Quanlong Huang created IMPALA-11885:
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Summary: Support COPY TESTCASE statement for kudu tables
Key: IMPALA-11885
URL: https://issues.apache.org/jira/browse/IMPALA-11885
Project: IMPALA
Issue Type: New Feature
Components: Catalog, Frontend
Reporter: Quanlong Huang
IMPALA-5872 introduces the COPY TESTCASE TO/FROM statements to collect required
metadata of a query from a remote cluster. So we don't need to manually collect
table/view schemas by SHOW CREATE TABLE statements. The metadata can be loaded
and use to plan the original query.
However, kudu tables are not supported well. Not all the required metadata are
collected since Impala doesn't cache the range partitions and tablet locations.
We need to extend COPY TESTCASE TO statement to also collect these information.
We should also modify KuduScanNode to reuse these information when
PLANNER_DEBUG_MODE=true.
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