Fixes open-metadata#13556: Support for Salesforce table description i…

…ngestion (open-metadata#14733)

* ISSUE-13556: Add suport for Salesforce table description ingestion

* ISSUE-13556: Remove unnecessary blank line

* ISSUE-13556: Fix to get description for each table

---------

Co-authored-by: Teddy <teddy.crepineau@gmail.com>

ingestion/src/metadata/ingestion/source/database/salesforce/metadata.py

@@ -151,6 +151,7 @@ def get_tables_name_and_type(self) -> Optional[Iterable[Tuple[str, str]]]:
         :return: tables or views, depending on config
         """
         schema_name = self.context.database_schema
+
         try:
             if self.service_connection.sobjectName:
                 table_name = self.standardize_table_name(
@@ -191,6 +192,30 @@ def get_tables_name_and_type(self) -> Optional[Iterable[Tuple[str, str]]]:
                 )
             )
 
+    def get_table_description(self, table_name: str) -> Optional[str]:
+        """
+        Method to get the table description for salesforce with Tooling API
+        """
+        try:
+            result = self.client.toolingexecute(
+                f"query/?q=SELECT+Description+FROM+EntityDefinition+WHERE+QualifiedApiName='{table_name}'"
+            )
+            return result["records"][0]["Description"]
+        except KeyError as err:
+            logger.warning(
+                f"Unable to get required key from Tooling API response for table [{table_name}]: {err}"
+            )
+        except IndexError as err:
+            logger.warning(
+                f"Unable to get row for table [{table_name}] from EntityDefinition: {err}"
+            )
+        except Exception as exc:
+            logger.debug(traceback.format_exc())
+            logger.warning(
+                f"Unable to get description with Tooling API for table [{table_name}]: {exc}"
+            )
+        return None
+
     def yield_table(
         self, table_name_and_type: Tuple[str, str]
     ) -> Iterable[Either[CreateTableRequest]]:
@@ -209,6 +234,7 @@ def yield_table(
             table_request = CreateTableRequest(
                 name=table_name,
                 tableType=table_type,
+                description=self.get_table_description(table_name),
                 columns=columns,
                 tableConstraints=table_constraints,
                 databaseSchema=fqn.build(