mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 02:41:59 +00:00
1098 lines
48 KiB
HTML
1098 lines
48 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<link rel="icon" href="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI1NCIgaGVpZ2h0PSI0OCIgdmlld0JveD0iMCAwIDkgOCI+PHN0eWxlPi5ve2ZpbGw6I2ZjMH0ucntmaWxsOnJlZH08L3N0eWxlPjxwYXRoIGQ9Ik0wLDcgaDEgdjEgaC0xIHoiIGNsYXNzPSJyIi8+PHBhdGggZD0iTTAsMCBoMSB2NyBoLTEgeiIgY2xhc3M9Im8iLz48cGF0aCBkPSJNMiwwIGgxIHY4IGgtMSB6IiBjbGFzcz0ibyIvPjxwYXRoIGQ9Ik00LDAgaDEgdjggaC0xIHoiIGNsYXNzPSJvIi8+PHBhdGggZD0iTTYsMCBoMSB2OCBoLTEgeiIgY2xhc3M9Im8iLz48cGF0aCBkPSJNOCwzLjI1IGgxIHYxLjUgaC0xIHoiIGNsYXNzPSJvIi8+PC9zdmc+">
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<title>ClickHouse Query</title>
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<!-- Code Style:
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Do not use any JavaScript or CSS frameworks or preprocessors.
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This HTML page should not require any build systems (node.js, npm, gulp, etc.)
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This HTML page should not be minified, instead it should be reasonably minimalistic by itself.
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This HTML page should not load any external resources on load.
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(CSS and JavaScript must be embedded directly to the page. No external fonts or images should be loaded).
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This UI should look as lightweight, clean and fast as possible.
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All UI elements must be aligned in pixel-perfect way.
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There should not be any animations.
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No unexpected changes in positions of elements while the page is loading.
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Navigation by keyboard should work.
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64-bit numbers must display correctly.
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-->
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<!-- Development Roadmap:
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1. Support readonly servers.
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Check if readonly = 1 (with SELECT FROM system.settings) to avoid sending settings. It can be done once on address/credentials change.
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It can be done in background, e.g. wait 100 ms after address/credentials change and do the check.
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Also it can provide visual indication that credentials are correct.
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-->
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<style>
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:root {
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--background-color: #DDF8FF; /* Or #FFFBEF; actually many pastel colors look great for light theme. */
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--element-background-color: #FFF;
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--bar-color: #F8F4F0; /* Light bar in background of table cells. */
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--border-color: #EEE;
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--shadow-color: rgba(0, 0, 0, 0.1);
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--button-color: #FFAA00; /* Orange on light-cyan is especially good. */
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--text-color: #000;
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--button-active-color: #F00;
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--button-active-text-color: #FFF;
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--misc-text-color: #888;
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--error-color: #FEE; /* Light-pink on light-cyan is so neat, I even want to trigger errors to see this cool combination of colors. */
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--table-header-color: #F8F8F8;
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--table-hover-color: #FFF8EF;
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--null-color: #A88;
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--link-color: #06D;
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--logo-color: #CEE;
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--logo-color-active: #BDD;
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}
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[data-theme="dark"] {
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--background-color: #000;
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--element-background-color: #102030;
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--bar-color: #182838;
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--border-color: #111;
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--shadow-color: rgba(255, 255, 255, 0.1);
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--text-color: #CCC;
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--button-color: #FFAA00;
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--button-text-color: #000;
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--button-active-color: #F00;
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--button-active-text-color: #FFF;
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--misc-text-color: #888;
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--error-color: #400;
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--table-header-color: #102020;
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--table-hover-color: #003333;
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--null-color: #A88;
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--link-color: #4BDAF7;
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--logo-color: #222;
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--logo-color-active: #333;
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}
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*
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{
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box-sizing: border-box;
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/* For iPad */
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margin: 0;
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border-radius: 0;
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tab-size: 4;
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}
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html, body
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{
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height: 100%;
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margin: 0;
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/* This enables position: sticky on controls */
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overflow: auto;
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}
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html
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{
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/* The fonts that have full support for hinting. */
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font-family: Liberation Sans, DejaVu Sans, sans-serif, Noto Color Emoji, Apple Color Emoji, Segoe UI Emoji;
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background: var(--background-color);
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color: var(--text-color);
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}
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body
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{
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/* This element will show scroll-bar on overflow, and the scroll-bar will be outside of the padding. */
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padding: 0.5rem;
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}
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#controls
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{
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/* When a page will be scrolled horizontally due to large table size, keep controls in place. */
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position: sticky;
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left: 0;
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}
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/* Otherwise Webkit based browsers will display ugly border on focus. */
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textarea, input, button
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{
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outline: none;
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border: none;
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color: var(--text-color);
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}
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.monospace
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{
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/* Prefer fonts that have full hinting info. This is important for non-retina displays.
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Also I personally dislike "Ubuntu" font due to the similarity of 'r' and 'г' (it looks very ignorant). */
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font-family: Liberation Mono, DejaVu Sans Mono, MonoLisa, Consolas, monospace;
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}
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.monospace-table
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{
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/* Liberation is worse than DejaVu for block drawing characters. */
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font-family: DejaVu Sans Mono, Liberation Mono, MonoLisa, Consolas, monospace;
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}
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.shadow
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{
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box-shadow: 0 0 1rem var(--shadow-color);
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}
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input, textarea
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{
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border: 1px solid var(--border-color);
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/* The font must be not too small (to be inclusive) and not too large (it's less practical and make general feel of insecurity) */
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font-size: 11pt;
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padding: 0.25rem;
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background-color: var(--element-background-color);
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}
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#query
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{
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/* Make enough space for even big queries. */
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height: 20vh;
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/* Keeps query text-area's width full screen even when user adjusting the width of the query box. */
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min-width: 100%;
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}
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#inputs
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{
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white-space: nowrap;
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}
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#url
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{
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width: 70%;
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}
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#user
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{
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width: 15%;
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}
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#password
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{
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width: 15%;
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}
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#run_div
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{
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margin-top: 1rem;
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}
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#run
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{
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color: var(--button-text-color);
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background-color: var(--button-color);
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padding: 0.25rem 1rem;
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cursor: pointer;
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font-weight: bold;
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font-size: 100%; /* Otherwise button element will have lower font size. */
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}
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#run:hover, #run:focus
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{
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color: var(--button-active-text-color);
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background-color: var(--button-active-color);
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}
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#stats
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{
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float: right;
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color: var(--misc-text-color);
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}
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#toggle-light, #toggle-dark
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{
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float: right;
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padding-right: 0.5rem;
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cursor: pointer;
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}
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.hint
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{
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color: var(--misc-text-color);
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}
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#data_div
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{
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margin-top: 1rem;
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}
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#data-table
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{
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width: 100%;
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border-collapse: collapse;
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border-spacing: 0;
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}
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/* Will be displayed when user specified custom format. */
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#data-unparsed
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{
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background-color: var(--element-background-color);
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margin-top: 0rem;
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padding: 0.25rem 0.5rem;
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display: none;
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}
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td
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{
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background-color: var(--element-background-color);
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/* For wide tables any individual column will be no more than 50% of page width. */
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max-width: 50vw;
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/* The content is cut unless you hover. */
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overflow: hidden;
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text-overflow: ellipsis;
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padding: 0.25rem 0.5rem;
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border: 1px solid var(--border-color);
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white-space: pre;
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vertical-align: top;
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}
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.right
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{
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text-align: right;
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}
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th
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{
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padding: 0.25rem 0.5rem;
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text-align: center;
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background-color: var(--table-header-color);
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border: 1px solid var(--border-color);
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}
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/* The row under mouse pointer is highlight for better legibility. */
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tr:hover, tr:hover td
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{
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background-color: var(--table-hover-color);
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}
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tr:hover
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{
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box-shadow: 0 0 1rem rgba(0, 0, 0, 0.1);
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}
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#error
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{
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background: var(--error-color);
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white-space: pre-wrap;
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padding: 0.5rem 1rem;
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display: none;
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}
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/* When mouse pointer is over table cell, will display full text (with wrap) instead of cut.
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* We also keep it for some time on mouseout for "hysteresis" effect.
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*/
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td.left:hover, .td-hover-hysteresis
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{
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white-space: pre-wrap;
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max-width: none;
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}
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.td-selected
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{
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white-space: pre-wrap;
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max-width: none;
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background-color: var(--table-hover-color);
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border: 2px solid var(--border-color);
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}
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td.transposed
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{
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max-width: none;
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overflow: auto;
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white-space: pre-wrap;
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}
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td.empty-result
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{
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text-align: center;
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vertical-align: middle;
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}
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.row-number
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{
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width: 1%;
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text-align: right;
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background-color: var(--table-header-color);
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color: var(--misc-text-color);
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}
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div.empty-result
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{
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opacity: 10%;
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font-size: 7vw;
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font-family: Liberation Sans, DejaVu Sans, sans-serif;
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}
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/* The style for SQL NULL */
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.null
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{
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color: var(--null-color);
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}
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@keyframes hourglass-animation {
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0% {
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transform: rotate(-180deg);
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}
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50% {
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transform: rotate(-180deg);
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}
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100% {
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transform: none;
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}
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}
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#hourglass
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{
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display: none;
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margin-left: 1rem;
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font-size: 110%;
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color: #888;
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animation: hourglass-animation 1s linear infinite;
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}
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#check-mark
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{
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display: none;
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padding-left: 1rem;
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font-size: 110%;
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color: #080;
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}
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a, a:visited
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{
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color: var(--link-color);
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text-decoration: none;
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}
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#graph
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{
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display: none;
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}
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/* This is for graph in svg */
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text
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||
{
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font-size: 14px;
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fill: var(--text-color);
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}
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.node rect
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||
{
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fill: var(--element-background-color);
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filter: drop-shadow(.2rem .2rem .2rem var(--shadow-color));
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}
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||
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.edgePath path
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||
{
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||
stroke: var(--text-color);
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||
}
|
||
|
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marker
|
||
{
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||
fill: var(--text-color);
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||
}
|
||
|
||
#logo
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||
{
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||
fill: var(--logo-color);
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||
}
|
||
|
||
#logo:hover
|
||
{
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fill: var(--logo-color-active);
|
||
}
|
||
|
||
#logo-container
|
||
{
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||
text-align: center;
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||
margin-top: 5em;
|
||
}
|
||
|
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#chart
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||
{
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||
background-color: var(--element-background-color);
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||
filter: drop-shadow(.2rem .2rem .2rem var(--shadow-color));
|
||
display: none;
|
||
height: 70vh;
|
||
}
|
||
|
||
/* This is for charts (uPlot), Copyright (c) 2022 Leon Sorokin, MIT License, https://github.com/leeoniya/uPlot/ */
|
||
.u-wrap {position: relative;user-select: none;}
|
||
.u-over, .u-under, .u-axis {position: absolute;}
|
||
.u-under {overflow: hidden;}
|
||
.uplot canvas {display: block;position: relative;width: 100%;height: 100%;}
|
||
.u-legend {margin: auto;text-align: center; margin-top: 1em; font-family: Liberation Mono, DejaVu Sans Mono, MonoLisa, Consolas, monospace;}
|
||
.u-inline {display: block;}
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||
.u-inline * {display: inline-block;}
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||
.u-inline tr {margin-right: 16px;}
|
||
.u-legend th {font-weight: 600;}
|
||
.u-legend th > * {vertical-align: middle;display: inline-block;}
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||
.u-legend td { min-width: 13em; }
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||
.u-legend .u-marker {width: 1em;height: 1em;margin-right: 4px;background-clip: padding-box !important;}
|
||
.u-inline.u-live th::after {content: ":";vertical-align: middle;}
|
||
.u-inline:not(.u-live) .u-value {display: none;}
|
||
.u-series > * {padding: 4px;}
|
||
.u-series th {cursor: pointer;}
|
||
.u-legend .u-off > * {opacity: 0.3;}
|
||
.u-select {background: rgba(0,0,0,0.07);position: absolute;pointer-events: none;}
|
||
.u-cursor-x, .u-cursor-y {position: absolute;left: 0;top: 0;pointer-events: none;will-change: transform;z-index: 100;}
|
||
.u-hz .u-cursor-x, .u-vt .u-cursor-y {height: 100%;border-right: 1px dashed #607D8B;}
|
||
.u-hz .u-cursor-y, .u-vt .u-cursor-x {width: 100%;border-bottom: 1px dashed #607D8B;}
|
||
.u-cursor-pt {position: absolute;top: 0;left: 0;border-radius: 50%;border: 0 solid;pointer-events: none;will-change: transform;z-index: 100;/*this has to be !important since we set inline "background" shorthand */background-clip: padding-box !important;}
|
||
.u-axis.u-off, .u-select.u-off, .u-cursor-x.u-off, .u-cursor-y.u-off, .u-cursor-pt.u-off {display: none;}
|
||
</style>
|
||
</head>
|
||
|
||
<body>
|
||
<div id="controls">
|
||
<div id="inputs">
|
||
<input class="monospace shadow" id="url" type="text" value="http://localhost:8123/" placeholder="url" /><input class="monospace shadow" id="user" type="text" value="default" placeholder="user" /><input class="monospace shadow" id="password" type="password" placeholder="password" />
|
||
</div>
|
||
<div id="query_div">
|
||
<textarea autofocus spellcheck="false" class="monospace shadow" id="query"></textarea>
|
||
</div>
|
||
<div id="run_div">
|
||
<button class="shadow" id="run">Run</button>
|
||
<span class="hint"> (Ctrl/Cmd+Enter)</span>
|
||
<span id="hourglass">⧗</span>
|
||
<span id="check-mark">✔</span>
|
||
<span id="stats"></span>
|
||
<span id="toggle-dark">🌑</span><span id="toggle-light">🌞</span>
|
||
</div>
|
||
</div>
|
||
<div id="data_div">
|
||
<table class="monospace-table shadow" id="data-table"></table>
|
||
<pre class="monospace-table shadow" id="data-unparsed"></pre>
|
||
</div>
|
||
<div id="chart"></div>
|
||
<svg id="graph" fill="none"></svg>
|
||
<p id="error" class="monospace shadow">
|
||
</p>
|
||
<p id="logo-container">
|
||
<a href="https://clickhouse.com/">
|
||
<svg id="logo" width="50%" viewBox="0 0 180 28" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
|
||
<title>Powered by ClickHouse</title>
|
||
<g transform="translate(21, 0)">
|
||
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</a>
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</p>
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</body>
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|
||
<script type="text/javascript">
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|
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/// Incremental request number. When response is received,
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/// if its request number does not equal to the current request number, response will be ignored.
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/// This is to avoid race conditions.
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let request_num = 0;
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/// Save query in history only if it is different.
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let previous_query = '';
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const current_url = new URL(window.location);
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const server_address = current_url.searchParams.get('url');
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if (server_address) {
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document.getElementById('url').value = server_address;
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} else if (location.protocol != 'file:') {
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/// Substitute the address of the server where the page is served.
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document.getElementById('url').value = location.origin;
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}
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/// Substitute user name if it's specified in the query string
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const user_from_url = current_url.searchParams.get('user');
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if (user_from_url) {
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document.getElementById('user').value = user_from_url;
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}
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function postImpl(posted_request_num, query)
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{
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const user = document.getElementById('user').value;
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const password = document.getElementById('password').value;
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const server_address = document.getElementById('url').value;
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var url = server_address +
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(server_address.indexOf('?') >= 0 ? '&' : '?') +
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/// Ask server to allow cross-domain requests.
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'add_http_cors_header=1' +
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'&default_format=JSONCompact' +
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/// Safety settings to prevent results that browser cannot display.
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||
'&max_result_rows=1000&max_result_bytes=10000000&result_overflow_mode=break';
|
||
|
||
// If play.html is opened locally, append username and password to the URL parameter to avoid CORS issue.
|
||
if (document.location.href.startsWith("file://")) {
|
||
url += '&user=' + encodeURIComponent(user) +
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'&password=' + encodeURIComponent(password)
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}
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||
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||
const xhr = new XMLHttpRequest;
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xhr.open('POST', url, true);
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// If play.html is open normally, use Basic auth to prevent username and password being exposed in URL parameters
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if (!document.location.href.startsWith("file://")) {
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xhr.setRequestHeader("Authorization", "Basic " + btoa(user+":"+password));
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}
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xhr.onreadystatechange = function()
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{
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if (posted_request_num != request_num) {
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return;
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} else if (this.readyState === XMLHttpRequest.DONE) {
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renderResponse(this.status, this.response);
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/// The query is saved in browser history (in state JSON object)
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/// as well as in URL fragment identifier.
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if (query != previous_query) {
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const state = {
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query: query,
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status: this.status,
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response: this.response.length > 100000 ? null : this.response /// Lower than the browser's limit.
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};
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const title = "ClickHouse Query: " + query;
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let history_url = window.location.pathname + '?user=' + encodeURIComponent(user);
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if (server_address != location.origin) {
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/// Save server's address in URL if it's not identical to the address of the play UI.
|
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history_url += '&url=' + encodeURIComponent(server_address);
|
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}
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||
history_url += '#' + window.btoa(query);
|
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|
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if (previous_query == '') {
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history.replaceState(state, title, history_url);
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} else {
|
||
history.pushState(state, title, history_url);
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||
}
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||
document.title = title;
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||
previous_query = query;
|
||
}
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||
} else {
|
||
//console.log(this);
|
||
}
|
||
}
|
||
|
||
document.getElementById('check-mark').style.display = 'none';
|
||
document.getElementById('hourglass').style.display = 'inline-block';
|
||
|
||
xhr.send(query);
|
||
}
|
||
|
||
function renderResponse(status, response) {
|
||
document.getElementById('hourglass').style.display = 'none';
|
||
|
||
if (status === 200) {
|
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let json;
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||
try { json = JSON.parse(response); } catch (e) {}
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||
|
||
if (json !== undefined && json.statistics !== undefined) {
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renderResult(json);
|
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} else if (Array.isArray(json) && json.length == 2 &&
|
||
Array.isArray(json[0]) && Array.isArray(json[1]) && json[0].length > 1 && json[0].length == json[1].length) {
|
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/// If user requested FORMAT JSONCompactColumns, we will render it as a chart.
|
||
renderChart(json);
|
||
} else {
|
||
renderUnparsedResult(response);
|
||
}
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||
document.getElementById('check-mark').style.display = 'inline';
|
||
} else {
|
||
/// TODO: Proper rendering of network errors.
|
||
renderError(response);
|
||
}
|
||
}
|
||
|
||
let query_area = document.getElementById('query');
|
||
|
||
window.onpopstate = function(event) {
|
||
if (!event.state) {
|
||
return;
|
||
}
|
||
query_area.value = event.state.query;
|
||
if (!event.state.response) {
|
||
clear();
|
||
return;
|
||
}
|
||
renderResponse(event.state.status, event.state.response);
|
||
};
|
||
|
||
if (window.location.hash) {
|
||
query_area.value = window.atob(window.location.hash.substr(1));
|
||
}
|
||
|
||
function post()
|
||
{
|
||
++request_num;
|
||
let query = query_area.value;
|
||
postImpl(request_num, query);
|
||
}
|
||
|
||
document.getElementById('run').onclick = function()
|
||
{
|
||
post();
|
||
}
|
||
|
||
document.onkeydown = function(event)
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||
{
|
||
/// Firefox has code 13 for Enter and Chromium has code 10.
|
||
if ((event.metaKey || event.ctrlKey) && (event.keyCode == 13 || event.keyCode == 10)) {
|
||
post();
|
||
}
|
||
}
|
||
|
||
/// Pressing Tab in textarea will increase indentation.
|
||
/// But for accessibility reasons, we will fall back to tab navigation if the user already used Tab for that.
|
||
|
||
let user_prefers_tab_navigation = false;
|
||
|
||
[...document.querySelectorAll('input')].map(elem => {
|
||
elem.onkeydown = (e) => {
|
||
if (e.key == 'Tab') { user_prefers_tab_navigation = true; }
|
||
};
|
||
});
|
||
|
||
query_area.onkeydown = (e) => {
|
||
if (e.key == 'Tab' && !event.shiftKey && !user_prefers_tab_navigation) {
|
||
let elem = e.target;
|
||
let selection_start = elem.selectionStart;
|
||
let selection_end = elem.selectionEnd;
|
||
|
||
elem.value = elem.value.substring(0, elem.selectionStart) + ' ' + elem.value.substring(elem.selectionEnd);
|
||
elem.selectionStart = selection_start + 4;
|
||
elem.selectionEnd = selection_start + 4;
|
||
|
||
e.preventDefault();
|
||
return false;
|
||
}
|
||
};
|
||
|
||
function clearElement(id)
|
||
{
|
||
let elem = document.getElementById(id);
|
||
while (elem.firstChild) {
|
||
elem.removeChild(elem.lastChild);
|
||
}
|
||
elem.style.display = 'none';
|
||
}
|
||
|
||
function clear()
|
||
{
|
||
clearElement('data-table');
|
||
clearElement('graph');
|
||
clearElement('chart');
|
||
clearElement('data-unparsed');
|
||
clearElement('error');
|
||
|
||
document.getElementById('check-mark').display = 'none';
|
||
document.getElementById('hourglass').display = 'none';
|
||
document.getElementById('stats').innerText = '';
|
||
document.getElementById('logo-container').style.display = 'block';
|
||
}
|
||
|
||
function formatReadable(number = 0, decimals = 2, units = []) {
|
||
const k = 1000;
|
||
const i = number ? Math.floor(Math.log(number) / Math.log(k)) : 0;
|
||
const unit = units[i];
|
||
const dm = unit ? decimals : 0;
|
||
return Number(number / Math.pow(k, i)).toFixed(dm) + unit;
|
||
}
|
||
|
||
function formatReadableBytes(bytes) {
|
||
const units = [' B', ' KB', ' MB', ' GB', ' TB', ' PB', ' EB', ' ZB', ' YB'];
|
||
|
||
return formatReadable(bytes, 2, units);
|
||
}
|
||
|
||
function formatReadableRows(rows) {
|
||
const units = ['', ' thousand', ' million', ' billion', ' trillion', ' quadrillion'];
|
||
|
||
return formatReadable(rows, 2, units);
|
||
}
|
||
|
||
function renderResult(response)
|
||
{
|
||
clear();
|
||
|
||
let stats = document.getElementById('stats');
|
||
const seconds = response.statistics.elapsed.toFixed(3);
|
||
const rows = response.statistics.rows_read;
|
||
const bytes = response.statistics.bytes_read;
|
||
const formatted_bytes = formatReadableBytes(bytes);
|
||
const formatted_rows = formatReadableRows(rows);
|
||
stats.innerText = `Elapsed: ${seconds} sec, read ${formatted_rows} rows, ${formatted_bytes}.`;
|
||
|
||
/// We can also render graphs if user performed EXPLAIN PIPELINE graph=1 or EXPLAIN AST graph = 1
|
||
if (response.data.length > 3 && query_area.value.match(/^\s*EXPLAIN/i) && typeof(response.data[0][0]) === "string" && response.data[0][0].startsWith("digraph")) {
|
||
renderGraph(response);
|
||
} else {
|
||
renderTable(response);
|
||
}
|
||
}
|
||
|
||
function renderCell(cell, col_idx, settings)
|
||
{
|
||
let td = document.createElement('td');
|
||
|
||
let is_null = (cell === null);
|
||
let is_link = false;
|
||
|
||
/// Test: SELECT number, toString(number) AS str, number % 2 ? number : NULL AS nullable, range(number) AS arr, CAST((['hello', 'world'], [number, number % 2]) AS Map(String, UInt64)) AS map FROM numbers(10)
|
||
let text;
|
||
if (is_null) {
|
||
text = 'ᴺᵁᴸᴸ';
|
||
} else if (typeof(cell) === 'object') {
|
||
text = JSON.stringify(cell);
|
||
} else {
|
||
text = cell;
|
||
|
||
/// If it looks like URL, create a link. This is for convenience.
|
||
if (typeof(cell) == 'string' && cell.match(/^https?:\/\/\S+$/)) {
|
||
is_link = true;
|
||
}
|
||
}
|
||
|
||
let node = document.createTextNode(text);
|
||
if (is_link) {
|
||
let link = document.createElement('a');
|
||
link.appendChild(node);
|
||
link.href = text;
|
||
link.setAttribute('target', '_blank');
|
||
node = link;
|
||
}
|
||
|
||
if (settings.is_transposed) {
|
||
td.className = 'left transposed';
|
||
} else {
|
||
td.className = settings.column_is_number[col_idx] ? 'right' : 'left';
|
||
}
|
||
if (is_null) {
|
||
td.className += ' null';
|
||
}
|
||
|
||
/// If it's a number, render bar in background.
|
||
if (!settings.is_transposed && settings.column_need_render_bars[col_idx] && text > 0) {
|
||
const ratio = 100 * text / settings.column_maximums[col_idx];
|
||
|
||
let div = document.createElement('div');
|
||
|
||
div.style.width = '100%';
|
||
div.style.background = `linear-gradient(to right,
|
||
var(--bar-color) 0%, var(--bar-color) ${ratio}%,
|
||
transparent ${ratio}%, transparent 100%)`;
|
||
|
||
div.appendChild(node);
|
||
node = div;
|
||
}
|
||
|
||
td.appendChild(node);
|
||
return td;
|
||
}
|
||
|
||
function renderTableTransposed(response)
|
||
{
|
||
let tbody = document.createElement('tbody');
|
||
for (let col_idx in response.meta) {
|
||
let tr = document.createElement('tr');
|
||
{
|
||
let th = document.createElement('th');
|
||
th.className = 'right';
|
||
th.style.width = '0';
|
||
th.appendChild(document.createTextNode(response.meta[col_idx].name));
|
||
tr.appendChild(th);
|
||
}
|
||
for (let row_idx in response.data)
|
||
{
|
||
let cell = response.data[row_idx][col_idx];
|
||
const td = renderCell(cell, col_idx, {is_transposed: true});
|
||
tr.appendChild(td);
|
||
}
|
||
if (response.data.length == 0 && col_idx == 0)
|
||
{
|
||
/// If result is empty, show this fact with a style.
|
||
let td = document.createElement('td');
|
||
td.rowSpan = response.meta.length;
|
||
td.className = 'empty-result';
|
||
let div = document.createElement('div');
|
||
div.appendChild(document.createTextNode("empty result"));
|
||
div.className = 'empty-result';
|
||
td.appendChild(div);
|
||
tr.appendChild(td);
|
||
}
|
||
tbody.appendChild(tr);
|
||
}
|
||
let table = document.getElementById('data-table');
|
||
table.appendChild(tbody);
|
||
table.style.display = 'table';
|
||
}
|
||
|
||
function renderTable(response)
|
||
{
|
||
if (response.data.length <= 1 && response.meta.length >= 5) {
|
||
renderTableTransposed(response)
|
||
return;
|
||
}
|
||
|
||
const should_display_row_numbers = response.data.length > 3;
|
||
|
||
let thead = document.createElement('thead');
|
||
|
||
if (should_display_row_numbers) {
|
||
let th = document.createElement('th');
|
||
th.className = 'row-number';
|
||
th.appendChild(document.createTextNode('№'));
|
||
thead.appendChild(th);
|
||
}
|
||
|
||
for (let idx in response.meta) {
|
||
let th = document.createElement('th');
|
||
const name = document.createTextNode(response.meta[idx].name);
|
||
th.appendChild(name);
|
||
thead.appendChild(th);
|
||
}
|
||
|
||
/// To prevent hanging the browser, limit the number of cells in a table.
|
||
/// It's important to have the limit on number of cells, not just rows, because tables may be wide or narrow.
|
||
/// Also we permit rendering of more records but only if elapsed time is not large.
|
||
const max_rows = 10000 / response.meta.length;
|
||
const max_render_ms = 200;
|
||
let row_num = 0;
|
||
|
||
const column_is_number = response.meta.map(elem => !!elem.type.match(/^(Nullable\()?(U?Int|Decimal|Float)/));
|
||
const column_maximums = column_is_number.map((elem, idx) => elem ? Math.max(...response.data.map(row => row[idx])) : 0);
|
||
const column_minimums = column_is_number.map((elem, idx) => elem ? Math.min(...response.data.map(row => Math.max(0, row[idx]))) : 0);
|
||
const column_need_render_bars = column_is_number.map((elem, idx) => column_maximums[idx] > 0 && column_maximums[idx] > column_minimums[idx]);
|
||
|
||
const settings = {
|
||
is_transposed: false,
|
||
column_is_number: column_is_number,
|
||
column_maximums: column_maximums,
|
||
column_minimums: column_minimums,
|
||
column_need_render_bars: column_need_render_bars,
|
||
};
|
||
|
||
const start_time = performance.now();
|
||
|
||
let tbody = document.createElement('tbody');
|
||
for (let row_idx in response.data) {
|
||
let tr = document.createElement('tr');
|
||
if (should_display_row_numbers) {
|
||
let td = document.createElement('td');
|
||
td.className = 'row-number';
|
||
td.appendChild(document.createTextNode(1 + +row_idx));
|
||
tr.appendChild(td);
|
||
}
|
||
for (let col_idx in response.data[row_idx]) {
|
||
let cell = response.data[row_idx][col_idx];
|
||
const td = renderCell(cell, col_idx, settings);
|
||
|
||
td.onclick = () => { td.classList.add('td-selected') };
|
||
td.onmouseenter = () => {
|
||
td.classList.add('td-hover-hysteresis');
|
||
td.onmouseleave = () => {
|
||
setTimeout(() => { td && td.classList.remove('td-hover-hysteresis') }, 1000);
|
||
};
|
||
};
|
||
|
||
tr.appendChild(td);
|
||
}
|
||
tbody.appendChild(tr);
|
||
|
||
++row_num;
|
||
if (row_num >= max_rows && performance.now() - start_time >= max_render_ms) {
|
||
break;
|
||
}
|
||
}
|
||
|
||
let table = document.getElementById('data-table');
|
||
table.appendChild(thead);
|
||
table.appendChild(tbody);
|
||
table.style.display = 'table';
|
||
}
|
||
|
||
/// A function to render raw data when non-default format is specified.
|
||
function renderUnparsedResult(response)
|
||
{
|
||
clear();
|
||
let data = document.getElementById('data-unparsed')
|
||
|
||
if (response === '') {
|
||
/// TODO: Fade or remove previous result when new request will be performed.
|
||
response = 'Ok.';
|
||
}
|
||
|
||
data.innerText = response;
|
||
/// inline-block make width adjust to the size of content.
|
||
data.style.display = 'inline-block';
|
||
}
|
||
|
||
function renderError(response)
|
||
{
|
||
clear();
|
||
document.getElementById('error').innerText = response ? response : "No response.";
|
||
document.getElementById('error').style.display = 'block';
|
||
document.getElementById('logo-container').style.display = 'none';
|
||
}
|
||
|
||
/// Huge JS libraries should be loaded only if needed.
|
||
function loadJS(src, integrity) {
|
||
return new Promise((resolve, reject) => {
|
||
const script = document.createElement('script');
|
||
script.src = src;
|
||
if (integrity) {
|
||
script.crossOrigin = 'anonymous';
|
||
script.integrity = integrity;
|
||
} else {
|
||
console.warn('no integrity for', src)
|
||
}
|
||
script.addEventListener('load', function() { resolve(true); });
|
||
document.head.appendChild(script);
|
||
});
|
||
}
|
||
|
||
let load_dagre_promise;
|
||
function loadDagre() {
|
||
if (load_dagre_promise) { return load_dagre_promise; }
|
||
|
||
load_dagre_promise = Promise.all([
|
||
loadJS('https://dagrejs.github.io/project/dagre/v0.8.5/dagre.min.js',
|
||
'sha384-2IH3T69EIKYC4c+RXZifZRvaH5SRUdacJW7j6HtE5rQbvLhKKdawxq6vpIzJ7j9M'),
|
||
loadJS('https://dagrejs.github.io/project/graphlib-dot/v0.6.4/graphlib-dot.min.js',
|
||
'sha384-Q7oatU+b+y0oTkSoiRH9wTLH6sROySROCILZso/AbMMm9uKeq++r8ujD4l4f+CWj'),
|
||
loadJS('https://dagrejs.github.io/project/dagre-d3/v0.6.4/dagre-d3.min.js',
|
||
'sha384-9N1ty7Yz7VKL3aJbOk+8ParYNW8G5W+MvxEfFL9G7CRYPmkHI9gJqyAfSI/8190W'),
|
||
loadJS('https://cdn.jsdelivr.net/npm/d3@7.0.0',
|
||
'sha384-S+Kf0r6YzKIhKA8d1k2/xtYv+j0xYUU3E7+5YLrcPVab6hBh/r1J6cq90OXhw80u'),
|
||
]);
|
||
|
||
return load_dagre_promise;
|
||
}
|
||
|
||
async function renderGraph(response)
|
||
{
|
||
await loadDagre();
|
||
|
||
/// https://github.com/dagrejs/dagre-d3/issues/131
|
||
const dot = response.data.reduce((acc, row) => acc + '\n' + row[0].replace(/shape\s*=\s*box/g, 'shape=rect'));
|
||
|
||
let graph = graphlibDot.read(dot);
|
||
graph.graph().rankdir = 'TB';
|
||
|
||
let render = new dagreD3.render();
|
||
|
||
let svg = document.getElementById('graph');
|
||
svg.style.display = 'block';
|
||
|
||
render(d3.select("#graph"), graph);
|
||
|
||
svg.style.width = graph.graph().width;
|
||
svg.style.height = graph.graph().height;
|
||
}
|
||
|
||
let load_uplot_promise;
|
||
function loadUplot() {
|
||
if (load_uplot_promise) { return load_uplot_promise; }
|
||
load_uplot_promise = loadJS('https://cdn.jsdelivr.net/npm/uplot@1.6.21/dist/uPlot.iife.min.js',
|
||
'sha384-TwdJPnTsKP6pnvFZZKda0WJCXpjcHCa7MYHmjrYDu6rsEsb/UnFdoL0phS5ODqTA');
|
||
return load_uplot_promise;
|
||
}
|
||
|
||
let uplot;
|
||
async function renderChart(json)
|
||
{
|
||
await loadUplot();
|
||
clear();
|
||
|
||
let chart = document.getElementById('chart');
|
||
chart.style.display = 'block';
|
||
|
||
let paths = uPlot.paths.stepped({align: 1});
|
||
|
||
const [line_color, fill_color, grid_color, axes_color] = theme == 'light'
|
||
? ["#F80", "#FED", "#c7d0d9", "#2c3235"]
|
||
: ["#888", "#045", "#2c3235", "#c7d0d9"];
|
||
|
||
const opts = {
|
||
width: chart.clientWidth,
|
||
height: chart.clientHeight,
|
||
scales: { x: { time: json[0][0] > 1000000000 && json[0][0] < 2000000000 } },
|
||
axes: [ { stroke: axes_color,
|
||
grid: { width: 1 / devicePixelRatio, stroke: grid_color },
|
||
ticks: { width: 1 / devicePixelRatio, stroke: grid_color } },
|
||
{ stroke: axes_color,
|
||
grid: { width: 1 / devicePixelRatio, stroke: grid_color },
|
||
ticks: { width: 1 / devicePixelRatio, stroke: grid_color } } ],
|
||
series: [ { label: "x" },
|
||
{ label: "y", stroke: line_color, fill: fill_color,
|
||
drawStyle: 0, lineInterpolation: 1, paths } ],
|
||
padding: [ null, null, null, (Math.ceil(Math.log10(Math.max(...json[1]))) + Math.floor(Math.log10(Math.max(...json[1])) / 3)) * 6 ],
|
||
};
|
||
|
||
uplot = new uPlot(opts, json, chart);
|
||
}
|
||
|
||
function resizeChart() {
|
||
if (uplot) {
|
||
let chart = document.getElementById('chart');
|
||
uplot.setSize({ width: chart.clientWidth, height: chart.clientHeight });
|
||
}
|
||
}
|
||
|
||
function redrawChart() {
|
||
if (uplot && document.getElementById('chart').style.display == 'block') {
|
||
renderChart(uplot.data);
|
||
}
|
||
}
|
||
|
||
new ResizeObserver(resizeChart).observe(document.getElementById('chart'));
|
||
|
||
/// First we check if theme is set via the 'theme' GET parameter, if not, we check localStorage, otherwise we check OS preference.
|
||
let theme = current_url.searchParams.get('theme');
|
||
if (['dark', 'light'].indexOf(theme) === -1) {
|
||
theme = window.localStorage.getItem('theme');
|
||
}
|
||
if (!theme) {
|
||
theme = 'light';
|
||
}
|
||
|
||
function setColorTheme(new_theme, update_preference) {
|
||
theme = new_theme;
|
||
if (update_preference) {
|
||
window.localStorage.setItem('theme', theme);
|
||
}
|
||
document.documentElement.setAttribute('data-theme', theme);
|
||
redrawChart();
|
||
}
|
||
|
||
if (theme) {
|
||
document.documentElement.setAttribute('data-theme', theme);
|
||
} else {
|
||
/// Obtain system-level user preference
|
||
const media_query_list = window.matchMedia('(prefers-color-scheme: dark)');
|
||
if (media_query_list.matches) {
|
||
setColorTheme('dark');
|
||
}
|
||
|
||
/// There is a rumor that on some computers, the theme is changing automatically on day/night.
|
||
media_query_list.addEventListener('change', function(e) {
|
||
setColorTheme(e.matches ? 'dark' : 'light');
|
||
});
|
||
}
|
||
|
||
document.getElementById('toggle-light').onclick = function() {
|
||
setColorTheme('light', true);
|
||
}
|
||
|
||
document.getElementById('toggle-dark').onclick = function() {
|
||
setColorTheme('dark', true);
|
||
}
|
||
</script>
|
||
</html>
|