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https://issues.apache.org/jira/browse/CASSANDRA-20313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Caleb Rackliffe updated CASSANDRA-20313:
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Summary: SAI should avoid attempting to index empty values for literals and
types that do not allow them (was: SAI should avoid attempting to index empty
values for literals an types that do not allow them)
> SAI should avoid attempting to index empty values for literals and types that
> do not allow them
> -----------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-20313
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20313
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Feature/SAI
> Reporter: Caleb Rackliffe
> Assignee: Caleb Rackliffe
> Priority: Normal
> Fix For: 5.0.x, 5.x
>
>
> See
> https://issues.apache.org/jira/browse/CASSANDRA-19461?focusedCommentId=17925395&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17925395
> {noformat}
> @Test
> public void testEmptyNonLiteral()
> {
> createTable("CREATE TABLE %s (k int PRIMARY KEY, v int)");
> execute("INSERT INTO %s (k, v) VALUES (0, ?)", EMPTY_BYTE_BUFFER);
> flush();
> createIndex(String.format(CREATE_INDEX_TEMPLATE, 'v')); // fails!!!
> }
> {noformat}
> The index creation will fail with:
> {noformat}
> WARN [SecondaryIndexManagement:1] 2025-02-09 15:11:23,714
> SecondaryIndexManager.java:843 - Index build of
> table_testemptynonliteral_00_v_idx failed. Please run full index rebuild to
> fix it.
> java.util.concurrent.ExecutionException: java.lang.NullPointerException
> at
> org.apache.cassandra.utils.concurrent.AbstractFuture.getWhenDone(AbstractFuture.java:239)
> at
> org.apache.cassandra.utils.concurrent.AbstractFuture.get(AbstractFuture.java:246)
> at
> org.apache.cassandra.index.sai.StorageAttachedIndex.lambda$getInitializationTask$4(StorageAttachedIndex.java:337)
> at org.apache.cassandra.concurrent.FutureTask.call(FutureTask.java:61)
> at org.apache.cassandra.concurrent.FutureTask.run(FutureTask.java:71)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.base/java.lang.Thread.run(Thread.java:829)
> Caused by: java.lang.NullPointerException: null
> at
> org.apache.cassandra.db.tries.InMemoryTrie.putRecursive(InMemoryTrie.java:904)
> at
> org.apache.cassandra.db.tries.InMemoryTrie.putRecursive(InMemoryTrie.java:897)
> at
> org.apache.cassandra.db.tries.InMemoryTrie.putSingleton(InMemoryTrie.java:878)
> at
> org.apache.cassandra.index.sai.disk.v1.segment.SegmentTrieBuffer.add(SegmentTrieBuffer.java:69)
> at
> org.apache.cassandra.index.sai.disk.v1.segment.SegmentBuilder$TrieSegmentBuilder.addInternal(SegmentBuilder.java:90)
> at
> org.apache.cassandra.index.sai.disk.v1.segment.SegmentBuilder.add(SegmentBuilder.java:195)
> at
> org.apache.cassandra.index.sai.disk.v1.SSTableIndexWriter.addTerm(SSTableIndexWriter.java:208)
> at
> org.apache.cassandra.index.sai.disk.v1.SSTableIndexWriter.addRow(SSTableIndexWriter.java:99)
> at
> org.apache.cassandra.index.sai.disk.StorageAttachedIndexWriter.addRow(StorageAttachedIndexWriter.java:257)
> at
> org.apache.cassandra.index.sai.disk.StorageAttachedIndexWriter.nextUnfilteredCluster(StorageAttachedIndexWriter.java:131)
> at
> org.apache.cassandra.index.sai.StorageAttachedIndexBuilder.indexSSTable(StorageAttachedIndexBuilder.java:188)
> at
> org.apache.cassandra.index.sai.StorageAttachedIndexBuilder.build(StorageAttachedIndexBuilder.java:118)
> at
> org.apache.cassandra.db.compaction.CompactionManager$13.run(CompactionManager.java:1905)
> {noformat}
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