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FIRST_ELEMENT

Gets the first element in the array
Syntax
FIRST_ELEMENT(input)
Arguments
Name
Type
Description
Default Value
input
any
​
​
Examples
input
Output
null::string
null
array['a', 'b', 'c']
a
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 input,
        FIRST_ELEMENT(input) AS Output
    FROM default_glue_catalog.upsolver_samples.orders_raw_data
    LET input = null::string
    WHERE time_filter()
    LIMIT 1;
Query result
input
Output
null::string
null

Name	Type	Description	Default Value
input	any

input	Output
null::string	null
array['a', 'b', 'c']	`a`

input	Output
null::string	null

ELEMENT_AT

LAST_ELEMENT

Last modified 3mo ago