uppercase()#

relationalai.std.strings
uppercase(string: Producer) -> Expression

Returns an Expression that produces the uppercase version of the strings produced by the string producer.

Parameters#

NameTypeDescription
stringProducerA producer that produces string values.

Returns#

An Expression object that produce uppercase strings.

Example#

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

# 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 ends with "ice".
with model.query() as select:
    person = Person()
    name_upper = uppercase(person.name)
    response = select(person.name, name_upper)

print(response.results)
# Output:
#     name      v
# 0  Alice  ALICE
# 1    Bob    BOB

See Also#