daft.expressions.StringMethodAccessor.startswith#

StringMethodAccessor.startswith(pattern: str) daft.expressions.CallExpression[source]#

Checks whether each string starts with the given pattern in a string column

Example

>>> col("x").str.startswith("foo")
Parameters

pattern (str) – pattern to search for

Returns

a LOGICAL expression indicating whether each value starts with the provided pattern

Return type

CallExpression