rusackas commented on code in PR #40123:
URL: https://github.com/apache/superset/pull/40123#discussion_r3243245692
##########
tests/unit_tests/datasets/commands/export_test.py:
##########
@@ -304,3 +304,54 @@ def test_export(session: Session) -> None:
""",
),
]
+
+
+def test_export_two_datasets_same_table_name_different_schema(
+ session: Session,
+) -> None:
+ """
+ Regression coverage for GitHub issue #16141.
+
+ Exporting two datasets that share a `table_name` but live in
+ different schemas (e.g. prod.users + dev.users) must produce two
+ distinct entries in the export. Historically the pair could collide
+ onto a single filename — the export filename is now disambiguated by
+ dataset id, so this test pins that behavior so it can't silently
+ regress.
+ """
+ from superset.commands.dataset.export import ExportDatasetsCommand
+ from superset.connectors.sqla.models import SqlaTable
+ from superset.models.core import Database
+
+ engine = db.session.get_bind()
+ SqlaTable.metadata.create_all(engine) # pylint: disable=no-member
+
+ database = Database(database_name="my_database",
sqlalchemy_uri="sqlite://")
+ db.session.add(database)
+ db.session.flush()
+
+ prod = SqlaTable(table_name="users", schema="prod", database=database)
+ dev = SqlaTable(table_name="users", schema="dev", database=database)
+ db.session.add_all([prod, dev])
+ db.session.flush()
+
+ paths: list[str] = []
+ contents: list[str] = []
+ for ds in (prod, dev):
+ for path, content_fn in ExportDatasetsCommand._export( # pylint:
disable=protected-access
+ ds, export_related=False
+ ):
+ paths.append(path)
+ contents.append(content_fn())
+
+ # Both datasets must produce distinct export paths — no collision.
+ assert len(paths) == len(set(paths)), (
+ f"Export filenames collided for same-table-name datasets: {paths}"
+ )
+
+ # And both YAML payloads must reflect their own schema, not be
+ # silently merged or overwritten.
+ schemas_in_yaml = {c.split("schema:")[1].splitlines()[0].strip() for c in
contents}
Review Comment:
Good call — switched to yaml.safe_load in 3587a72a3c, much cleaner. Thanks
for the review!
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