED +
- " GROUP BY \"TC_DATABASE\", \"TC_TABLE\", \"TC_PARTITION\" " +
- (checkAbortedTimeThreshold ? "" : " HAVING COUNT(*) > " +
abortedThreshold) + " ) \"tc\" " +
- " LEFT JOIN ( SELECT MIN(\"TC_TXNID\") AS
\"MIN_OPEN_WRITE_TXNID\", \"TC_DATABASE\", \"TC_TABLE\", \"TC_PARTITION\" FROM
\"TXNS\", \"TXN_COMPONENTS\" " +
- " WHERE \"TXN_ID\" = \"TC_TXNID\" AND \"TXN_STATE\"=" +
TxnStatus.OPEN + " GROUP BY \"TC_DATABASE\", \"TC_TABLE\", \"TC_PARTITION\" )
\"minOpenWriteTxnId\" " +
- " ON \"tc\".\"TC_DATABASE\" =
\"minOpenWriteTxnId\".\"TC_DATABASE\" AND \"tc\".\"TC_TABLE\" =
\"minOpenWriteTxnId\".\"TC_TABLE\"" +
- " AND (\"tc\".\"TC_PARTITION\" =
\"minOpenWriteTxnId\".\"TC_PARTITION\" OR (\"tc\".\"TC_PARTITION\" IS NULL AND
\"minOpenWriteTxnId\".\"TC_PARTITION\" IS NULL))";
+ String firstInnerQuery =
String.format(SELECT_ABORTS_WITH_MIN_OPEN_WRITETXN_QUERY,
+ checkAbortedTimeThreshold ? "" : " HAVING COUNT(*) > " +
abortedThreshold);
Review Comment:
We return an empty string in case of checkAbortTimeThreshold. The time
threshold check is done later on.
See here -
https://github.com/apache/hive/pull/4313/files#diff-5a3b4926af85fd331e1e833b152cacb887e7cb6daa3db49e705d1aa2acf01389L495-L498
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