layout: global title: LIKE Predicate displayTitle: LIKE Predicate license: | Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
A LIKE predicate is used to search for a specific pattern. This predicate also supports multiple patterns with quantifiers include ANY
, SOME
and ALL
.
[ NOT ] { LIKE search_pattern [ ESCAPE esc_char ] | [ RLIKE | REGEXP ] regex_pattern } [ NOT ] { LIKE quantifiers ( search_pattern [ , ... ]) }
search_pattern
Specifies a string pattern to be searched by the LIKE
clause. It can contain special pattern-matching characters:
%
matches zero or more characters._
matches exactly one character.esc_char
Specifies the escape character. The default escape character is \
.
regex_pattern
Specifies a regular expression search pattern to be searched by the RLIKE
or REGEXP
clause.
quantifiers
Specifies the predicate quantifiers include ANY
, SOME
and ALL
. ANY
or SOME
means if one of the patterns matches the input, then return true; ALL
means if all the patterns matches the input, then return true.
CREATE TABLE person (id INT, name STRING, age INT); INSERT INTO person VALUES (100, 'John', 30), (200, 'Mary', NULL), (300, 'Mike', 80), (400, 'Dan', 50), (500, 'Evan_w', 16); SELECT * FROM person WHERE name LIKE 'M%'; +---+----+----+ | id|name| age| +---+----+----+ |300|Mike| 80| |200|Mary|null| +---+----+----+ SELECT * FROM person WHERE name LIKE 'M_ry'; +---+----+----+ | id|name| age| +---+----+----+ |200|Mary|null| +---+----+----+ SELECT * FROM person WHERE name NOT LIKE 'M_ry'; +---+------+---+ | id| name|age| +---+------+---+ |500|Evan_W| 16| |300| Mike| 80| |100| John| 30| |400| Dan| 50| +---+------+---+ SELECT * FROM person WHERE name RLIKE 'M+'; +---+----+----+ | id|name| age| +---+----+----+ |300|Mike| 80| |200|Mary|null| +---+----+----+ SELECT * FROM person WHERE name REGEXP 'M+'; +---+----+----+ | id|name| age| +---+----+----+ |300|Mike| 80| |200|Mary|null| +---+----+----+ SELECT * FROM person WHERE name LIKE '%\_%'; +---+------+---+ | id| name|age| +---+------+---+ |500|Evan_W| 16| +---+------+---+ SELECT * FROM person WHERE name LIKE '%$_%' ESCAPE '$'; +---+------+---+ | id| name|age| +---+------+---+ |500|Evan_W| 16| +---+------+---+ SELECT * FROM person WHERE name LIKE ALL ('%an%', '%an'); +---+----+----+ | id|name| age| +---+----+----+ |400| Dan| 50| +---+----+----+ SELECT * FROM person WHERE name LIKE ANY ('%an%', '%an'); +---+------+---+ | id| name|age| +---+------+---+ |400| Dan| 50| |500|Evan_W| 16| +---+------+---+ SELECT * FROM person WHERE name LIKE SOME ('%an%', '%an'); +---+------+---+ | id| name|age| +---+------+---+ |400| Dan| 50| |500|Evan_W| 16| +---+------+---+ SELECT * FROM person WHERE name NOT LIKE ALL ('%an%', '%an'); +---+----+----+ | id|name| age| +---+----+----+ |100|John| 30| |200|Mary|null| |300|Mike| 80| +---+----+----+ SELECT * FROM person WHERE name NOT LIKE ANY ('%an%', '%an'); +---+------+----+ | id| name| age| +---+------+----+ |100| John| 30| |200| Mary|null| |300| Mike| 80| |500|Evan_W| 16| +---+------+----+ SELECT * FROM person WHERE name NOT LIKE SOME ('%an%', '%an'); +---+------+----+ | id| name| age| +---+------+----+ |100| John| 30| |200| Mary|null| |300| Mike| 80| |500|Evan_W| 16| +---+------+----+