How to use the pyexasol.http_transport function in pyexasol

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github badoo / pyexasol / examples / 14_parallel_export.py View on Github external
def run(self):
        self.read_pipe.close()

        http = pyexasol.http_transport(self.node['host'], self.node['port'], pyexasol.HTTP_EXPORT)
        self.write_pipe.send(http.get_proxy())
        self.write_pipe.close()

        pd = http.export_to_callback(cb.export_to_pandas, None)
        print(f"{self.node['idx']}:{len(pd)}")
github badoo / pyexasol / examples / 21_parallel_export_import.py View on Github external
def run(self):
        self.read_pipe.close()

        http_export = pyexasol.http_transport(self.node['host'], self.node['port'], pyexasol.HTTP_EXPORT, compression=True, encryption=True)
        http_import = pyexasol.http_transport(self.node['host'], self.node['port'], pyexasol.HTTP_IMPORT, compression=True, encryption=True)

        # Send list of proxy strings, one element per HTTP transport instance
        self.write_pipe.send([http_export.get_proxy(), http_import.get_proxy()])
        self.write_pipe.close()

        pd = http_export.export_to_callback(cb.export_to_pandas, None)
        print(f"EXPORT shard_id:{self.node['idx']}, affected_rows:{len(pd)}")

        http_import.import_from_callback(cb.import_from_pandas, pd)
        print(f"IMPORT shard_id:{self.node['idx']}, affected_rows:{len(pd)}")
github badoo / pyexasol / examples / 20_parallel_import.py View on Github external
def run(self):
        self.read_pipe.close()

        http = pyexasol.http_transport(self.node['host'], self.node['port'], pyexasol.HTTP_IMPORT)
        self.write_pipe.send(http.get_proxy())
        self.write_pipe.close()

        data = [
            {'user_id': 1, 'user_name': 'John', 'shard_id': self.node['idx']},
            {'user_id': 2, 'user_name': 'Foo', 'shard_id': self.node['idx']},
            {'user_id': 3, 'user_name': 'Bar', 'shard_id': self.node['idx']},
        ]

        pd = pandas.DataFrame(data, columns=['user_id', 'user_name', 'shard_id'])

        http.import_from_callback(cb.import_from_pandas, pd)
github badoo / pyexasol / examples / 21_parallel_export_import.py View on Github external
def run(self):
        self.read_pipe.close()

        http_export = pyexasol.http_transport(self.node['host'], self.node['port'], pyexasol.HTTP_EXPORT, compression=True, encryption=True)
        http_import = pyexasol.http_transport(self.node['host'], self.node['port'], pyexasol.HTTP_IMPORT, compression=True, encryption=True)

        # Send list of proxy strings, one element per HTTP transport instance
        self.write_pipe.send([http_export.get_proxy(), http_import.get_proxy()])
        self.write_pipe.close()

        pd = http_export.export_to_callback(cb.export_to_pandas, None)
        print(f"EXPORT shard_id:{self.node['idx']}, affected_rows:{len(pd)}")

        http_import.import_from_callback(cb.import_from_pandas, pd)
        print(f"IMPORT shard_id:{self.node['idx']}, affected_rows:{len(pd)}")