LPAD

Uses a given padstring to left pad a string to a certain size.

Syntax

LPAD(STRING, SIZE, PADSTRING)

Arguments

STRING

Type: string

The string to be padded.

SIZE

Type: bigint

A non-negative integer specifying the length of the result string.

PADSTRING

Type: string

The string to use for padding. This must be non-empty.

Returns

Type: string

STRING left padded to SIZE with PADSTRING.

If SIZE is less than the length of STRING, the result is truncated to SIZE characters.

Examples

STRING	SIZE	PADSTRING	Output
Call me Ishmael. Some years ago	7		Call me
drizzly November	16	.	drizzly November
right	1		r
what	9	?!	?!?!?what
null	9	''	null
hi	5	five	fivhi
hi	10	five	fivefivehi

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 
        customer_firstname,
        LPAD(customer_firstname, 10, 'x') AS padded_firstname
    FROM default_glue_catalog.upsolver_samples.orders_raw_data 
    WHERE time_filter()
    LIMIT 3;

Query result

customer_firstname	padded_firstname
Donna	xxxxxDonna
Lawrence	xxLawrence
Julie	xxxxxJulie