Scalar FunctionsType Functions

isempty

Returns true if the argument is an empty string or is null.

Syntax

isempty(value)

Prop

Type

Returns: bool

print isempty('')

print_0 (bool)
true

print isempty('Valhalla')

print_0 (bool)
false

estimate_data_size

Estimates the data size in bytes for the specified columns.

isnotempty

Returns true if the argument is not an empty string and is not null.