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Merge pull request #268 from sosedoff/fetch-unique-rows

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Table headers context menu
This commit is contained in:
Dan Sosedoff 2017-09-16 14:22:10 -05:00 committed by GitHub
commit 003a661c08
5 changed files with 146 additions and 39 deletions
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55
pkg/data/bindata.go
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File diff suppressed because one or more lines are too long

12
static/css/app.css
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@ -404,11 +404,21 @@
line-height: 24px; line-height: 24px;
color: #333; color: #333;
font-weight: bold; font-weight: bold;
cursor: pointer;
-webkit-font-smoothing: antialiased; -webkit-font-smoothing: antialiased;
-moz-user-select: none;
-khtml-user-select: none;
-webkit-user-select: none;
user-select: none;
}
#results th:hover {
background: #f8f8f8;
} }
#results th.active { #results th.active {
background: #f3f3f3; background: #f3faff;
} }
#results[data-mode="browse"] th:hover { #results[data-mode="browse"] th:hover {

12
static/index.html
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@ -13,6 +13,7 @@
<script type="text/javascript" src="static/js/ace.js"></script> <script type="text/javascript" src="static/js/ace.js"></script>
<script type="text/javascript" src="static/js/ace-pgsql.js"></script> <script type="text/javascript" src="static/js/ace-pgsql.js"></script>
<script type="text/javascript" src="static/js/bootstrap-contextmenu.js"></script> <script type="text/javascript" src="static/js/bootstrap-contextmenu.js"></script>
<script type="text/javascript" src="static/js/utils.js"></script>
<script type="text/javascript" src="static/js/app.js"></script> <script type="text/javascript" src="static/js/app.js"></script>
</head> </head>
<body> <body>
@ -238,12 +239,19 @@
<li><a href="#" data-action="export" data-format="csv">Export to CSV</a></li> <li><a href="#" data-action="export" data-format="csv">Export to CSV</a></li>
<li><a href="#" data-action="export" data-format="xml">Export to XML</a></li> <li><a href="#" data-action="export" data-format="xml">Export to XML</a></li>
<li class="divider"></li> <li class="divider"></li>
<li><a href="#" data-action="truncate">Truncate table</a></li> <li><a href="#" data-action="truncate">Truncate Table</a></li>
<li><a href="#" data-action="delete">Delete table</a></li> <li><a href="#" data-action="delete">Delete Table</a></li>
</ul> </ul>
</div> </div>
<div id="databases_context_menu"> <div id="databases_context_menu">
<ul class="dropdown-menu" role="menu"></ul> <ul class="dropdown-menu" role="menu"></ul>
</div> </div>
<div id="results_header_menu">
<ul class="dropdown-menu" role="menu">
<li><a href="#" data-action="unique_values" data-counts="false">Unique Values</a></li>
<li><a href="#" data-action="unique_values" data-counts="true">Unique Values + Counts</a></li>
<li><a href="#" data-action="copy_name">Copy Column Name</a></li>
</ul>
</div>
</body> </body>
</html> </html>

78
static/js/app.js
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@ -4,16 +4,6 @@ var bookmarks = {};
var default_rows_limit = 100; var default_rows_limit = 100;
var currentObject = null; var currentObject = null;
if (!Array.prototype.forEach) {
// Simplified iterator for browsers without forEach support
Array.prototype.forEach = function(cb) {
if (typeof this.length != 'number') return;
if (typeof callback != 'function') return;
for (var i = 0; i < this.length; i++) cb(this[i]);
}
}
var filterOptions = { var filterOptions = {
"equal": "= 'DATA'", "equal": "= 'DATA'",
"not_equal": "!= 'DATA'", "not_equal": "!= 'DATA'",
@ -27,11 +17,6 @@ var filterOptions = {
"not_null": "IS NOT NULL" "not_null": "IS NOT NULL"
}; };
function guid() {
function s4() { return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1); }
return [s4(), s4(), "-", s4(), "-", s4(), "-", s4(), "-", s4(), s4(), s4()].join("");
}
function getSessionId() { function getSessionId() {
var id = sessionStorage.getItem("session_id"); var id = sessionStorage.getItem("session_id");
@ -200,7 +185,7 @@ function getCurrentObject() {
function resetTable() { function resetTable() {
$("#results"). $("#results").
attr("data-mode", ""). data("mode", "").
text(""). text("").
removeClass("empty"). removeClass("empty").
removeClass("no-crop"); removeClass("no-crop");
@ -467,13 +452,14 @@ function showTableContent(sortColumn, sortOrder) {
} }
getTableRows(name, opts, function(data) { getTableRows(name, opts, function(data) {
$("#results").attr("data-mode", "browse");
$("#input").hide(); $("#input").hide();
$("#body").prop("class", "with-pagination"); $("#body").prop("class", "with-pagination");
buildTable(data, sortColumn, sortOrder); buildTable(data, sortColumn, sortOrder);
setCurrentTab("table_content"); setCurrentTab("table_content");
updatePaginator(data.pagination); updatePaginator(data.pagination);
$("#results").data("mode", "browse").data("table", name);
}); });
} }
@ -580,15 +566,14 @@ function runQuery() {
$("#query_progress").hide(); $("#query_progress").hide();
$("#input").show(); $("#input").show();
$("#body").removeClass("full"); $("#body").removeClass("full");
$("#results").data("mode", "query");
if (query.toLowerCase().indexOf("explain") != -1) { if (query.toLowerCase().indexOf("explain") != -1) {
$("#results").addClass("no-crop"); $("#results").addClass("no-crop");
} }
var re = /(create|drop)\s/i;
// Reload objects list if anything was created/deleted // Reload objects list if anything was created/deleted
if (query.match(re)) { if (query.match(/(create|drop)\s/i)) {
loadSchemas(); loadSchemas();
} }
}); });
@ -633,6 +618,24 @@ function exportTo(format) {
win.focus(); win.focus();
} }
// Fetch all unique values for the selected column in the table
function showUniqueColumnsValues(table, column, showCounts) {
var query = 'SELECT DISTINCT "' + column + '" FROM ' + table;
// Display results ordered by counts.
// This could be slow on large sets without an index.
if (showCounts) {
query = 'SELECT DISTINCT "' + column + '", COUNT(1) AS total_count FROM ' + table + ' GROUP BY "' + column + '" ORDER BY total_count DESC';
}
executeQuery(query, function(data) {
$("#input").hide();
$("#body").prop("class", "full");
$("#results").data("mode", "query");
buildTable(data);
});
}
function buildTableFilters(name, type) { function buildTableFilters(name, type) {
getTableStructure(name, { type: type }, function(data) { getTableStructure(name, { type: type }, function(data) {
if (data.rows.length == 0) { if (data.rows.length == 0) {
@ -773,7 +776,42 @@ function getConnectionString() {
return url; return url;
} }
// Add a context menu to the results table header columns
function bindTableHeaderMenu() {
$("#results").contextmenu({
scopes: "th",
target: "#results_header_menu",
before: function(e, element, target) {
// Enable menu for browsing table rows view only.
if ($("#results").data("mode") != "browse") {
e.preventDefault();
this.closemenu();
return false;
}
},
onItem: function(context, e) {
var menuItem = $(e.target);
switch(menuItem.data("action")) {
case "copy_name":
copyToClipboard($(context).data("name"));
break;
case "unique_values":
showUniqueColumnsValues(
$("#results").data("table"), // table name
$(context).data("name"), // column name
menuItem.data("counts") // display counts
);
break;
}
}
});
}
function bindContextMenus() { function bindContextMenus() {
bindTableHeaderMenu();
$(".schema-group ul").each(function(id, el) { $(".schema-group ul").each(function(id, el) {
$(el).contextmenu({ $(el).contextmenu({
target: "#tables_context_menu", target: "#tables_context_menu",

28
static/js/utils.js Normal file
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@ -0,0 +1,28 @@
if (!Array.prototype.forEach) {
// Simplified iterator for browsers without forEach support
Array.prototype.forEach = function(cb) {
if (typeof this.length != 'number') return;
if (typeof callback != 'function') return;
for (var i = 0; i < this.length; i++) cb(this[i]);
}
}
function copyToClipboard(text) {
const element = document.createElement("textarea");
element.style.display = "none;"
element.value = text;
document.body.appendChild(element);
element.focus();
element.setSelectionRange(0, element.value.length);
document.execCommand("copy");
document.body.removeChild(element);
}
function guid() {
function s4() { return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1); }
return [s4(), s4(), "-", s4(), "-", s4(), "-", s4(), "-", s4(), s4(), s4()].join("");
}