{"cells":[{"cell_type":"markdown","id":"5c27dfd1-4fe0-4a97-92e6-ddf78889aa93","metadata":{"nteract":{"transient":{"deleting":false}}},"source":["### Install the latest .whl package\n","\n","Check [here](https://pypi.org/project/semantic-link-labs/) to see the latest version."]},{"cell_type":"code","execution_count":null,"id":"d5cae9db-cef9-48a8-a351-9c5fcc99645c","metadata":{"jupyter":{"outputs_hidden":true,"source_hidden":false},"nteract":{"transient":{"deleting":false}}},"outputs":[],"source":["%pip install semantic-link-labs"]},{"cell_type":"markdown","id":"5a3fe6e8-b8aa-4447-812b-7931831e07fe","metadata":{"nteract":{"transient":{"deleting":false}}},"source":["### Connect to the [Tabular Object Model](https://learn.microsoft.com/analysis-services/tom/introduction-to-the-tabular-object-model-tom-in-analysis-services-amo?view=asallproducts-allversions) ([TOM](https://learn.microsoft.com/dotnet/api/microsoft.analysisservices.tabular.model?view=analysisservices-dotnet))\n","Setting the 'readonly' property to False enables read/write mode. This allows changes to be made to the semantic model."]},{"cell_type":"code","execution_count":null,"id":"cde43b47-4ecc-46ae-9125-9674819c7eab","metadata":{"jupyter":{"outputs_hidden":false,"source_hidden":false},"nteract":{"transient":{"deleting":false}}},"outputs":[],"source":["import sempy_labs as labs\n","from sempy_labs.tom import connect_semantic_model\n","\n","dataset = '' # Enter dataset name\n","workspace = None # Enter workspace name\n","\n","with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for t in tom.model.Tables:\n"," print(t.Name)"]},{"cell_type":"markdown","id":"fc6b277e","metadata":{},"source":["### Make changes to a semantic model using custom functions\n","Note that the custom functions have additional optional parameters (which may not be used in the examples below) for adding properties to model objects. Check the [documentation](https://semantic-link-labs.readthedocs.io/en/0.5.0/sempy_labs.tom.html) to see all available parameters for each function."]},{"cell_type":"markdown","id":"6d46d878","metadata":{},"source":["#### Rename objects in the semantic model"]},{"cell_type":"code","execution_count":null,"id":"1284825a","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for t in tom.model.Tables:\n"," t.Name = t.Name.replace('_',' ')\n"]},{"cell_type":"code","execution_count":null,"id":"d3b60303","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for c in tom.all_columns():\n"," c.Name = c.Name.replace('_',' ')"]},{"cell_type":"markdown","id":"402a477c","metadata":{},"source":["#### Add measure(s) to the semantic model"]},{"cell_type":"code","execution_count":null,"id":"bdaaaa5c","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.add_measure(table_name='Internet Sales', measure_name='Sales Amount', expression=\"SUM('Internet Sales'[SalesAmount])\")\n"," tom.add_measure(table_name='Internet Sales', measure_name='Order Quantity', expression=\"SUM('Internet Sales'[OrderQty])\") "]},{"cell_type":"code","execution_count":null,"id":"a53a544b","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for t in tom.model.Tables:\n"," if t.Name == 'Internet Sales':\n"," tom.add_measure(table_name=t.Name, measure_name='Sales Amount', expression=\"SUM('Internet Sales'[SalesAmount])\")\n"," tom.add_measure(table_name=t.Name, measure_name='Order Quantity', expression=\"SUM('Internet Sales'[OrderQty])\")"]},{"cell_type":"markdown","id":"1cb1632f","metadata":{},"source":["#### Add column(s) to the semantic model"]},{"cell_type":"code","execution_count":null,"id":"81a22749","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.add_data_column(table_name='Product', column_name='Size Range', source_column='SizeRange', data_type='Int64')\n"," tom.add_data_column(table_name= 'Segment', column_name='Summary Segment', source_column='SummarySegment', data_type='String')\n","\n"," tom.add_calculated_column(table_name='Internet Sales', column_name='GrossMargin', expression=\"'Internet Sales'[SalesAmount] - 'Internet Sales'[ProductCost]\", data_type='Decimal')"]},{"cell_type":"code","execution_count":null,"id":"053b6516","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for t in tom.model.Tables:\n"," if t.Name == 'Product':\n"," tom.add_data_column(table_name=t.Name, column_name='Size Range', source_column='SizeRange', data_type='Int64')\n"," elif t.Name == 'Segment':\n"," tom.add_data_column(table_name = t.Name, column_name='Summary Segment', source_column='SummarySegment', data_type='String')\n"," elif t.Name == 'Internet Sales':\n"," tom.add_calculated_column(table_name=t.Name, column_name='GrossMargin', expression=\"'Internet Sales'[SalesAmount] - 'Internet Sales'[ProductCost]\", data_type='Decimal')"]},{"cell_type":"markdown","id":"f53dcca7","metadata":{},"source":["#### Add hierarchies to the semantic model"]},{"cell_type":"code","execution_count":null,"id":"a9309e23","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.add_hierarchy(table_name='Geography', hierarchy_name='Geo Hierarchy', levels=['Continent', 'Country', 'State', 'City'])"]},{"cell_type":"code","execution_count":null,"id":"a04281ce","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for t in tom.model.Tables:\n"," if t.Name == 'Geography':\n"," tom.add_hierarchy(table_name=t.Name, hierarchy_name='Geo Hierarchy', levels=['Continent', 'Country', 'State', 'City'])"]},{"cell_type":"markdown","id":"47c06a4f","metadata":{},"source":["#### Add relationship(s) to the semantic model"]},{"cell_type":"code","execution_count":null,"id":"e8cd7bbf","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.add_relationship(\n"," from_table='Internet Sales', from_column='ProductKey',\n"," to_table='Product', to_column ='ProductKey', \n"," from_cardinality='Many', to_cardinality='One')"]},{"cell_type":"markdown","id":"3cc7f11e","metadata":{},"source":["#### Add a table with an M partition to a semantic model"]},{"cell_type":"code","execution_count":null,"id":"0f5dd66a","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," table_name='Sales'\n"," tom.add_table(name=table_name)\n"," tom.add_m_partition(table_name=table_name, partition_name=table_name, expression='let....')"]},{"cell_type":"markdown","id":"ea389123","metadata":{},"source":["#### Add a table with an entity partition to a Direct Lake semantic model "]},{"cell_type":"code","execution_count":null,"id":"f75387d1","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," table_name = 'Sales'\n"," tom.add_table(name=table_name)\n"," tom.add_entity_partition(table_name=table_name, entity_name=table_name)"]},{"cell_type":"markdown","id":"e74d0f54","metadata":{},"source":["#### Add a calculated table (and columns) to a semantic model"]},{"cell_type":"code","execution_count":null,"id":"934f7315","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," table_name = 'Sales'\n"," tom.add_calculated_table(name=table_name, expression=\"DISTINCT('Product'[Color])\")\n"," tom.add_calculated_table_column(table_name=table_name, column_name='Color', source_column=\"'Product[Color]\", data_type='String')"]},{"cell_type":"markdown","id":"0e7088b7","metadata":{},"source":["#### Add role(s) to the semantic model"]},{"cell_type":"code","execution_count":null,"id":"ad60ebb9","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.add_role(role_name='Reader')"]},{"cell_type":"markdown","id":"c541f81a","metadata":{},"source":["#### Set row level security (RLS) to the semantic model\n","This adds row level security (or updates it if it already exists)"]},{"cell_type":"code","execution_count":null,"id":"98603a08","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.set_rls(\n"," role_name='Reader', \n"," table_name='Product',\n"," filter_expression=\"'Dim Product'[Color] = \\\"Blue\\\"\"\n"," )"]},{"cell_type":"code","execution_count":null,"id":"effea009","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for r in tom.model.Roles:\n"," if r.Name == 'Reader':\n"," tom.set_rls(role_name=r.Name, table_name='Product', filter_expression=\"'Dim Product'[Color] = \\\"Blue\\\"\")"]},{"cell_type":"markdown","id":"7fa7a03c","metadata":{},"source":["#### Set object level security (OLS) to the semantic model\n","This adds row level security (or updates it if it already exists)"]},{"cell_type":"code","execution_count":null,"id":"dd0def9d","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.set_ols(role_name='Reader', table_name='Product', column_name='Size', permission='None')"]},{"cell_type":"code","execution_count":null,"id":"7a389dc7","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for r in tom.model.Roles:\n"," if r.Name == 'Reader':\n"," for t in tom.model.Tables:\n"," if t.Name == 'Product':\n"," tom.set_ols(role_name=r.Name, table_name=t.Name, column_name='Size', permission='None')"]},{"cell_type":"markdown","id":"d0f7ccd1","metadata":{},"source":["#### Add calculation groups and calculation items to the semantic model"]},{"cell_type":"code","execution_count":null,"id":"97f4708b","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.add_calculation_group(name='MyCalcGroup')"]},{"cell_type":"code","execution_count":null,"id":"fef68832","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.add_calculation_item(table_name='MyCalcGroup', calculation_item_name='YTD', expression=\"CALCULATE(SELECTEDMEASURE(), DATESYTD('Calendar'[CalendarDate]))\")\n"," tom.add_calculation_item(table_name='MyCalcGroup', calculation_item_name='MTD', expression=\"CALCULATE(SELECTEDMEASURE(), DATESMTD('Calendar'[CalendarDate]))\")"]},{"cell_type":"code","execution_count":null,"id":"c7653dcc","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for t in tom.model.Tables:\n"," if t.Name == 'MyCalcGroup':\n"," tom.add_calculation_item(table_name=t.Name, calculation_item_name='YTD', expression=\"CALCULATE(SELECTEDMEASURE(), DATESYTD('Calendar'[CalendarDate]))\")\n"," tom.add_calculation_item(table_name=t.Name, calculation_item_name='MTD', expression=\"CALCULATE(SELECTEDMEASURE(), DATESMTD('Calendar'[CalendarDate]))\")"]},{"cell_type":"markdown","id":"c6450c74","metadata":{},"source":["#### Add translations to a semantic model"]},{"cell_type":"code","execution_count":null,"id":"2b616b90","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.add_translation(language='it-IT')"]},{"cell_type":"code","execution_count":null,"id":"dc24c200","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.set_translation(object = tom.model.Tables['Product'], language='it-IT', property='Name', value='Produtto')"]},{"cell_type":"markdown","id":"3048cc95","metadata":{},"source":["#### Add a [Field Parameter](https://learn.microsoft.com/power-bi/create-reports/power-bi-field-parameters) to a semantic model"]},{"cell_type":"code","execution_count":null,"id":"0a94af94","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.add_field_parameter(table_name='Parameter', objects=\"'Product'[Color], [Sales Amount], 'Geography'[Country]\")"]},{"cell_type":"markdown","id":"95aac09a","metadata":{},"source":["#### Remove an object(s) from a semantic model"]},{"cell_type":"code","execution_count":null,"id":"1e2572a8","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for t in tom.model.Tables:\n"," if t.Name == 'Product':\n"," tom.remove_object(object=t.Columns['Size'])\n"," tom.remove_object(object=t.Hierarchies['Product Hierarchy'])"]},{"cell_type":"code","execution_count":null,"id":"bc453177","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.remove_object(object=tom.model.Tables['Product'].Columns['Size'])\n"," tom.remove_object(object=tom.model.Tables['Product'].Hierarchies['Product Hierarchy'])"]},{"cell_type":"markdown","id":"e0d0cb9e","metadata":{},"source":["### Custom functions to loop through non-top-level objects in a semantic model"]},{"cell_type":"code","execution_count":null,"id":"cbe3b1a3","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for c in tom.all_columns():\n"," print(c.Name)"]},{"cell_type":"code","execution_count":null,"id":"3f643e66","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for m in tom.all_measures():\n"," print(m.Name)"]},{"cell_type":"code","execution_count":null,"id":"ed1cde0f","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for p in tom.all_partitions():\n"," print(p.Name)"]},{"cell_type":"code","execution_count":null,"id":"f48014ae","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for h in tom.all_hierarchies():\n"," print(h.Name)"]},{"cell_type":"code","execution_count":null,"id":"9f5e7b72","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for ci in tom.all_calculation_items():\n"," print(ci.Name)"]},{"cell_type":"code","execution_count":null,"id":"3cd9ebc1","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for l in tom.all_levels():\n"," print(l.Name)"]},{"cell_type":"code","execution_count":null,"id":"12c58bad","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," for rls in tom.all_rls():\n"," print(rls.Name)"]},{"cell_type":"markdown","id":"1a294bd2","metadata":{},"source":["### See Vertipaq Analyzer stats"]},{"cell_type":"code","execution_count":null,"id":"469660e9","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=False, workspace=workspace) as tom:\n"," tom.set_vertipaq_annotations()\n","\n"," for t in tom.model.Tables:\n"," rc = tom.row_count(object = t)\n"," print(f\"{t.Name} : {str(rc)}\")\n"," for c in t.Columns:\n"," col_size = tom.total_size(object=c)\n"," print(labs.format_dax_object_name(t.Name, c.Name) + ' : ' + str(col_size))"]},{"cell_type":"markdown","id":"1ab26dfd","metadata":{},"source":["### 'UsedIn' functions"]},{"cell_type":"code","execution_count":null,"id":"412bf287","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for c in tom.all_columns():\n"," full_name = labs.format_dax_object_name(c.Parent.Name, c.Name)\n"," for h in tom.used_in_hierarchies(column = c):\n"," print(f\"{full_name} : {h.Name}\")"]},{"cell_type":"code","execution_count":null,"id":"76556900","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for c in tom.all_columns():\n"," full_name = labs.format_dax_object_name(c.Parent.Name, c.Name)\n"," for r in tom.used_in_relationships(object = c):\n"," rel_name = labs.create_relationship_name(r.FromTable.Name, r.FromColumn.Name, r.ToTable.Name, r.ToColumn.Name)\n"," print(f\"{full_name} : {rel_name}\")"]},{"cell_type":"code","execution_count":null,"id":"4d9ec24e","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," for t in tom.model.Tables:\n"," for r in tom.used_in_relationships(object = t):\n"," rel_name = labs.create_relationship_name(r.FromTable.Name, r.FromColumn.Name, r.ToTable.Name, r.ToColumn.Name)\n"," print(f\"{t.Name} : {rel_name}\")"]},{"cell_type":"code","execution_count":null,"id":"82251336","metadata":{},"outputs":[],"source":["with connect_semantic_model(dataset=dataset, readonly=True, workspace=workspace) as tom:\n"," dep = labs.get_model_calc_dependencies(dataset = dataset, workspace=workspace)\n"," for o in tom.used_in_rls(object = tom.model.Tables['Product'].Columns['Color'], dependencies=dep):\n"," print(o.Name)"]}],"metadata":{"kernel_info":{"name":"synapse_pyspark"},"kernelspec":{"display_name":"Synapse PySpark","language":"Python","name":"synapse_pyspark"},"language_info":{"name":"python"},"microsoft":{"language":"python"},"nteract":{"version":"nteract-front-end@1.0.0"},"spark_compute":{"compute_id":"/trident/default"},"synapse_widget":{"state":{},"version":"0.1"},"widgets":{}},"nbformat":4,"nbformat_minor":5}