codeant-ai-for-open-source[bot] commented on code in PR #43759:
URL: https://github.com/apache/superset/pull/43759#discussion_r4107580342
##########
superset/datasets/schemas.py:
##########
@@ -516,6 +516,24 @@ class GetOrCreateDatasetSchema(Schema):
always_filter_main_dttm = fields.Boolean(load_default=False)
+class PartitionMappingPreviewSchema(Schema):
+ """Payload for the dataset editor's partition mapping preview panel."""
+
+ mapped_column = fields.String(
+ required=True,
+ metadata={"description": "Column whose filters would be mirrored"},
+ )
+ value_transform = fields.String(
+ required=True,
+ allow_none=True,
+ metadata={"description": "SQL expression containing a :value
placeholder"},
+ )
+ sample_value = fields.String(
+ required=True,
+ metadata={"description": "Value to evaluate the transform at"},
+ )
Review Comment:
✅ **CodeAnt verified this suggestion was addressed in subsequent commits and
marked this thread resolved** as of `8ab5bba`.
Added marshmallow length validators limiting `mapped_column` and
`sample_value` to 250 characters and `value_transform` to 1024 characters.
<sub>If that's not right, unresolve this thread and CodeAnt will leave it
open.</sub>
<!-- codeant-auto-resolve-reply -->
##########
superset/datasets/api.py:
##########
@@ -153,6 +161,31 @@
)
+def _consume_preview_rate_limit(dataset_id: int) -> bool:
+ """
+ Fixed-window per-user, per-dataset throttle on the preview endpoint.
+
+ Debouncing on the client is a courtesy, not a guard: a held keydown, or a
+ handful of owners with the editor open, becomes sustained load on a
+ production cluster. Returns False once the window's budget is spent.
+ """
+ limit = app.config.get("PARTITION_TRANSFORM_PREVIEW_RATE_LIMIT", 30)
+ if not limit:
+ return True
+
+ user_id = get_user_id() or 0
+ key = f"partition_mapping_preview:{user_id}:{dataset_id}"
+ try:
+ used = cache_manager.cache.get(key) or 0
+ if used >= limit:
+ return False
+ cache_manager.cache.set(key, used + 1, timeout=60)
Review Comment:
✅ **CodeAnt verified this suggestion was addressed in subsequent commits and
marked this thread resolved** as of `8ab5bba`.
Changed rate-limit initialization to use `backend.add` with the 60-second
timeout only for the first request, followed by `backend.inc` without resetting
the TTL.
<sub>If that's not right, unresolve this thread and CodeAnt will leave it
open.</sub>
<!-- codeant-auto-resolve-reply -->
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