Skip to content

fix: Detect duplicate feature view/data source names early in parse_repo (#6417) #6466

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
obielin wants to merge 2 commits into
base: master
Choose a base branch
from
Open

fix: Detect duplicate feature view/data source names early in parse_repo (#6417) #6466

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
531a50b
fix: Detect duplicate FV/data source names early in parse_repo (#6417)
obielin Jun 2, 2026
e0884bf
fix: Add FeastError handler and sys import in cli.py (#6417)
obielin Jun 2, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 10 additions & 1 deletion sdk/python/feast/cli/cli.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
# limitations under the License.
import json
import logging
import sys
from datetime import datetime
from importlib.metadata import version as importlib_version
from pathlib import Path
Expand Down Expand Up @@ -51,7 +52,7 @@
from feast.cli.ui import ui
from feast.cli.validation_references import validation_references_cmd
from feast.constants import FEAST_FS_YAML_FILE_PATH_ENV_NAME
from feast.errors import FeastProviderLoginError
from feast.errors import FeastError, FeastProviderLoginError
from feast.repo_config import load_repo_config
from feast.repo_operations import (
apply_total,
Expand Down Expand Up @@ -260,6 +261,10 @@ def plan_command(
plan(repo_config, repo, skip_source_validation, skip_feature_view_validation)
except FeastProviderLoginError as e:
print(str(e))
sys.exit(1)
except FeastError as e:
print(str(e))
sys.exit(1)


@cli.command("apply", cls=NoOptionDefaultFormat)
Expand Down Expand Up @@ -318,6 +323,10 @@ def apply_total_command(
)
except FeastProviderLoginError as e:
print(str(e))
sys.exit(1)
except FeastError as e:
print(str(e))
sys.exit(1)


@cli.command("teardown", cls=NoOptionDefaultFormat)
Expand Down
28 changes: 28 additions & 0 deletions sdk/python/feast/repo_operations.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
from feast.data_source import DataSource, KafkaSource, KinesisSource
from feast.diff.registry_diff import extract_objects_for_keep_delete_update_add
from feast.entity import Entity
from feast.errors import ConflictingFeatureViewNames, DataSourceRepeatNamesException
from feast.feature_service import FeatureService
from feast.feature_store import FeatureStore
from feast.feature_view import DUMMY_ENTITY, FeatureView
Expand Down Expand Up @@ -237,6 +238,33 @@ def parse_repo(repo_root: Path) -> RepoContents:
elif isinstance(obj, Project) and not any((obj is p) for p in res.projects):
res.projects.append(obj)

# Early duplicate detection: validate feature view names are case-insensitively unique
# This runs before FeatureStore initialization to avoid slow cleanup on error
fv_names_seen = {}
all_feature_views = (
res.feature_views + res.stream_feature_views + res.on_demand_feature_views
)
for fv in all_feature_views:
lower_name = fv.name.lower()
if lower_name in fv_names_seen:
existing_fv = fv_names_seen[lower_name]
raise ConflictingFeatureViewNames(
fv.name,
existing_type=type(existing_fv).__name__,
new_type=type(fv).__name__,
)
fv_names_seen[lower_name] = fv

# Early duplicate detection: validate data source names are case-insensitively unique
ds_names_seen = {}
for ds in res.data_sources:
if ds.name is None:
continue
lower_name = ds.name.lower()
if lower_name in ds_names_seen:
raise DataSourceRepeatNamesException(ds.name)
ds_names_seen[lower_name] = ds

res.entities.append(DUMMY_ENTITY)
return res

Expand Down