Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 11508x 11508x 11508x 11508x 34364x 34364x 34364x 34364x 34364x 34364x 34364x 11508x 11508x 235x 235x 11508x 11508x 11006x 11006x 11508x 11508x 235x 235x 11508x 11508x 307x 285x 285x 22x 22x 307x 20x 20x 2x 2x 307x 3x 3x 5x 3x 3x 2x 2x 2x 5x 3x 1x 1x 1x 3x 5x 1x 1x 1x 1x 5x 3x 2x 2x 2x 11508x 11508x | import {BasicRuleConfig} from "./_basic_rule_config";
import {IObject} from "../objects/_iobject";
import {IRule, RuleTag} from "./_irule";
import {Issue} from "../issue";
import {Position} from "../position";
import * as Objects from "../objects";
export class IndexCompletelyContainedConf extends BasicRuleConfig {
}
export class IndexCompletelyContained implements IRule {
private conf = new IndexCompletelyContainedConf();
public getMetadata() {
return {
key: "index_completely_contained",
title: "Check if database table indexes are completely contained",
shortDescription: `If indexes are completely contained in other indexes, they can be removed to improve performance.`,
tags: [RuleTag.Performance, RuleTag.SingleFile],
};
}
public initialize() {
return this;
}
public getConfig() {
return this.conf;
}
public setConfig(conf: IndexCompletelyContainedConf) {
this.conf = conf;
}
public run(obj: IObject): Issue[] {
if (!(obj instanceof Objects.Table)) {
return [];
}
const indexes = obj.getSecondaryIndexes();
if (indexes === undefined || indexes.length === 0) {
return [];
}
const issues: Issue[] = [];
for (let i = 0; i < indexes.length; i++) {
const indexA = indexes[i];
for (let j = 0; j < indexes.length; j++) {
if (i === j) {
continue;
}
const indexB = indexes[j];
let contained = true;
for (const field of indexA.fields) {
if (indexB.fields.indexOf(field) === -1) {
contained = false;
break;
}
}
if (contained) {
const position = new Position(1, 1);
const message = `Index "${indexA.name}" is completely contained in index "${indexB.name}"`;
issues.push(Issue.atPosition(obj.getFiles()[0], position, message, this.getMetadata().key, this.conf.severity));
}
}
}
return issues;
}
} |