Details
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Sub-task
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Status: Open
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Major
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Resolution: Unresolved
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None
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None
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None
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ghx-label-10
Description
"order by" cannot be pushed down to JDBC right now, but most of tpcds/tpch queries are using "order by ... limit ...", e.g top n. This results JDBC handler to retrieve all rows of remote table on remote database server, hence bad performance.