Most likely it urlshould be identical to the meta tag og:urlif it is used on your website. Also you need to add a part http://for its work. For example, this would work:
SELECT url,site,id
FROM object_url
WHERE url IN (
'http://developers.facebook.com',
'http://www.imdb.com/'
)
Result:
[
{
"url": "http://developers.facebook.com",
"site": "developers.facebook.com",
"id": 113167538713703
},
{
"url": "http://www.imdb.com/",
"site": "www.imdb.com",
"id": 6903354771
}
]
But this is not so:
SELECT url,site,id
FROM object_url
WHERE url IN (
'developers.facebook.com',
'www.imdb.com/'
)
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