Module expr_fn
Source - arrow_cast
- Returns value2 if value1 is NULL; otherwise it returns value1
- arrow_typeof
- Returns the Arrow type of the input expression.
- coalesce
- Returns
coalesce(args...), which evaluates to the value of the first expr which is not NULL - get_field
- Returns the value of the field with the given name from the struct
- greatest
- Returns
greatest(args...), which evaluates to the greatest value in the list of expressions or NULL if all the expressions are NULL - least
- Returns
least(args...), which evaluates to the smallest value in the list of expressions or NULL if all the expressions are NULL - named_struct
- Returns a struct with the given names and arguments pairs
- nullif
- Returns NULL if value1 equals value2; otherwise it returns value1. This can be used to perform the inverse operation of the COALESCE expression
- nvl
- Returns value2 if value1 is NULL; otherwise it returns value1
- nvl2
- Returns value2 if value1 is not NULL; otherwise, it returns value3.
- struct
- Returns a struct with the given arguments