pierrejeambrun commented on code in PR #47440:
URL: https://github.com/apache/airflow/pull/47440#discussion_r2013809598
##########
airflow/api_fastapi/common/parameters.py:
##########
@@ -171,43 +171,62 @@ def __init__(
self.to_replace = to_replace
def to_orm(self, select: Select) -> Select:
+ MAX_SORT_PARAMS = 5
if self.skip_none is False:
raise ValueError(f"Cannot set 'skip_none' to False on a
{type(self)}")
if self.value is None:
self.value = self.get_primary_key_string()
-
- lstriped_orderby = self.value.lstrip("-")
- column: Column | None = None
- if self.to_replace:
- replacement = self.to_replace.get(lstriped_orderby,
lstriped_orderby)
- if isinstance(replacement, str):
- lstriped_orderby = replacement
- else:
- column = replacement
-
- if (self.allowed_attrs and lstriped_orderby not in self.allowed_attrs)
and column is None:
+
+ order_by_list = self.value
+ if len(order_by_list) > MAX_SORT_PARAMS:
raise HTTPException(
- 400,
- f"Ordering with '{lstriped_orderby}' is disallowed or "
- f"the attribute does not exist on the model",
+ 400,
+ f"Ordering with more than {MAX_SORT_PARAMS} parameters is not
allowed. Provided: {order_by_list}"
)
- if column is None:
- column = getattr(self.model, lstriped_orderby)
-
- # MySQL does not support `nullslast`, and True/False ordering depends
on the
- # database implementation.
- nullscheck = case((column.isnot(None), 0), else_=1)
+ order_by_columns = []
+
+ for order_by in order_by_list:
+ lstriped_orderby = order_by.lstrip("-")
+ column: Column | None = None
+ if self.to_replace:
+ replacement = self.to_replace.get(lstriped_orderby,
lstriped_orderby)
+ if isinstance(replacement, str):
+ lstriped_orderby = replacement
+ else:
+ column = replacement
+
+ if (self.allowed_attrs and lstriped_orderby not in
self.allowed_attrs) and column is None:
+ raise HTTPException(
+ 400,
+ f"Ordering with '{lstriped_orderby}' is disallowed or "
+ f"the attribute does not exist on the model",
+ )
+ if column is None:
+ column = getattr(self.model, lstriped_orderby)
+
+ # MySQL does not support nullslast, and True/False ordering
depends on the
+ # database implementation.
+ nullscheck = case((column.isnot(None), 0), else_=1)
+
+ if order_by[0] == "-":
+ order_by_columns.append((nullscheck, column.desc()))
+ else:
+ order_by_columns.append((nullscheck, column.asc()))
# Reset default sorting
select = select.order_by(None)
- primary_key_column = self.get_primary_key_column()
-
- if self.value[0] == "-":
- return select.order_by(nullscheck, column.desc(),
primary_key_column.desc())
+ if order_by_columns:
+ primary_key_column = self.get_primary_key_column()
+ primary_key_sort = primary_key_column.asc()
+ order_by_columns.append((case((primary_key_column.isnot(None), 0),
else_=1), primary_key_sort))
Review Comment:
dag_id is for identifying the dag
dag_display_name is just a string for the users. (in the UI)
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