databend_common_ast/ast/statements/
explain.rs

1// Copyright 2021 Datafuse Labs
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 derive_visitor::Drive;
16use derive_visitor::DriveMut;
17
18#[derive(Debug, Clone, PartialEq, Eq, Drive, DriveMut)]
19pub enum ExplainKind {
20    Ast(String),
21    Syntax(String),
22    // The display string will be filled by optimizer, as we
23    // don't want to expose `Memo` to other crates.
24    Memo(String),
25    Graph,
26    Pipeline,
27    Fragments,
28
29    /// `EXPLAIN RAW` will be deprecated in the future, use EXPLAIN(LOGICAL) instead
30    Raw,
31    /// `EXPLAIN DECORRELATED` will show the plan after subquery decorrelation
32    /// `EXPLAIN DECORRELATED` will be deprecated in the future, use `EXPLAIN(LOGICAL, DECORRELATED)` instead
33    Decorrelated,
34    /// `EXPLAIN OPTIMIZED` will be deprecated in the future, use `EXPLAIN(LOGICAL, OPTIMIZED)` instead
35    Optimized,
36
37    Plan,
38
39    Join,
40
41    // Explain analyze plan
42    AnalyzePlan,
43
44    Graphical,
45
46    Perf,
47}
48
49#[derive(Debug, Clone, Copy, PartialEq, Eq, Drive, DriveMut)]
50pub enum ExplainOption {
51    Verbose,
52    Logical,
53    Optimized,
54    Decorrelated,
55}
databend_common_ast/ast/statements/explain.rs

databend_common_ast/ast/statements/
explain.rs
