Method executeImpl

src/Functions/currentSchemas.cpp:60–64

    bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return false; }

    ColumnPtr executeImpl(const ColumnsWithTypeAndName &, const DataTypePtr &, size_t input_rows_count) const override
    {
        return DataTypeArray(std::make_shared<DataTypeString>())
                               .createColumnConst(input_rows_count, Array { db_name });
    }
};

}