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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
import {IPlan} from '../../interfaces/iplan';
import {Component, OnInit} from 'angular2/core';
import {HighlightType, EstimateDirection} from '../../enums';
import {PlanService} from '../../services/plan-service';
import {SyntaxHighlightService} from '../../services/syntax-highlight-service';
import {HelpService} from '../../services/help-service';
import {ColorService} from '../../services/color-service';
/// <reference path="lodash.d.ts" />
@Component({
selector: 'plan-node',
inputs: ['plan', 'node', 'viewOptions'],
templateUrl: './components/plan-node/plan-node.html',
directives: [PlanNode],
providers: [PlanService, SyntaxHighlightService, HelpService, ColorService]
})
export class PlanNode {
// consts
FULL_WIDTH: number = 220;
COMPACT_WIDTH: number = 140;
MIN_ESTIMATE_MISS: number = 100;
COSTLY_TAG: string = 'costliest';
SLOW_TAG: string = 'slowest';
LARGE_TAG: string = 'largest';
ESTIMATE_TAG: string = 'bad estimate';
// inputs
plan: IPlan;
node: any;
viewOptions: any;
// calculated properties
duration: string;
durationUnit: string;
executionTimePercent: number;
backgroundColor: string;
highlightValue: number;
width: number;
props: Array<any>;
tags: Array<string>;
plannerRowEstimateValue: number;
plannerRowEstimateDirection: EstimateDirection;
currentHighlightType: string; // keep track of highlight type for change detection
currentCompactView: boolean;
// expose enum to view
estimateDirections = EstimateDirection;
highlightTypes = HighlightType;
constructor(private _planService: PlanService,
private _syntaxHighlightService: SyntaxHighlightService,
private _helpService: HelpService,
private _colorService: ColorService)
{ }
ngOnInit() {
this.currentHighlightType = this.viewOptions.highlightType;
this.calculateBar();
this.calculateProps();
this.calculateDuration();
this.calculateTags();
this.plannerRowEstimateDirection = this.node[this._planService.PLANNER_ESIMATE_DIRECTION];
this.plannerRowEstimateValue = _.round(this.node[this._planService.PLANNER_ESTIMATE_FACTOR]);
}
ngDoCheck() {
if (this.currentHighlightType !== this.viewOptions.highlightType) {
this.currentHighlightType = this.viewOptions.highlightType;
this.calculateBar();
}
if (this.currentCompactView !== this.viewOptions.showCompactView) {
this.currentCompactView = this.viewOptions.showCompactView;
this.calculateBar();
}
}
getFormattedQuery() {
var keyItems: Array<string> = [];
// relation name will be highlighted for SCAN nodes
var relationName: string = this.node[this._planService.RELATION_NAME_PROP];
if (relationName) {
keyItems.push(this.node[this._planService.SCHEMA_PROP] + '.' + relationName);
keyItems.push(' ' + relationName);
keyItems.push(' ' + this.node[this._planService.ALIAS_PROP] + ' ');
}
// group key will be highlighted for AGGREGATE nodes
var groupKey: Array<string> = this.node[this._planService.GROUP_KEY_PROP];
if (groupKey) {
keyItems.push('GROUP BY ' + groupKey.join(','));
}
// hash condition will be highlighted for HASH JOIN nodes
var hashCondition: string = this.node[this._planService.HASH_CONDITION_PROP];
if (hashCondition) {
keyItems.push(hashCondition.replace('(', '').replace(')', ''));
}
if (this.node[this._planService.NODE_TYPE_PROP].toUpperCase() === 'LIMIT') {
keyItems.push('LIMIT');
}
return this._syntaxHighlightService.highlight(this.plan.query, keyItems);
}
calculateBar() {
var nodeWidth = this.viewOptions.showCompactView ? this.COMPACT_WIDTH : this.FULL_WIDTH;
switch (this.currentHighlightType) {
case HighlightType.DURATION:
this.highlightValue = (this.node[this._planService.ACTUAL_DURATION_PROP]);
this.width = Math.round((this.highlightValue / this.plan.planStats.maxDuration) * nodeWidth);
break;
case HighlightType.ROWS:
this.highlightValue = (this.node[this._planService.ACTUAL_ROWS_PROP]);
this.width = Math.round((this.highlightValue / this.plan.planStats.maxRows) * nodeWidth);
break;
case HighlightType.COST:
this.highlightValue = (this.node[this._planService.ACTUAL_COST_PROP]);
this.width = Math.round((this.highlightValue / this.plan.planStats.maxCost) * nodeWidth);
break;
}
if (this.width < 1) { this.width = 1 }
this.backgroundColor = this._colorService.numberToColorHsl(1 - this.width / nodeWidth);
}
calculateDuration() {
var dur: number = _.round(this.node[this._planService.ACTUAL_DURATION_PROP]);
// convert duration into approriate units
if (dur < 1) {
this.duration = "<1";
this.durationUnit = 'ms';
} else if (dur > 1 && dur < 1000) {
this.duration = dur.toString();
this.durationUnit = 'ms';
} else {
this.duration = _.round(dur / 1000, 2).toString();
this.durationUnit = 'mins';
}
this.executionTimePercent = (_.round((dur / this.plan.planStats.executionTime) * 100));
}
// create an array of node propeties so that they can be displayed in the view
calculateProps() {
this.props = _.chain(this.node)
.omit(this._planService.PLANS_PROP)
.map((value, key) => {
return { key: key, value: value };
})
.value();
}
calculateTags() {
this.tags = [];
if (this.node[this._planService.SLOWEST_NODE_PROP]) {
this.tags.push(this.SLOW_TAG);
}
if (this.node[this._planService.COSTLIEST_NODE_PROP]) {
this.tags.push(this.COSTLY_TAG);
}
if (this.node[this._planService.LARGEST_NODE_PROP]) {
this.tags.push(this.LARGE_TAG);
}
if (this.node[this._planService.PLANNER_ESTIMATE_FACTOR] >= this.MIN_ESTIMATE_MISS) {
this.tags.push(this.ESTIMATE_TAG);
}
}
getNodeTypeDescription() {
return this._helpService.getNodeTypeDescription(this.node[this._planService.NODE_TYPE_PROP]);
}
}
|