Arup Rakshit <ar@xxxxxxx> writes: > I wrote the below SQL which works and give me what I want, but it doesn’t work in 9.5 version. I wrote this query in PG 10. I want to change it so that I can run it on 9.5 as production using 9.5 version. I need help on this. > SELECT DISTINCT > ARRAY [jsonb_array_elements(data) ->> 'group', jsonb_array_elements(jsonb_array_elements(data) -> 'properties') ->> 'name'] > FROM > "vessels" > WHERE > "vessels"."deleted_at" IS NULL > AND "vessels"."company_id" = '7d105acd-be5a-4225-a2db-b549105e4172'; > When I ran the same query to production I get error: > ERROR: set-valued function called in context that cannot accept a set IIRC, you can't nest calls of set-returning functions before about v10. One workaround is to put the inner set-returning function call into a sub-select. regards, tom lane
