Module casts 

Utilities for casting scalar literals to different data types

This module contains functions for casting ScalarValue literals to different data types, originally extracted from the optimizer’s unwrap_cast module to be shared between logical and physical layers.

Functions

cast_between_timestamp 🔒

Cast a timestamp value from one unit to another

is_supported_binary_type 🔒

is_supported_dictionary_type 🔒

Returns true if unwrap_cast_in_comparison supports casting this value as a dictionary

is_supported_numeric_type 🔒

Returns true if unwrap_cast_in_comparison support this numeric type

is_supported_string_type 🔒

Returns true if unwrap_cast_in_comparison supports casting this value as a string

is_supported_type

Returns true if unwrap_cast_in_comparison supports this data type

try_cast_binary 🔒

try_cast_dictionary 🔒

Attempt to cast to/from a dictionary type by wrapping/unwrapping the dictionary

try_cast_literal_to_type

Convert a literal value from one data type to another

try_cast_numeric_literal 🔒

Convert a numeric value from one numeric data type to another

try_cast_string_literal 🔒