Tableau lineage using Graphql (#7603)

* Added graphql query

* Added tableau lineage with graphql

Co-authored-by: Onkar Ravgan <onkarravgan@Onkars-MacBook-Pro.local>

ingestion/src/metadata/ingestion/source/dashboard/tableau.py

@@ -11,6 +11,7 @@
 """
 Tableau source module
 """
+import json
 import traceback
 from typing import Iterable, List, Optional
 
@@ -58,6 +59,27 @@ from metadata.utils.logger import ingestion_logger
 logger = ingestion_logger()
 TABLEAU_TAG_CATEGORY = "TableauTags"
 
+TABLEAU_LINEAGE_GRAPHQL_QUERY = """
+{
+  workbooks {
+    id
+    luid
+    name
+    upstreamTables{
+      name
+      schema
+      upstreamDatabases{
+        name
+      }
+      referencedByQueries{
+        name
+        query
+      }
+    }
+  }
+}
+"""
+
 
 class TableauSource(DashboardServiceSource):
 
@@ -75,6 +97,7 @@ class TableauSource(DashboardServiceSource):
         self.workbooks = {}
         self.tags = []
         self.owner = {}
+        self.workboook_datasources = {}
 
     def prepare(self):
         # Restructuring the api response for workbooks
@@ -109,6 +132,14 @@ class TableauSource(DashboardServiceSource):
         owner = get_all_user_fields(self.client)
         self.owner = {user["id"]: user for user in owner}
 
+        # Fetch Datasource information for lineage
+        graphql_query_result = self.client.metadata_graphql_query(
+            query=TABLEAU_LINEAGE_GRAPHQL_QUERY
+        )
+        self.workboook_datasources = json.loads(graphql_query_result.text)["data"].get(
+            "workbooks"
+        )
+
         return super().prepare()
 
     @classmethod
@@ -223,38 +254,43 @@ class TableauSource(DashboardServiceSource):
         """
         Get lineage between dashboard and data sources
         """
-        datasource_list = (
-            get_workbook_connections_dataframe(self.client, dashboard_details.get("id"))
-            .get("datasource_name")
-            .tolist()
-        )
-        dashboard_name = dashboard_details.get("name")
 
+        dashboard_id = dashboard_details.get("id")
+        data_source = next(
+            (
+                data_source
+                for data_source in self.workboook_datasources
+                if data_source.get("luid") == dashboard_id
+            ),
+            None,
+        )
         to_fqn = fqn.build(
             self.metadata,
             entity_type=LineageDashboard,
             service_name=self.config.serviceName,
-            dashboard_name=dashboard_name,
+            dashboard_name=dashboard_id,
         )
         to_entity = self.metadata.get_by_name(
             entity=LineageDashboard,
             fqn=to_fqn,
         )
 
-        for datasource in datasource_list:
         try:
-                schema_and_table_name = (
+            upstream_tables = data_source.get("upstreamTables")
-                    datasource.split("(")[1].split(")")[0].split(".")
+            for upstream_table in upstream_tables:
-                )
+                database_schema_table = fqn.split_table_name(upstream_table.get("name"))
-                schema_name = schema_and_table_name[0]
+                database_name = database_schema_table.get("database")
-                table_name = schema_and_table_name[1]
+                schema_name = database_schema_table.get("database_schema")
+                table_name = database_schema_table.get("table")
                 from_fqn = fqn.build(
                     self.metadata,
                     entity_type=Table,
                     service_name=db_service_name,
-                    schema_name=schema_name,
+                    schema_name=schema_name
+                    if schema_name
+                    else upstream_table.get("schema"),
                     table_name=table_name,
-                    database_name=None,
+                    database_name=database_name,
                 )
                 from_entity = self.metadata.get_by_name(
                     entity=Table,