Sam Tunnicliffe created CASSANDRA-10216:
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Summary: Remove target type from internal index metadata
Key: CASSANDRA-10216
URL: https://issues.apache.org/jira/browse/CASSANDRA-10216
Project: Cassandra
Issue Type: Improvement
Reporter: Sam Tunnicliffe
Fix For: 3.0.0 rc1
As part of CASSANDRA-6716 & in anticipation of CASSANDRA-10124, a distinction
was introduced between secondary indexes which target a fixed set of 1 or more
columns in the base data, and those which are agnostic to the structure of the
underlying rows. This distinction is manifested in {{IndexMetadata.targetType}}
and {{system_schema.indexes}}, in the {{target_type}} column. It could be
argued that this distinction complicates the codebase without providing any
tangible benefit, given that the target type is not actually used anywhere.
It's only the impact on {{system_schema.indexes}} that makes puts this on the
critical path for 3.0, any code changes are just implementation details.
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