Avi Kivity created CASSANDRA-17693:
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Summary: Missing type checking on reused bind variables
Key: CASSANDRA-17693
URL: https://issues.apache.org/jira/browse/CASSANDRA-17693
Project: Cassandra
Issue Type: Bug
Reporter: Avi Kivity
Attachments: bind-var-type-conflict.py
A bind variable gets its type from its context (e.g. in {{INSERT INTO tab(a)
VALUES(:var)}} , {{:var}} has the same type as {{{}tab.a{}}}). But what if the
same variable is used in contexts that have different types? Assume {{a}} and
{{b}} have incompatible types:
{{INSERT INTO ks.tab (id, a, b) VALUES(:id, :a, :a)}}
The server should reject the query, but it doesn't.
I think what happens is that one :a shadows the other, so the other :a can't
even get a value.
More complete reproducer attached.
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