github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/docs/generated/sql/bnf/select_clause.bnf (about) 1 select_clause ::= 2 ( simple_select_clause | values_clause | table_clause | set_operation ) 3 | '(' ( simple_select_clause | values_clause | table_clause | set_operation ) ')'