-
Notifications
You must be signed in to change notification settings - Fork 47
Implement Show Plan CodeLens
#1503
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Merged
isc-bsaviano
merged 2 commits into
intersystems-community:master
from
isc-bsaviano:sql-plan
Mar 10, 2025
Merged
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit
Hold shift + click to select a range
File filter
Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,261 @@ | ||
| import * as vscode from "vscode"; | ||
| import { DOMParser } from "@xmldom/xmldom"; | ||
| import { lt } from "semver"; | ||
| import { AtelierAPI } from "../api"; | ||
| import { handleError } from "../utils"; | ||
| import { iscIcon } from "../extension"; | ||
|
|
||
| const viewType = "isc-show-plan"; | ||
| const viewTitle = "Show Plan"; | ||
|
|
||
| let panel: vscode.WebviewPanel; | ||
|
|
||
| /** Escape any HTML characters so they are rendered literally */ | ||
| function htmlEncode(str: string): string { | ||
| return str.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">").replace(/"/g, """); | ||
| } | ||
|
|
||
| /** Convert a block of text (for example, the plan) to HTML */ | ||
| function formatTextBlock(text: string): string { | ||
| let newText = "<p>\n"; | ||
| let prevIndent = 0; | ||
| let ulLevel = 0; | ||
| for (const line of text.split(/\r?\n/)) { | ||
| let lineTrim = htmlEncode(line.trim()); | ||
| if (!lineTrim.length) continue; // Line is only whitespace | ||
| // Render references to modules or subqueries in the same color as the headers | ||
| // for those sections to help users visually draw the link between them | ||
| if (lineTrim.includes(" module ") || lineTrim.includes("subquery ") || lineTrim.includes("subqueries ")) { | ||
| lineTrim = lineTrim | ||
| .replace(/(Call|in) (module [A-Z]|\d+)/g, '$1 <span class="module">$2</span>') | ||
| .replace(/subquery [A-Z]|\d+/g, '<span class="subquery">$&</span>') | ||
| .replace(/subqueries (?:[A-Z]|\d+)(?:, [A-Z]|\d+)*,? and [A-Z]|\d+/g, (match: string): string => | ||
| match | ||
| .replace(/subqueries [A-Z]|\d+/, '<span class="subquery">$&</span>') | ||
| .replace(/(,|and) ([A-Z]|\d+)/g, '$1 <span class="subquery">$2</span>') | ||
| ); | ||
| } | ||
| const indent = line.search(/\S/) - 1; | ||
| if (indent == 0) { | ||
| const oldUlLevel = ulLevel; | ||
| while (ulLevel) { | ||
| newText += "</ul>\n"; | ||
| if (ulLevel > 1) newText += "</li>\n"; | ||
| ulLevel--; | ||
| } | ||
| if (oldUlLevel) newText += "</p>\n<p>\n"; | ||
| newText += `${lineTrim}<br/>\n`; | ||
| } else { | ||
| if (indent > prevIndent) { | ||
| if (ulLevel) { | ||
| newText = `${newText.slice(0, -6)}\n<ul>\n`; | ||
| } else { | ||
| newText += "<ul>\n"; | ||
| } | ||
| ulLevel++; | ||
| } else if (indent < prevIndent) { | ||
| newText += `</ul>\n</li>\n`; | ||
| } | ||
| newText += `<li>${lineTrim}</li>\n`; | ||
| } | ||
| prevIndent = indent; | ||
| } | ||
| while (ulLevel) { | ||
| newText += "</ul>\n"; | ||
| if (ulLevel > 1) newText += "</li>\n"; | ||
| ulLevel--; | ||
| } | ||
| return `${newText}</p>\n`; | ||
| } | ||
|
|
||
| /** Create a `Show Plan` Webview, or replace the contents of the one that already exists */ | ||
| export async function showPlanWebview(args: { | ||
| uri: vscode.Uri; | ||
| sqlQuery: string; | ||
| selectMode: string; | ||
| includes: string[]; | ||
| imports: string[]; | ||
| className?: string; | ||
| }): Promise<void> { | ||
| const api = new AtelierAPI(args.uri); | ||
| if (!api.active) { | ||
| vscode.window.showErrorMessage("Show Plan requires an active server connection.", "Dismiss"); | ||
| return; | ||
| } | ||
| if (lt(api.config.serverVersion, "2024.1.0")) { | ||
| vscode.window.showErrorMessage("Show Plan requires InterSystems IRIS version 2024.1 or above.", "Dismiss"); | ||
| return; | ||
| } | ||
| if (args.className) { | ||
| // Query %Dictionary.CompiledClass for a list of all Includes and Imports | ||
| await api | ||
| .actionQuery( | ||
| "SELECT $LISTTOSTRING(Importall) AS Imports, $LISTTOSTRING(IncludeCodeall) AS Includes FROM %Dictionary.CompiledClass WHERE Name = ?", | ||
| [args.className] | ||
| ) | ||
| .then((data) => { | ||
| if (!data?.result?.content?.length) return; | ||
| const row = data.result.content.pop(); | ||
| if (row.Imports) { | ||
| args.imports.push(...row.Imports.replace(/[^\x20-\x7E]/g, "").split(",")); | ||
| } | ||
| if (row.Includes) { | ||
| args.includes.push(...row.Includes.replace(/[^\x20-\x7E]/g, "").split(",")); | ||
| } | ||
| }) | ||
| .catch(() => { | ||
| // Swallow errors and try with the info that was in the document | ||
| }); | ||
| } | ||
| // Get the plan in XML format | ||
| const planXML: string = await api | ||
| .actionQuery("SELECT %SYSTEM.QUERY_PLAN(?,,,,,?) XML", [ | ||
| args.sqlQuery.trimEnd(), | ||
| `{"selectmode":"${args.selectMode}"${args.imports.length ? `,"packages":"$LFS(\\"${[...new Set(args.imports)].join(",")}\\")"` : ""}${args.includes.length ? `,"includeFiles":"$LFS(\\"${[...new Set(args.includes)].join(",")}\\")"` : ""}}`, | ||
| ]) | ||
| .then((data) => data?.result?.content[0]?.XML) | ||
| .catch((error) => { | ||
| handleError(error, "Failed to fetch query plan."); | ||
| }); | ||
| if (!planXML) return; | ||
| // Convert the XML into HTML | ||
| let planHTML = ""; | ||
| try { | ||
| // Parse the XML into a Document object | ||
| const xmlDoc = new DOMParser().parseFromString(planXML, "text/xml"); | ||
| // Get the single <plan> Element, which contains everything else | ||
| const planElem = xmlDoc.getElementsByTagName("plan").item(0); | ||
|
|
||
| // Loop through the child elements of the plan | ||
| let capturePlan = false; | ||
| let planText = ""; | ||
| let planChild = <Element>planElem.firstChild; | ||
| while (planChild) { | ||
| switch (planChild.nodeName) { | ||
| case "sql": | ||
| planHTML += '<h3>Statement Text</h3>\n<div class="code-block">\n'; | ||
| for (const line of planChild.textContent.trim().split(/\r?\n/)) { | ||
| planHTML += `${htmlEncode(line.trim())}\n`; | ||
| } | ||
| planHTML += `</div>\n<hr class="vscode-divider">\n`; | ||
| break; | ||
| case "warning": | ||
| planHTML += `<h3 class="warning-h">Warning</h3>\n<p>\n${formatTextBlock(planChild.textContent)}</p>\n<hr class="vscode-divider">\n`; | ||
| break; | ||
| case "info": | ||
| planHTML += `<h3 class="info-h">Information</h3>\n${formatTextBlock(planChild.textContent)}<hr class="vscode-divider">\n`; | ||
| break; | ||
| case "cost": | ||
| planHTML += `<h4>Relative Cost `; | ||
| // The plan might not have a cost | ||
| planHTML += | ||
| planChild.attributes.length && | ||
| planChild.attributes.item(0).nodeName == "value" && | ||
| +planChild.attributes.item(0).value | ||
| ? `= ${planChild.attributes.item(0).value}` | ||
| : "Unavailable"; | ||
| planHTML += "</h4>\n"; | ||
| capturePlan = true; | ||
| break; | ||
| case "#text": | ||
| if (capturePlan) { | ||
| planText += planChild.textContent; | ||
| if (!planChild.nextSibling || planChild.nextSibling.nodeName != "#text") { | ||
| // This is the end of the plan text, so convert the text to HTML | ||
| planHTML += `${formatTextBlock(planText)}<hr class="vscode-divider">\n`; | ||
| capturePlan = false; | ||
| } | ||
| } | ||
| break; | ||
| case "module": { | ||
| let moduleText = ""; | ||
| let moduleChild = planChild.firstChild; | ||
| while (moduleChild) { | ||
| moduleText += moduleChild.textContent; | ||
| moduleChild = moduleChild.nextSibling; | ||
| } | ||
| planHTML += `<h3 class="module">Module ${planChild.attributes.item(0).value}</h3>\n${formatTextBlock(moduleText)}<hr class="vscode-divider">\n`; | ||
| break; | ||
| } | ||
| case "subquery": { | ||
| let subqueryText = ""; | ||
| let subqueryChild = planChild.firstChild; | ||
| while (subqueryChild) { | ||
| subqueryText += subqueryChild.textContent; | ||
| subqueryChild = subqueryChild.nextSibling; | ||
| } | ||
| planHTML += `<h3 class="subquery">Subquery ${planChild.attributes.item(0).value}</h3>\n${formatTextBlock(subqueryText)}<hr class="vscode-divider">\n`; | ||
| break; | ||
| } | ||
| } | ||
| planChild = <Element>planChild.nextSibling; | ||
| } | ||
| // Remove the last divider | ||
| planHTML = planHTML.slice(0, -28); | ||
| } catch (error) { | ||
| handleError(error, "Failed to convert query plan to HTML."); | ||
| return; | ||
| } | ||
|
|
||
| // If a ShowPlan panel exists, replace the content instead of the panel | ||
| if (!panel) { | ||
| // Create the webview panel | ||
| panel = vscode.window.createWebviewPanel( | ||
| viewType, | ||
| viewTitle, | ||
| { preserveFocus: false, viewColumn: vscode.ViewColumn.Beside }, | ||
| { | ||
| localResourceRoots: [], | ||
| } | ||
| ); | ||
| panel.onDidDispose(() => (panel = undefined)); | ||
| panel.iconPath = iscIcon; | ||
| } else if (!panel.visible) { | ||
| // Make the panel visible | ||
| panel.reveal(vscode.ViewColumn.Beside, false); | ||
| } | ||
| // Set the HTML content | ||
| panel.webview.html = ` | ||
| <!DOCTYPE html> | ||
| <html lang="en-us"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <title>${viewTitle}</title> | ||
| <style> | ||
| .vscode-divider { | ||
| background-color: var(--vscode-widget-border); | ||
| border: 0; | ||
| display: block; | ||
| height: 1px; | ||
| margin-bottom: 10px; | ||
| margin-top: 10px; | ||
| } | ||
| .warning-h { | ||
| color: var(--vscode-terminal-ansiYellow); | ||
| } | ||
| .info-h { | ||
| color: var(--vscode-terminal-ansiBlue); | ||
| } | ||
| .module { | ||
| color: var(--vscode-terminal-ansiMagenta); | ||
| } | ||
| .subquery { | ||
| color: var(--vscode-terminal-ansiGreen); | ||
| } | ||
| div.code-block { | ||
| background-color: var(--vscode-textCodeBlock-background); | ||
| border-radius: 5px; | ||
| font-family: monospace; | ||
| white-space: pre; | ||
| padding: 10px; | ||
| padding-top: initial; | ||
| overflow-x: scroll; | ||
| } | ||
| </style> | ||
| </head> | ||
| <body> | ||
| ${planHTML} | ||
| </body> | ||
| </html>`; | ||
| } | ||
Oops, something went wrong.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Uh oh!
There was an error while loading. Please reload this page.