deephaven.filters¶

This module implement various filters that can be used in deephaven table’s filter operations.

class Filter(j_filter)[source]¶

Bases: deephaven._wrapper.JObjectWrapper

A Filter object represents a filter that can be used in Table’s filtering(where) operations.

classmethod from_(conditions)[source]¶

Creates filter(s) from the given condition(s).

Parameters: conditions (Union[str, List[str]]) – filter condition(s)
Return type: Union[Filter, List[Filter]]
Returns: filter(s)
Raises: DHError –

class RegexFilter(col, pattern)[source]¶

Bases: deephaven.filters.Filter

The RegexFilter is a filter that matches using a regular expression.

classmethod from_(conditions)¶

Creates filter(s) from the given condition(s).

Parameters: conditions (Union[str, List[str]]) – filter condition(s)
Return type: Union[Filter, List[Filter]]
Returns: filter(s)
Raises: DHError –

j_object_type¶: alias of io.deephaven.engine.table.impl.select.RegexFilter

and_(filters)[source]¶

Creates a new filter that evaluates to true when all of the given filters evaluates to true.

not_(filter_)[source]¶

Creates a new filter that evaluates to true when the given filter evaluates to false.

or_(filters)[source]¶

Creates a new filter that evaluates to true when any of the given filters evaluates to true.