WebI don't speak C, but since the jsonb_array_elements CTE evaluates fine on its own, I am assuming the problem is that some row(s) have a scalar value in jsonbrecords column … WebJul 28, 2024 · This works nice but for some weird reason, I still get cannot extract elements from a scalar if I use my column name instead of null. FuzzyTree about 6 years. @norbertpy forgot to address that - you will have to convert the column value to an json array because both arguments in the coalesce must return a json array
How to sum a value in a JSONB array in Postgresql?
Web1 day ago · I was wondering what the most efficient way is to extract a single double element from an AVX-512 vector without spilling it, using intrinsics. double extract (int idx, __m512d v) { __mmask8 mask = _mm512_int2mask (1 << idx); return _mm512_mask_reduce_add_pd (mask, v); } I can't imagine that this is a good way to do it. WebAug 6, 2013 · Update: I found these two posts here and here that indicate it should work exactly as I am doing. Just to be sure I tried this: postgres=# select * from jtest where data ->> 'k2' = 'two'; ERROR: cannot extract element from a scalar Is there a build option or contrib module I need to get JSON functionality? postgresql-9.3 Share Improve this … bj\\u0027s wholesale credit card
Query works fine in psql , but Django cursor.execute() gives …
WebWhat changed? Set returning functions are disallowed from use in CASE statements from Postgres 10 onwards, and jsonb_array_elements is such a function. Postgres version … WebAug 11, 2024 · Use the function jsonb_array_elements () in a lateral join in the from clause: select cname, sum (coalesce (value, '0')::int) as value from ( select p06->>'cname' as cname, value->>'progress' as value from ryzom_characters cross join jsonb_array_elements (p06->'rpjobs') where cid = 675010 ) s group by cname order by … WebFeb 10, 2024 · By using jsonb_array_elements() function to extract out jsonb data array from Postgres, it gave error: cannot extract elements from a scalar. I assume that it is because of the NULL in the return call, added the NULL checking condition but not work. Any help appreciated. bj\u0027s wholesale corporate email address