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https://issues.apache.org/jira/browse/CASSANDRA-4744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13467791#comment-13467791
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Jason Wellonen commented on CASSANDRA-4744:
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The problem is, a client that implemented execute_cql cannot recover from this.
My application just pauses indefinitely. Do you have a recommendation to work
around this problem?
Even the cqlsh utility does not handle this condition gracefully. When you are
presented with the ellipses, what do you enter to complete the input?
> Non-escaped single quotes causes CQL to hang
> --------------------------------------------
>
> Key: CASSANDRA-4744
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4744
> Project: Cassandra
> Issue Type: Improvement
> Environment: Cassandra 1.1.5, RHEL 6.3 x86_64
> Reporter: Jason Wellonen
>
> Single quotes in string literals cause CQL to wait indefinitely. This
> behavior is inherited by clients implementing execute_cql. The end result is
> a client application that stops responding.
> For example, the following is entered in cqlsh (notice the ellipses):
> cqlsh:Keyspace1> INSERT INTO Test1 (testId, test1) VALUES
> (1566bb5d-9093-4abd-bcaa-e1ac90b94a47, 'This is a test with Cassandra's
> reserved characters') USING CONSISTENCY LOCAL_QUORUM;
> ...
> This continues until ctrl-c is issued.
> I would expect a "Bad Request" message returned immediately, which is the
> behavior here:
> cqlsh:Keyspace1> INSERT INTO Test1 (testId, test1) VALUES
> (7dcf9529-b57b-4d1d-a396-cff9bc98abb2, 'This is a test without the closing
> parenthesis in the values section of the insert statement.' USING CONSISTENCY
> LOCAL_QUORUM;
> Bad Request: line 1:176 missing ')' at 'USING'
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