davidradl commented on code in PR #26806:
URL: https://github.com/apache/flink/pull/26806#discussion_r2213650836
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docs/data/sql_functions.yml:
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@@ -1219,6 +1219,35 @@ valueconstruction:
- table: NUMERIC.rows
description: Creates a NUMERIC interval of rows (commonly used in window
creation).
+valuemodification:
+ - sql: OBJECT_UPDATE(object, key, value [, key, value , ...])
+ table: OBJECT.objectUpdate(key, value [, key, value , ...])
+ description: |
+ Updates existing fields in a structured object by providing key-value
pairs.
Review Comment:
I am curious:
- I assume that arrays are not included in this
- are there restrictions on the values, i.e. can they be maps, lists,
objects or arrays. If there are restrictions , we should document them. If
there are no restrictions we should include examples of more complex objects.
- in the example I assume "com.example.User" is a "path".
- could dots in the field name clash with the path?
- could you give an example or pointer to documentaiton around how to
construct these paths in the documentation - examples around nested objects
would be useful - including an array of objects where you want to update the
value of the 3rd object.
- can we set null values.
- if the field is defined as not nullable - do we error if an attempt to put
a null there occurs.
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