[ https://issues.apache.org/jira/browse/SPARK-23924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16431002#comment-16431002 ]
Kazuaki Ishizaki commented on SPARK-23924: ------------------------------------------ I will work for this. > High-order function: element_at > ------------------------------- > > Key: SPARK-23924 > URL: https://issues.apache.org/jira/browse/SPARK-23924 > Project: Spark > Issue Type: Sub-task > Components: SQL > Affects Versions: 2.3.0 > Reporter: Xiao Li > Priority: Major > > Ref: https://prestodb.io/docs/current/functions/array.html and > https://prestodb.io/docs/current/functions/map.html > * element_at(array<E>, index) → E > Returns element of array at given index. If index > 0, this function provides > the same functionality as the SQL-standard subscript operator ([]). If index > < 0, element_at accesses elements from the last to the first. > * element_at(map<K, V>, key) → V > Returns value for given key, or NULL if the key is not contained in the map. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org