IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« Functions and Operators Logical Operators »
Elastic Docs ›Elasticsearch Guide [8.15] ›SQL ›Functions and Operators

Comparison Operators

edit

Comparison Operators

edit

Boolean operator for comparing against one or multiple expressions.

Equality (=)

edit
SELECT last_name l FROM "test_emp" WHERE emp_no = 10000 LIMIT 5;

Null safe Equality (<=>)

edit
SELECT 'elastic' <=> null AS "equals";

    equals
---------------
false
SELECT null <=> null AS "equals";

    equals
---------------
true

Inequality (<> or !=)

edit
SELECT last_name l FROM "test_emp" WHERE emp_no <> 10000 ORDER BY emp_no LIMIT 5;

Comparison (<, <=, >, >=)

edit
SELECT last_name l FROM "test_emp" WHERE emp_no < 10003 ORDER BY emp_no LIMIT 5;

BETWEEN

edit
SELECT last_name l FROM "test_emp" WHERE emp_no BETWEEN 9990 AND 10003 ORDER BY emp_no;

IS NULL/IS NOT NULL

edit
SELECT last_name l FROM "test_emp" WHERE emp_no IS NOT NULL AND gender IS NULL;

IN (<value1>, <value2>, ...)

edit
SELECT last_name l FROM "test_emp" WHERE emp_no IN (10000, 10001, 10002, 999) ORDER BY emp_no LIMIT 5;
« Functions and Operators Logical Operators »