[BUGS] BUG #14849: jsonb_build_object doesn't like VARIADIC calls very much

The following bug has been logged on the website:

Bug reference:      14849
Logged by:          Marko Tiikkaja
Email address:      marko@joh.to
PostgreSQL version: 10.0
Operating system:   Linux
Description:

Hi,

This query fails with an unreasonable error message:
 =# SELECT jsonb_build_object(VARIADIC '{a,b}'::text[]); ERROR:  invalid number of arguments: object must be matched
keyvalue 
pairs

jsonb_object(text[]) can be used instead in this case, so perhaps
jsonb_build_object() could simply point to that one if a variadic call like
this is made?


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