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Class ReadRowsPage (2.17.0)
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Version 2.17.0 keyboard_arrow_down
ReadRowsPage ( stream_parser , message )
An iterator of rows from a read session message.
Parameters
Properties
num_items
int: Total items in the page.
remaining
int: Remaining items in the page.
Methods
__iter__
A ReadRowsPage
is an iterator.
__next__
Get the next row in the page.
next
Get the next row in the page.
to_arrow
Create an pyarrow.RecordBatch
of rows in the page.
Returns
Type Description pyarrow.RecordBatch
Rows from the message, as an Arrow record batch.
to_dataframe
to_dataframe ( dtypes = None )
Create a pandas.DataFrame
of rows in the page.
This method requires the pandas libary to create a data frame and the
fastavro library to parse row messages.
Warning:
DATETIME columns are not supported. They are currently parsed as
strings in the fastavro library.
Parameter
Name Description dtypes
Map[str, Union[str, pandas.Series.dtype]]
Optional. A dictionary of column names pandas dtype
s. The provided dtype
is used when constructing the series for the column specified. Otherwise, the default pandas behavior is used.
Returns
Type Description pandas.DataFrame
A data frame of all rows in the stream.
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Last updated 2024-10-01 UTC.
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{"lastModified": "Last updated 2024-10-01 UTC."}
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