Andres de la Peña created CASSANDRA-18652:
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Summary: Improve vector value validation errors
Key: CASSANDRA-18652
URL: https://issues.apache.org/jira/browse/CASSANDRA-18652
Project: Cassandra
Issue Type: Improvement
Components: Cluster/Schema
Reporter: Andres de la Peña
Assignee: Andres de la Peña
Some of the error messages shown when trying to bind a vector column with a
wrong value are a bit obscure. For example, if we try to write a value with the
wrong number of dimensions:
{code}
createTable("CREATE TABLE %s (pk int primary key, value vector<int, 2>)");
execute("INSERT INTO %s (pk, value) VALUES (0, ?)", vector(1));
{code}
The error is:
{code}
java.lang.IndexOutOfBoundsException: Attempted to read 4, but the size is 0
{code}
I understand that we cannot provide a lot of information about a
non-understandable bind value, since we don't even know whether it's a vector
or something entirely different. But we could try to improve it a bit and throw
a {{MarshalException}} that will be translated to a
{{InvalidRequestException}}, and provide generic messages similar to those used
by collections:
{code}
InvalidRequestException: Not enough bytes to read a vector<int, 2>
{code}
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