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