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Sergey Nuyanzin commented on FLINK-27891: ----------------------------------------- Merged as [e644beac8e5ffe71d9b6185c06ed31050e7c5268|https://github.com/apache/flink/commit/e644beac8e5ffe71d9b6185c06ed31050e7c5268] > Add ARRAY_APPEND and ARRAY_PREPEND supported in SQL & Table API > --------------------------------------------------------------- > > Key: FLINK-27891 > URL: https://issues.apache.org/jira/browse/FLINK-27891 > Project: Flink > Issue Type: Sub-task > Components: Table SQL / API > Reporter: Sergey Nuyanzin > Assignee: Sergey Nuyanzin > Priority: Major > Labels: pull-request-available, stale-assigned > > {{ARRAY_APPEND}} - adds element to the end of the array and returns the > resulting array > {{ARRAY_PREPEND}} - adds element to the beginning of the array and returns > the resulting array > Syntax: > {code:sql} > ARRAY_APPEND( <array> , <new_element> ); > ARRAY_PREPEND( <new_element> , <array> ); > {code} > Arguments: > array: An ARRAY to to add a new element. > new_element: A new element. > Returns: > An array. If array is NULL, the result is NULL. > Examples: > {code:sql} > SELECT array_append(array[1, 2, 3], 4); > -- array[1, 2, 3, 4] > select array_append(cast(null as int array), 2); > -- null > SELECT array_prepend(4, array[1, 2, 3]); > -- array[4, 1, 2, 3] > SELECT array_prepend(null, array[1, 2, 3]); > -- array[null, 1, 2, 3] > {code} > See more: > {{ARRAY_APPEND}} > Snowflake > [https://docs.snowflake.com/en/sql-reference/functions/array_append.html] > PostgreSQL > [https://www.postgresql.org/docs/14/functions-array.html#ARRAY-FUNCTIONS-TABLE] > {{ARRAY_PREPEND}} > Snowflake > [https://docs.snowflake.com/en/sql-reference/functions/array_prepend.html] > PostgreSQL > [https://www.postgresql.org/docs/14/functions-array.html#ARRAY-FUNCTIONS-TABLE] -- This message was sent by Atlassian Jira (v8.20.10#820010)