Scalar Builtin UDF Registration Parameters
The purpose of registering a Scalar Builtin UDF is to obtain the handle of an existing function in the database, with no actual registration operation performed.
Whether it is explicit or implicit registration, for registering a Builtin-type Scalar UDF, you can currently pass the following parameters:
Registration Parameter |
Description |
Type |
Default Value |
---|---|---|---|
name |
Specifies the actual storage name of the UDF in the database. |
str | None |
None |
database |
Specifies the LakeFormation database where the UDF resides. |
str | None |
None |
fn |
Specifies the original Python function of the UDF. |
Callable |
None |
signature (currently unavailable) |
Specifies the UDF function signature and return value type. |
ibis.common.annotations.Signature | None |
None |
Notes:
For the signature parameter, user input is currently not allowed. Only automatic inference of parameter/return value types is supported. See Type Inference of the signature Parameter for details.
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