Module logical_expr 

Extends logical expression.

Functions

coerce_expr

Coerce expression of literals to column type.

coerce_filter_type_to_boolean

Coerce logical expression for filters to boolean.

field_path_to_expr

Convert a field path string into a DataFusion expression.

get_as_string_scalar_opt

A simple helper function that interprets an Expr as a string scalar or returns None if it is not.

resolve_column_type

Given a column or nested get_field expression, get the data type of the referenced field in the schema.

resolve_expr

Resolve logical expression expr.