query/
dataframe.rs

1// Copyright 2023 Greptime Team
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use datafusion::dataframe::DataFrame as DfDataFrame;
16use datafusion_expr::LogicalPlan;
17
18/// DataFrame represents a logical set of rows with the same named columns.
19/// Similar to a Pandas DataFrame or Spark DataFrame
20#[derive(Clone)]
21pub enum DataFrame {
22    DataFusion(DfDataFrame),
23}
24
25impl DataFrame {
26    pub fn into_logical_plan(self) -> LogicalPlan {
27        match self {
28            Self::DataFusion(dataframe) => dataframe.into_parts().1,
29        }
30    }
31}