airbnb/caravel

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#   http://www.apache.org/licenses/LICENSE-2.0
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from datetime import datetime
from typing import Any, Optional

from sqlalchemy import types

from superset.db_engine_specs.postgres import PostgresEngineSpec


class CockroachDbEngineSpec(PostgresEngineSpec):
    engine = "cockroachdb"
    engine_name = "CockroachDB"

    @classmethod
    def convert_dttm(
        cls, target_type: str, dttm: datetime, db_extra: Optional[dict[str, Any]] = None
    ) -> Optional[str]:
        sqla_type = cls.get_sqla_column_type(target_type)
        if isinstance(sqla_type, types.Date):
            return f"'{dttm.date().isoformat()}'"
        if isinstance(sqla_type, (types.String, types.DateTime)):
            return f"""'{dttm.isoformat(sep=" ", timespec="seconds")}'"""
        return None