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Posted to issues@flink.apache.org by "Timo Walther (JIRA)" <ji...@apache.org> on 2018/02/06 12:24:00 UTC
[jira] [Created] (FLINK-8564) SELECT DISTINCT without aggregations
should not require a retract stream
Timo Walther created FLINK-8564:
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Summary: SELECT DISTINCT without aggregations should not require a retract stream
Key: FLINK-8564
URL: https://issues.apache.org/jira/browse/FLINK-8564
Project: Flink
Issue Type: Improvement
Components: Table API & SQL
Reporter: Timo Walther
A pure {{SELECT DISTINCT}} statement without aggregation functions should not require a retract stream. This is a valid append stream:
{code}
SELECT DISTINCT aid1, aid2, advertiser_id, platform_id FROM CsvTable
{code}
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