ES|QL LENGTH function
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Serverless
Generally available
Stack
Generally available
Returns the character length of a string.
string-
String expression. If
null, the function returnsnull.
Returns the character length of a string.
All strings are in UTF-8, so a single character can use multiple bytes.
| string | result |
|---|---|
| keyword | integer |
| text | integer |
FROM airports
| WHERE country == "India"
| KEEP city
| EVAL fn_length = LENGTH(city)
| city:keyword | fn_length:integer |
|---|---|
| Agwār | 5 |
| Ahmedabad | 9 |
| Bangalore | 9 |