deniskuzZ commented on code in PR #3576:
URL: https://github.com/apache/hive/pull/3576#discussion_r1097065723
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standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/CompactionTxnHandler.java:
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@@ -1577,24 +1590,20 @@ public long findMinTxnIdSeenOpen() throws MetaException
{
}
minOpenTxn = rs.getLong(1);
if (rs.wasNull()) {
- minOpenTxn = -1L;
+ minOpenTxn = Long.MAX_VALUE;
Review Comment:
nope, per javaDoc wasNull reports whether the last column read had a value
of SQL <code>NULL</code>. You must first call one of the getter methods on a
column to try to read its value and then call the method <code>wasNull</code>
to see if the value read was SQL <code>NULL</code>.
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