module pixeltable.functions.uuid

Pixeltable UDFs for UUID.

udf to_string()

Signature

@pxt.udf
to_string(u: pxt.UUID) -> pxt.String

Convert a UUID to its string representation. Parameters:

Returns:

pxt.String: The string representation of the UUID, in the form xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.

Examples: Convert the UUID column id in an existing table tbl to a string:

tbl.add_computed_column(id_string=to_string(tbl.id))

Signature

@pxt.udf
uuid4() -> pxt.UUID

Generate a random UUID (version 4). Equivalent to uuid.uuid4().

Signature

@pxt.udf
uuid7() -> pxt.UUID

Generate a time-based UUID. Equivalent to uuid.uuid7().

Last modified on January 29, 2026

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