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atoti.plugin_measure(*args, plugin_key)

Return a measure computed by a plugin registered by an Atoti Server extension.
This feature is experimental, its key is "plugin_measure".
  • Parameters:
    • args (NestedPluginMeasureArgs) – The arguments forwarded to the measure plugin. Supported types include:
    • plugin_key (str) – The key of the measure plugin.
  • Return type: MeasureDefinition

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Example

>>> session_config = tt.SessionConfig(extra_jars=[server_extension_jar_path])
>>> session = tt.Session.start(session_config)
>>> df = pd.DataFrame(
...     [("Phone", 2), ("Watch", 4), ("Laptop", 1)],
...     columns=["Product", "Quantity"],
... )
>>> table = session.read_pandas(
...     df,
...     keys={"Product"},
...     table_name="Example",
... )
>>> cube = session.create_cube(table)
>>> l, m = cube.levels, cube.measures
The Atoti Server extension used provided by server_extension_jar_path contributes a measure plugin with the key "MY_INCREMENT": 
>>> with tt.experimental({"plugin_measure"}):
...     m["Incremented quantity.SUM"] = tt.plugin_measure(
...         m["Quantity.SUM"].name, l["Product"], 2, plugin_key="MY_INCREMENT"
...     )
>>> cube.query(
...     m["Quantity.SUM"],
...     m["Incremented quantity.SUM"],
...     levels=[l["Product"]],
... )
        Quantity.SUM Incremented quantity.SUM
Product
Laptop             1                        3
Phone              2                        4
Watch              4                        6