1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
use std::collections::BTreeMap;
use mz_expr::explain_new::ExplainMultiPlan;
use mz_repr::explain_new::{
AnnotatedPlan, Explain, ExplainConfig, ExplainError, UnsupportedFormat,
};
use crate::coord::peek::FastPathPlan;
use super::{ExplainContext, Explainable};
impl<'a> Explain<'a> for Explainable<'a, FastPathPlan> {
type Context = ExplainContext<'a>;
type Text = ExplainMultiPlan<'a, FastPathPlan>;
type Json = ExplainMultiPlan<'a, FastPathPlan>;
type Dot = UnsupportedFormat;
fn explain_text(
&'a mut self,
_config: &'a ExplainConfig,
context: &'a Self::Context,
) -> Result<Self::Text, ExplainError> {
self.as_explain_multi_plan(context)
}
fn explain_json(
&'a mut self,
_config: &'a ExplainConfig,
context: &'a Self::Context,
) -> Result<Self::Text, ExplainError> {
self.as_explain_multi_plan(context)
}
}
impl<'a> Explainable<'a, FastPathPlan> {
fn as_explain_multi_plan(
&'a mut self,
context: &'a ExplainContext<'a>,
) -> Result<ExplainMultiPlan<'a, FastPathPlan>, ExplainError> {
let plans = vec![(
"Explained Query (fast path)".to_string(),
AnnotatedPlan {
plan: self.0,
annotations: BTreeMap::default(),
},
)];
let sources = vec![];
Ok(ExplainMultiPlan {
context,
sources,
plans,
})
}
}