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https://reviews.apache.org/r/64333/
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Review request for Sqoop.
Bugs: SQOOP-3267
https://issues.apache.org/jira/browse/SQOOP-3267
Repository: sqoop-trunk
Description
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Deletes are supported since SQOOP-3149, but we're only deleting the last
version of a column when the corresponding cell was set to NULL in the source
table.
This can lead to unexpected and misleading results if the row has been
transferred multiple times, which can easily happen if it's being modified on
the source side.
Also SQOOP-3149 is using a new Put command for every column instead of a single
Put per row as before. This could probably lead to a performance drop for wide
tables (for which HBase is otherwise usually recommended).
Diffs
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src/java/org/apache/sqoop/hbase/ToStringPutTransformer.java
20bf1b96c369613672725e171fe9dc0469feb294
Diff: https://reviews.apache.org/r/64333/diff/1/
Testing
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Thanks,
daniel voros
