like()#

relationalai.std.strings
like(string: str | Producer, pattern: str | Producer) -> Expression

Checks if a string matches a SQL LIKE pattern. The % character acts as a wildcard, matching any sequence of characters. Must be called in a rule or query context.

Parameters#

NameTypeDescription
stringstr or ProducerThe string to match against.
patternstr or ProducerA SQL LIKE pattern.

Returns#

An Expression object.

Example#

import relationalai as rai
from relationalai.std.strings import like

# Create a model named "people" with a Person type.
model = rai.Model("people")
Person = model.Type("Person")

# Add some people to the model.
with model.rule():
    alice = Person.add(name="Alice")
    bob = Person.add(name="Bob")

# Get all people whose name contains 'li'.
with model.query() as select:
    person = Person()
    like(person.name, "%li%")
    response = select(person.name)

print(response.results)
# Output:
#     name
# 0  Alice

See Also#