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 $commit_time BETWEEN run_start_time() AND run_end_time()
    LIMIT 3;

Query result

customer_firstname	padded_firstname
Donna	xxxxxDonna
Lawrence	xxLawrence
Julie	xxxxxJulie