fix: dataset extra import/export

superset/datasets/commands/export.py

@@ -31,7 +31,7 @@
 
 logger = logging.getLogger(__name__)
 
-JSON_KEYS = {"params", "template_params"}
+JSON_KEYS = {"params", "template_params", "extra"}
 
 
 class ExportDatasetsCommand(ExportModelsCommand):

superset/datasets/commands/importers/v1/utils.py

@@ -36,7 +36,7 @@
 CHUNKSIZE = 512
 VARCHAR = re.compile(r"VARCHAR\((\d+)\)", re.IGNORECASE)
 
-JSON_KEYS = {"params", "template_params"}
+JSON_KEYS = {"params", "template_params", "extra"}
 
 
 type_map = {
@@ -98,7 +98,7 @@ def import_dataset(
     for key in ("metrics", "columns"):
         for attributes in config.get(key, []):
             # should be a dictionary, but in initial exports this was a string
-            if isinstance(attributes.get("extra"), dict):
+            if attributes.get("extra") is not None:
                 try:
                     attributes["extra"] = json.dumps(attributes["extra"])
                 except TypeError:

superset/datasets/schemas.py

@@ -14,10 +14,12 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
+import json
 import re
+from typing import Any, Dict
 
 from flask_babel import lazy_gettext as _
-from marshmallow import fields, Schema, ValidationError
+from marshmallow import fields, pre_load, Schema, ValidationError
 from marshmallow.validate import Length
 
 get_delete_ids_schema = {"type": "array", "items": {"type": "integer"}}
@@ -130,9 +132,19 @@ class DatasetRelatedObjectsResponse(Schema):
 
 
 class ImportV1ColumnSchema(Schema):
+    # pylint: disable=no-self-use, unused-argument
+    @pre_load
+    def fix_extra(self, data: Dict[str, Any], **kwargs: Any) -> Dict[str, Any]:
+        """
+        Fix for extra initially beeing exported as a string.
+        """
+        if isinstance(data.get("extra"), str):
+            data["extra"] = json.loads(data["extra"])
+
+        return data
+
     column_name = fields.String(required=True)
-    # extra was initially exported incorrectly as a string
-    extra = fields.Raw(allow_none=True)
+    extra = fields.Dict(allow_none=True)
     verbose_name = fields.String(allow_none=True)
     is_dttm = fields.Boolean(default=False, allow_none=True)
     is_active = fields.Boolean(default=True, allow_none=True)
@@ -156,6 +168,17 @@ class ImportV1MetricSchema(Schema):
 
 
 class ImportV1DatasetSchema(Schema):
+    # pylint: disable=no-self-use, unused-argument
+    @pre_load
+    def fix_extra(self, data: Dict[str, Any], **kwargs: Any) -> Dict[str, Any]:
+        """
+        Fix for extra initially beeing exported as a string.
+        """
+        if isinstance(data.get("extra"), str):
+            data["extra"] = json.loads(data["extra"])
+
+        return data
+
     table_name = fields.String(required=True)
     main_dttm_col = fields.String(allow_none=True)
     description = fields.String(allow_none=True)
@@ -168,7 +191,7 @@ class ImportV1DatasetSchema(Schema):
     template_params = fields.Dict(allow_none=True)
     filter_select_enabled = fields.Boolean()
     fetch_values_predicate = fields.String(allow_none=True)
-    extra = fields.String(allow_none=True)
+    extra = fields.Dict(allow_none=True)
     uuid = fields.UUID(required=True)
     columns = fields.List(fields.Nested(ImportV1ColumnSchema))
     metrics = fields.List(fields.Nested(ImportV1MetricSchema))

tests/integration_tests/datasets/commands_tests.py

@@ -323,7 +323,10 @@ def test_import_v1_dataset(self, mock_g):
         assert dataset.template_params == "{}"
         assert dataset.filter_select_enabled
         assert dataset.fetch_values_predicate is None
-        assert dataset.extra == "dttm > sysdate() -10 "
+        assert (
+            dataset.extra
+            == '{"certification": {"certified_by": "Data Platform Team", "details": "This table is the source of truth."}, "warning_markdown": "This is a warning."}'
+        )
 
         # user should be included as one of the owners
         assert dataset.owners == [mock_g.user]

tests/integration_tests/fixtures/importexport.py

@@ -373,7 +373,7 @@
     "template_params": {},
     "filter_select_enabled": True,
     "fetch_values_predicate": None,
-    "extra": "dttm > sysdate() -10 ",
+    "extra": '{ "certification": { "certified_by": "Data Platform Team", "details": "This table is the source of truth." }, "warning_markdown": "This is a warning." }',
     "metrics": [
         {
             "metric_name": "count",

tests/unit_tests/datasets/commands/export_test.py

@@ -98,7 +98,8 @@ def test_export(app_context: None, session: Session) -> None:
   answer: '42'
 filter_select_enabled: 1
 fetch_values_predicate: foo IN (1, 2)
-extra: '{{\"warning_markdown\": \"*WARNING*\"}}'
+extra:
+  warning_markdown: '*WARNING*'
 uuid: null
 metrics:
 - metric_name: cnt

tests/unit_tests/datasets/commands/importers/v1/import_test.py

@@ -22,6 +22,8 @@
 
 from sqlalchemy.orm.session import Session
 
+from superset.datasets.schemas import ImportV1DatasetSchema
+
 
 def test_import_(app_context: None, session: Session) -> None:
     """
@@ -56,7 +58,7 @@ def test_import_(app_context: None, session: Session) -> None:
         "template_params": {"answer": "42",},
         "filter_select_enabled": True,
         "fetch_values_predicate": "foo IN (1, 2)",
-        "extra": '{"warning_markdown": "*WARNING*"}',
+        "extra": {"warning_markdown": "*WARNING*"},
         "uuid": dataset_uuid,
         "metrics": [
             {
@@ -147,7 +149,8 @@ def test_import_column_extra_is_string(app_context: None, session: Session) -> N
     session.flush()
 
     dataset_uuid = uuid.uuid4()
-    config: Dict[str, Any] = {
+    yaml_config: Dict[str, Any] = {
+        "version": "1.0.0",
         "table_name": "my_table",
         "main_dttm_col": "ds",
         "description": "This is the description",
@@ -171,20 +174,24 @@ def test_import_column_extra_is_string(app_context: None, session: Session) -> N
             {
                 "column_name": "profit",
                 "verbose_name": None,
-                "is_dttm": None,
-                "is_active": None,
+                "is_dttm": False,
+                "is_active": True,
                 "type": "INTEGER",
-                "groupby": None,
-                "filterable": None,
+                "groupby": False,
+                "filterable": False,
                 "expression": "revenue-expenses",
                 "description": None,
                 "python_date_format": None,
                 "extra": '{"certified_by": "User"}',
             }
         ],
         "database_uuid": database.uuid,
-        "database_id": database.id,
     }
 
-    sqla_table = import_dataset(session, config)
+    schema = ImportV1DatasetSchema()
+    dataset_config = schema.load(yaml_config)
+    dataset_config["database_id"] = database.id
+    sqla_table = import_dataset(session, dataset_config)
+
     assert sqla_table.columns[0].extra == '{"certified_by": "User"}'
+    assert sqla_table.extra == '{"warning_markdown": "*WARNING*"}'