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Paul Rogers <par0328@yahoo.com>
committed
on 21 Feb
DRILL-7601: Shift column conversion to reader from scan framework
Allows the column writers to be generic, moves scan-specific
conversions i… Show more
DRILL-7601: Shift column conversion to reader from scan framework

Allows the column writers to be generic, moves scan-specific

conversions into each reader where needed, implemented in

a reader-specific way.

Adds a revised way of handling projections in the result set

loader that is not coupled with conversion, as the prior

design was.

Updates the CSV, Avro, Log and HDF5 readers.

closes #1993

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