Calculates the length of the input string in bytes.

Syntax

OCTET_LENGTH(<expression>)

Parameters

ParameterDescriptionSupported input types
<expression>The string or binary data for which to return the length.TEXT, BYTEA

Return Type

INTEGER

Example

Use the OCTET_LENGTH to find the length of any string in bytes, such as:

SELECT LENGTH('🔥')

Returns: 4

Because the UTF8 encoding of ’🔥’ has the byte sequence 0xF0 0x9F 0x94 0xA5.