Owen O'Malley created ORC-620:
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Summary: Modify the row filter API to use BiFunction
Key: ORC-620
URL: https://issues.apache.org/jira/browse/ORC-620
Project: ORC
Issue Type: Bug
Reporter: Owen O'Malley
Assignee: Owen O'Malley
The current API for row filtering has a couple of issues:
* The filter function is passed a VectorizedRowBatch instead of a
MutableFilterContext.
* The filter needs to know the precise location for the fields it needs out of
the schema.
I'd like to propose changing it from:
{code:java}Consumer<VectorizedRowBatch>{code}
to
{code:java}BiFunction<ColumnVector[], MutableFilterContext, Boolean>{code}
That has the advantage that the data that the function should read is
explicitly passed to it and we remove the dependence on VectorizedRowBatch.
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