garrensmith commented on a change in pull request #993: Display Mango execution
statistics, when available
URL: https://github.com/apache/couchdb-fauxton/pull/993#discussion_r142931614
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File path: app/addons/documents/mango/mango.api.js
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@@ -84,6 +84,30 @@ export const fetchIndexes = (databaseName, params) => {
});
};
+// assume all databases being accessed are on the same
+// host / CouchDB version
+let supportsExecutionStatsCache = null;
+const supportsExecutionStats = (databaseName) => {
+ if (supportsExecutionStatsCache === null) {
+ return new FauxtonAPI.Promise((resolve) => {
+ mangoQuery(databaseName, {
+ selector: {
+ "_id": {"$gt": "a" }
+ },
+ execution_stats: true
+ }, {limit: 1})
+ .then(resp => {
+ supportsExecutionStatsCache = resp.status == 200;
+ resolve(supportsExecutionStatsCache);
+ });
+ });
+ } else {
Review comment:
You don'e need an else since you are returning in the if.
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