Module expr 

Functions

build_proto_lit 🔒

from_scalar_fn_to_df_fn_impl 🔒

Convert [ScalarFunction] to corresponding Datafusion’s [PhysicalExpr]

is_proto_literal 🔒

proto_col 🔒

Return an [Expression](wrapped in a [FunctionArgument]) that references the i-th column of the input relation

rewrite_scalar_function 🔒

rewrite ScalarFunction’s arguments to Columns 0..n so nested exprs are still handled by us instead of datafusion

typename_to_cdt 🔒

ref to arrow_schema::datatype for type name