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https://github.com/GreptimeTeam/greptimedb.git
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f99b08796d
* feat: add insert into expr generator & translator * feat: add select expr generator & translator * chore: apply suggestions from CR * fix: fix unit tests
40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
// Copyright 2023 Greptime Team
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use std::fmt::Display;
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use crate::ir::Column;
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pub enum Direction {
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Asc,
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Desc,
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}
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impl Display for Direction {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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Direction::Asc => write!(f, "ASC"),
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Direction::Desc => write!(f, "DESC"),
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}
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}
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}
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pub struct SelectExpr {
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pub table_name: String,
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pub columns: Vec<Column>,
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pub order_by: Vec<String>,
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pub direction: Direction,
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pub limit: usize,
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}
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