github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/sql/sem/tree/testdata/pretty/srfs.sql (about)

     1  select * from
     2     generate_series(a), -- a simple scalar expression
     3     rows from(generate_series(b)), -- a rows from clause that can be elided
     4     rows from(generate_series(a), generate_series(b)) -- this one not