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https://issues.apache.org/jira/browse/CASSANDRA-20213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17927250#comment-17927250
]
Caleb Rackliffe commented on CASSANDRA-20213:
---------------------------------------------
[~e.dimitrova] I was talking to [~adelapena], and think we're going to have
very much the same issue w/ CASSANDRA-18112 needing to bump the messaging
version.
> ALLOW FILTERING queries rejected while index is being built
> -----------------------------------------------------------
>
> Key: CASSANDRA-20213
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20213
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Feature/SAI
> Reporter: Ekaterina Dimitrova
> Priority: Normal
> Fix For: 5.0.x, 5.x
>
>
> Below test was added to AllowFilteringTest on cassandra-5.0 branch:
> {code:java}
> private Injections.Barrier blockIndexBuild =
> Injections.newBarrier("block_index_build", 2, false)
>
> .add(InvokePointBuilder.newInvokePoint().onClass(StorageAttachedIndex.class)
>
> .onMethod("startInitialBuild"))
>
>
> .build();
> @Test
> public void testAllowFilteringDuringIndexBuild() throws Throwable
> {
> createTable("CREATE TABLE %s (k int PRIMARY KEY, v int)");
> Injections.inject(blockIndexBuild);
> execute("SELECT * FROM %s WHERE v=0 ALLOW FILTERING");
> String idx = createIndexAsync(String.format("CREATE CUSTOM INDEX ON
> %%s(v) USING '%s'", StorageAttachedIndex.class.getName()));
> assertThatThrownBy(() -> execute("SELECT * FROM %s WHERE v=0"))
> .hasMessage("The secondary index '" + idx + "' is not yet available")
> .isInstanceOf(IndexNotAvailableException.class);
> execute("SELECT * FROM %s WHERE v=0 ALLOW FILTERING"); //this should work
> while building
> blockIndexBuild.countDown();
> blockIndexBuild.disable();
> waitForIndexQueryable(idx);
> execute("SELECT * FROM %s WHERE v=0");
> execute("SELECT * FROM %s WHERE v=0 ALLOW FILTERING");
> }
> {code}
> It fails as follows:
> {code:java}
> org.apache.cassandra.index.IndexNotAvailableException: The secondary index
> 'table_testallowfilteringduringindexbuild_00_v_idx' is not yet available
> at
> org.apache.cassandra.index.SecondaryIndexManager.checkQueryability(SecondaryIndexManager.java:318)
> at
> org.apache.cassandra.db.ReadCommand.executeLocally(ReadCommand.java:437)
> at
> org.apache.cassandra.db.AbstractReadQuery.executeInternal(AbstractReadQuery.java:65)
> at
> org.apache.cassandra.db.ReadCommand.executeInternal(ReadCommand.java:89)
> at
> org.apache.cassandra.cql3.statements.SelectStatement.executeInternal(SelectStatement.java:604)
> at
> org.apache.cassandra.cql3.statements.SelectStatement.executeLocally(SelectStatement.java:576)
> at
> org.apache.cassandra.cql3.statements.SelectStatement.executeLocally(SelectStatement.java:108)
> at
> org.apache.cassandra.cql3.QueryProcessor.executeInternal(QueryProcessor.java:452)
> at
> org.apache.cassandra.cql3.CQLTester.executeFormattedQuery(CQLTester.java:1633)
> at org.apache.cassandra.index.sai.SAITester.execute(SAITester.java:614)
> at
> org.apache.cassandra.index.sai.cql.AllowFilteringTest.testAllowFilteringDuringIndexBuild(AllowFilteringTest.java:56)
> {code}
> This would break cases when people migrate from allow filtering to using an
> index. We should probably fix that by falling back to ALLOW FILTERING when
> index status is FULL_REBUILD_STARTED and DROPPED.
> CC [~maedhroz]
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