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loopback-datasource-juggler
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Merge pull request #1007 from horiaradu/master 

Optimize related model queries
This commit is contained in:
Amir-61 2016-08-03 16:24:32 -04:00 committed by GitHub
parent d02720252e c3f62991c3
commit c2a683bca4
1 changed files with 7 additions and 0 deletions
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7
lib/include.js
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@ -212,6 +212,9 @@ Inclusion.include = function(objects, include, options, cb) {
} }
} }
} }
if (!foreignKeys.length) {
return cb(null, []);
}
if (filter.limit || filter.skip || filter.offset) { if (filter.limit || filter.skip || filter.offset) {
// Force the find to be performed per FK to honor the pagination // Force the find to be performed per FK to honor the pagination
pageSize = 1; pageSize = 1;
@ -235,6 +238,10 @@ Inclusion.include = function(objects, include, options, cb) {
} }
var items = []; var items = [];
// Optimization: no need to resolve keys that are an empty array
listOfFKs = listOfFKs.filter(function(keys) {
return keys.length > 0;
});
async.each(listOfFKs, function(foreignKeys, done) { async.each(listOfFKs, function(foreignKeys, done) {
var newFilter = {}; var newFilter = {};
for (var f in filter) { for (var f in filter) {