first commit

mongoQuery.msh

@@ -0,0 +1,17 @@
+// Kw6pSBMvxgcHTh3X
+// count duplicates
+db.Catalog.aggregate({ $group: { _id: { ean: '$ean', site: '$site' }, count: { $sum: 1 } } }, { $match: { count: { $gt: 1 } } }, { $count: 'ean' })
+
+// count ean for site
+db.Catalog.aggregate({ $group: { _id: { ean: '$ean', site: '$site' } } }, { $count: 'ean' })
+
+// image empty
+db.Catalog.aggregate({ $match: { site_main_img: null } }, { $count: 'ean' })
+
+
+// rename field
+db.Catalog.updateMany({}, { $rename: { Ean: 'ean', Site: 'site', Uri: 'url' } })
+
+// GD4eYvJMHUkXmajs
+
+db.Catalog.find({main_img: {$ne: null}}).limit(1)