CsvString

class sources.CsvString

Source reading data from CSV strings using Pandas.

sources.CsvString.add_string(csv_string)

Add data to the source.

sources.CsvString.create(csv_string=None, *, time_column, key_column, subsort_column=None, schema=None, grouping_name=None, time_unit=None)

Create a CSV String Source with data.

Parameters:

• csv_string (Optional[str | BytesIO], default: None)

  The CSV string to start from.

• time_column (str)

  The name of the column containing the time.

• key_column (str)

  The name of the column containing the key.

• subsort_column (Optional[str], default: None)

  The name of the column containing the subsort.

  If not provided, the subsort will be assigned by the system.

• schema (Optional[Schema], default: None)

  The schema to use. If not provided, it will be inferred from the input.

• grouping_name (Optional[str], default: None)

  The name of the group associated with each key.

  This is used to ensure implicit joins are only performed between data grouped

  by the same entity.

• time_unit (Optional[TimeUnit], default: None)

  The unit of the time column. One of ns, us, ms, or s.

  If not specified (and not specified in the data), nanosecond will be assumed.