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https://issues.apache.org/jira/browse/CASSANDRA-16224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yifan Cai updated CASSANDRA-16224:
----------------------------------
Bug Category: Parent values: Availability(12983)Level 1 values: Process
Crash(12992)
Complexity: Low Hanging Fruit
Discovered By: Adhoc Test
Severity: Normal
Status: Open (was: Triage Needed)
> InvalidQueryException: Order by on unknown column From cassandra-diff
> ---------------------------------------------------------------------
>
> Key: CASSANDRA-16224
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16224
> Project: Cassandra
> Issue Type: Bug
> Components: Tool/diff
> Reporter: Yifan Cai
> Priority: Normal
>
> Diff job fails with the following error,
> {code:java}
> Caused by:
> shaded.com.datastax.driver.core.exceptions.InvalidQueryException: Order by on
> unknown column <column_name>
> at
> shaded.com.datastax.driver.core.exceptions.InvalidQueryException.copy(InvalidQueryException.java:49)
> at
> shaded.com.datastax.driver.core.DriverThrowables.propagateCause(DriverThrowables.java:35)
> at
> shaded.com.datastax.driver.core.AbstractSession.prepare(AbstractSession.java:97)
> at mme.cassandraclient.SessionWrapper.prepare(SessionWrapper.java:215)
> at
> org.apache.cassandra.diff.DiffCluster.getFullStatement(DiffCluster.java:272)
> at
> org.apache.cassandra.diff.DiffCluster.getStatementForTable(DiffCluster.java:204)
> at org.apache.cassandra.diff.DiffCluster.keyReader(DiffCluster.java:188)
> at
> org.apache.cassandra.diff.DiffCluster.fetchPartitionKeys(DiffCluster.java:125)
> at
> org.apache.cassandra.diff.DiffCluster.lambda$getPartitionKeys$0(DiffCluster.java:114)
> at org.apache.cassandra.diff.RetryStrategy.retry(RetryStrategy.java:21)
> at
> org.apache.cassandra.diff.DiffCluster.getPartitionKeys(DiffCluster.java:113)
> {code}
> The cause is that when building the select query, the ordered-by column names
> are not quoted. The server only sees the field names in lowercase, and it is
> unable to recognize.
> A simple unit test to prove that the field name needs to be quoted in the
> query builder in order to have the built query preserve the quotes.
> {code:java}
> query = "SELECT * FROM t WHERE a='foo' ORDER BY \"bCol\" DESC;";
> select = select().from("t").where(eq("a", "foo")).orderBy(desc("\"bCol\""));
> assertEquals(select.toString(), query);
> {code}
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