Yuming Wang created SPARK-27974:
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Summary: Add built-in Aggregate Function: array_agg
Key: SPARK-27974
URL: https://issues.apache.org/jira/browse/SPARK-27974
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Yuming Wang
||Function||Argument Type(s)||Return Type||Partial Mode||Description||
|{{array_agg(_{{expression}}_)}}|any non-array type|array of the argument
type|No|input values, including nulls, concatenated into an array|
|{{array_agg(_{{expression}}_)}}|any array type|same as argument data
type|No|input arrays concatenated into array of one higher dimension (inputs
must all have same dimensionality, and cannot be empty or NULL)|
https://www.postgresql.org/docs/11/functions-aggregate.html
Other DBs:
https://docs.teradata.com/reader/kmuOwjp1zEYg98JsB8fu_A/Xffi_w_BZeSoaXg6Fd76Qw
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