raminqaf commented on code in PR #29617:
URL: https://github.com/apache/flink/pull/29617#discussion_r4401636249
##########
docs/data/sql_functions.yml:
##########
@@ -1451,13 +1451,69 @@ variant:
- 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.
+ If the VARIANT is an array, returns a VARIANT holding the element at the
index. The index
+ starts at 1. If the index is out of range, returns NULL. If the VARIANT
is not an array, an
+ error is thrown. To return NULL instead, use `VARIANT_GET`.
- 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
- the associated value is returned. Otherwise, NULL is returned.
+ If the VARIANT is an object that has a field with this key, returns a
VARIANT holding the
+ value of the field. If the object has no such field, returns NULL. If
the VARIANT is not an
+ object, an error is thrown. To return NULL instead, use `VARIANT_GET`.
+ - sql: VARIANT_GET(variant, path[, type])
Review Comment:
done
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