Benjamin Lerer created CASSANDRA-15435:
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Summary: SELECT JSON does not return the correct value for empty
blobs
Key: CASSANDRA-15435
URL: https://issues.apache.org/jira/browse/CASSANDRA-15435
Project: Cassandra
Issue Type: Bug
Components: CQL/Interpreter
Reporter: Benjamin Lerer
In an attempt to fix the side effect of a problem CASSANDRA-13868 was committed
in 2.2.11, 3.0.15, 3.11.1 and trunk.
This patch introduced an issue on how empty values were rendered by {{SELECT
JSON}} queries.
Instead of returning the correct value for the type a null value was now
returned.
A user detected that problem for text column and opened CASSANDRA-14245 to
request a fix for that problem. Unfortunately, I misunderstood the problem and
the fix did not solve the real problem. It only made the code return 'an empty
string instead of null values.
The proper fix is to rollback the changes made for CASSANDRA-13868 and
CASSANDRA-14245.
Some unit tests also need to be added to test the behavior.
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