villebro commented on a change in pull request #8464: [SIP-15] Fixing datetime
conversion and SQL literal
URL:
https://github.com/apache/incubator-superset/pull/8464#discussion_r340275855
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File path: superset/db_engine_specs/bigquery.py
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@@ -72,11 +72,13 @@ class BigQueryEngineSpec(BaseEngineSpec):
}
@classmethod
- def convert_dttm(cls, target_type: str, dttm: datetime) -> str:
+ def convert_dttm(cls, target_type: str, dttm: datetime) -> Optional[str]:
tt = target_type.upper()
if tt == "DATE":
- return "'{}'".format(dttm.strftime("%Y-%m-%d"))
- return "'{}'".format(dttm.strftime("%Y-%m-%d %H:%M:%S"))
+ return f"CAST('{dttm.date().isoformat()}' AS DATE)"
+ if tt == "TIMESTAMP":
+ return f"""CAST('{dttm.isoformat(sep=" ", timespec="seconds")}' AS
TIMESTAMP)""" # pylint: disable=line-too-long
Review comment:
This doesn't need to be truncated to seconds or have " " separator. Also we
should add similar logic for `DATETIME`, which should conform to
`f"""CAST('{dttm.isoformat()}' AS DATETIME)"""`. See below:
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