Public Member Functions
def	__init__ (self, Iterable[ColumnDef] packedColumns)

pandas.DataFrame	__call__ (self, List[str] colnames, List[Tuple] rows)

Public Attributes
	packedColumns

Detailed Description

Create pandas DataFrame from Cassandra result set.

Parameters
----------
packedColumns : `list` [ `ColumnDef` ]
    Column definitions for packed columns.

Definition at line 305 of file apdbCassandra.py.

Constructor & Destructor Documentation

◆ init()

def lsst.dax.apdb.apdbCassandra._PandasRowFactory.__init__	(		self,
		Iterable[ColumnDef]	packedColumns
	)

Definition at line 313 of file apdbCassandra.py.

     def __init__(self, packedColumns: Iterable[ColumnDef]):
         self.packedColumns = list(packedColumns)
  

Member Function Documentation

◆ call()

pandas.DataFrame lsst.dax.apdb.apdbCassandra._PandasRowFactory.__call__	(		self,
		List[str]	colnames,
		List[Tuple]	rows
	)

Convert result set into output catalog.

Parameters
----------
colname : `list` [ `str` ]
    Names of the columns.
rows : `list` of `tuple`
    Result rows

Returns
-------
catalog : `pandas.DataFrame`
    DataFrame with the result set.

Definition at line 316 of file apdbCassandra.py.

     def __call__(self, colnames: List[str], rows: List[Tuple]) -> pandas.DataFrame:
         """Convert result set into output catalog.
  
         Parameters
         ----------
         colname : `list` [ `str` ]
             Names of the columns.
         rows : `list` of `tuple`
             Result rows
  
         Returns
         -------
         catalog : `pandas.DataFrame`
             DataFrame with the result set.
         """
         return _rows_to_pandas(colnames, rows, self.packedColumns)
  
  

Member Data Documentation

◆ packedColumns

lsst.dax.apdb.apdbCassandra._PandasRowFactory.packedColumns

Definition at line 314 of file apdbCassandra.py.

The documentation for this class was generated from the following file:

/j/snowflake/release/lsstsw/stack/lsst-scipipe-0.7.0/Linux64/dax_apdb/22.0.1-5-g75bb458+99c117b92f/python/lsst/dax/apdb/apdbCassandra.py

Public Member Functions

Public Attributes