codeant-ai-for-open-source[bot] commented on code in PR #44805:
URL: https://github.com/apache/superset/pull/44805#discussion_r4136553799
##########
superset/db_engine_specs/sqlite.py:
##########
@@ -164,8 +164,19 @@ def get_temporal_column_shift_expr(
def convert_dttm(
cls, target_type: str, dttm: datetime, db_extra: dict[str, Any] | None
= None
) -> str | None:
+ """
+ Write midnight as a bare date for DATE columns.
+
+ SQLite has no date type, so a DATE column usually holds text such as
+ ``2026-09-20`` and is compared as text. ``'2026-09-20 00:00:00'`` sorts
+ after the day it starts, so a time filter on a DATE column would be
one day
+ off. Any other time keeps its time part, which sorts between two days,
as a
+ comparison of dates should.
+ """
sqla_type = cls.get_sqla_column_type(target_type)
- if isinstance(sqla_type, (types.String, types.DateTime)):
+ if isinstance(sqla_type, types.Date) and dttm.time() == time.min:
+ return f"'{dttm.date().isoformat()}'"
+ if isinstance(sqla_type, (types.String, types.Date, types.DateTime)):
return f"""'{dttm.isoformat(sep=" ", timespec="seconds")}'"""
Review Comment:
✅ **Customized review instruction saved!**
**Instruction:**
> For SQLite DATE conversions, do not require honoring column-specific date
formats in convert_dttm; it intentionally only receives the type name and
normalizes DATE values, while custom-format support is handled separately.
**Applied to:**
- `superset/db_engine_specs/sqlite.py`
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