Query  type: query

class lumen.transforms.base.Query(*, query, controls, name)

Query applies the pandas.DataFrame.query method.

df.query(<query>)

---

Parameters

query

type: str
default: ''
The query to apply to the table.

---

Methods

Query.apply(table: DataFrame) → DataFrame

Given a table transform it in some way and return it.

Parameters:

table (DataFrame) – The queried table as a DataFrame.

Returns:

A DataFrame containing the transformed data.

Return type:

DataFrame

Query.to_spec(context: Dict[str, Any] | None = None) → Dict[str, Any]

Exports the full specification to reconstruct this component.

Return type:

Resolved and instantiated Component object