swat.cas.datamsghandlers.SQLTable

class swat.cas.datamsghandlers.SQLTable(table, engine, nrecs=1000, transformers=None, **kwargs)

Bases: swat.cas.datamsghandlers.PandasDataFrame

Create an SQLTable data message handler

Parameters:
table : string

Name of table in database to fetch.

engine : sqlalchemy engine

sqlalchemy engine.

nrecs : int, optional

Number of records to send at a time.

**kwargs : keyword arguments, optional

Arguments sent to pandas.io.read_sql_table.

Returns:
SQLTable data message handler object
PandasDataFrame
__init__(table, engine, nrecs=1000, transformers=None, **kwargs)

Initialize self. See help(type(self)) for accurate signature.

Methods

__init__(table, engine[, nrecs, transformers]) Initialize self.
create_engine(*args, **kwargs) Return engine from sqlalchemy.create_engine()
finish(connection) Finish the data sending operation
getone(connection, **kwargs) Get a single response from the server
getrow(row) Get a row of values from the data source
send(connection, nrecs) Send the records to the connection
write(row, values) Write the value to the row and column specified in the buffer

Attributes

args Property that generates the CAS action parameters for CAS actions that use a data message handler.