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Posted to dev@flink.apache.org by "godfrey he (JIRA)" <ji...@apache.org> on 2019/05/31 01:57:00 UTC

[jira] [Created] (FLINK-12685) Supports UNNEST query in blink planner

godfrey he created FLINK-12685:
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             Summary: Supports UNNEST query in blink planner
                 Key: FLINK-12685
                 URL: https://issues.apache.org/jira/browse/FLINK-12685
             Project: Flink
          Issue Type: New Feature
          Components: Table SQL / Planner
            Reporter: godfrey he
            Assignee: godfrey he


this issue aim to support queries with UNNEST keyword, which relate to nested fields.
for example: 
table name: 
MyTable

schema: 
a: int, b int, c array[int]

sql:
SELECT a, b, s FROM MyTable, UNNEST(MyTable.c) AS A (s)



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