davidradl commented on code in PR #27330:
URL: https://github.com/apache/flink/pull/27330#discussion_r2732086234
##########
docs/data/sql_functions.yml:
##########
@@ -1167,6 +1167,16 @@ variant:
parser will keep the last occurrence of all fields with the same key,
otherwise when
`allowDuplicateKeys` is false it will throw an error. The default value
of
`allowDuplicateKeys` is false.
+ - sql: variant '[' INT ']'
+ table: VARIANT.at(INT)
+ description: |
+ If the VARIANT is an ARRAY value, returns a VARIANT whose value is the
element at
+ the specified index. The index starts from 1, If the index is out of
range, it returns NULL.
+ - sql: variant '[' STRING ']'
+ table: VARIANT.at(STRING)
+ description: |
+ If the VARIANT is a MAP value that has an element with this key, a
VARIANT holding
Review Comment:
I am curious if there are duplicate keys I assume one (the last maybe) will
be used here. If would be worth extending the words to be explicit about this
scenario.
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