Inconsistent quote "as-is" handling

[seancorfield]

From Slack:

user=> (->
{:create-table-as [(keyword "'`a-b.b-c.c-d`")]
 :select          [:*]
 :from            [(keyword "'`a-b.b-c.c-d`")]}
(sql/format))
["CREATE TABLE \"'`a_b\".b_c.\"c_d`\" AS SELECT * FROM `a-b.b-c.c-d`"]