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ARRAY_JOIN

Concatenates the elements of the given array using the specified delimiter.

Syntax

ARRAY_JOIN(X, DELIMITER)

Arguments

X

Type: array
An array of any value type.

DELIMITER

Type: string
The delimiter used to join the values within the array.

Returns

Type: string
The values of the array X joined with DELIMITER.

Examples

X
DELIMITER
Output
[a, b, c]
,
a,b,c
[5.5]
,
5.5
[hello, NULL, world]
hello world
[brave, NULL, world]
new
brave new world
[3,6,1,2]
,
3,6,1,2
[5.5]
NULL
NULL

Transformation job example

SQL

CREATE JOB function_operator_example
ADD_MISSING_COLUMNS = true
AS INSERT INTO default_glue_catalog.upsolver_samples.orders_transformed_data MAP_COLUMNS_BY_NAME
SELECT
ARRAY_JOIN(ARRAY['hello', null::string ,'world'], ' ') AS join_example
FROM default_glue_catalog.upsolver_samples.orders_raw_data
WHERE time_filter()
GROUP BY shippinginfo_address_state
LIMIT 1;

Query result

join_example
hello world