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// Copyright 2021 Datafuse Labs
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use derive_visitor::Drive;
use derive_visitor::DriveMut;
#[derive(Debug, Clone, PartialEq, Eq, Drive, DriveMut)]
pub enum ExplainKind {
Ast(String),
Syntax(String),
// The display string will be filled by optimizer, as we
// don't want to expose `Memo` to other crates.
Memo(String),
Graph,
Pipeline,
Fragments,
/// `EXPLAIN RAW` will be deprecated in the future, use EXPLAIN(LOGICAL) instead
Raw,
/// `EXPLAIN DECORRELATED` will show the plan after subquery decorrelation
/// `EXPLAIN DECORRELATED` will be deprecated in the future, use `EXPLAIN(LOGICAL, DECORRELATED)` instead
Decorrelated,
/// `EXPLAIN OPTIMIZED` will be deprecated in the future, use `EXPLAIN(LOGICAL, OPTIMIZED)` instead
Optimized,
Plan,
Join,
// Explain analyze plan
AnalyzePlan,
Graphical,
Perf,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Drive, DriveMut)]
pub enum ExplainOption {
Verbose,
Logical,
Optimized,
Decorrelated,
}