LENGTH (Lakehouse v1)

Returns the length of a given input string or binary value. In the case of strings, the length represents the count of characters, with each UTF-8 character considered as a single character. For binary data, the length corresponds to the number of bytes.

Analyze Syntax

func.length(<expr>)

Analyze Examples

func.length('Hello')
┌──────────────────────┐
│ func.length('Hello') │
├──────────────────────┤
│                    5 │
└──────────────────────┘

SQL Syntax

LENGTH(<expr>)

Aliases

• CHAR_LENGTH
• CHARACTER_LENGTH
• LENGTH_UTF8

Return Type

BIGINT

SQL Examples

SELECT LENGTH('Hello'), LENGTH_UTF8('Hello'), CHAR_LENGTH('Hello'), CHARACTER_LENGTH('Hello');

┌───────────────────────────────────────────────────────────────────────────────────────────┐
│ length('hello') │ length_utf8('hello') │ char_length('hello') │ character_length('hello') │
├─────────────────┼──────────────────────┼──────────────────────┼───────────────────────────┤
│               5 │                    5 │                    5 │                         5 │
└───────────────────────────────────────────────────────────────────────────────────────────┘