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

     1  select
     2    (a + b) - c, (a - b) + c,  -- verify associativity at top
     3    a + (b - c), a - (b + c),  -- ditto
     4    ((a + b) - c) + d, ((a - b) + c) + d, -- veriffy associativity in sub-expr
     5    (a + (b - c)) + d, (a - (b + c)) + d, -- ditto
     6    ((a + b) - c) - d, ((a - b) + c) - d, -- ditto
     7    (a + (b - c)) - d, (a - (b + c)) - d, -- ditto
     8    d + ((a + b) - c), d + ((a - b) + c), -- ditto
     9    d + (a + (b - c)), d + (a - (b + c)), -- ditto
    10    d - ((a + b) - c), d - ((a - b) + c), -- ditto
    11    d - (a + (b - c)), d - (a - (b + c)), -- ditto
    12    ((a1/a2)/(b/c))/((d/e)/f),            -- ditto
    13    (a+b)*(c*d),                 -- mixed precedence
    14    a+(b*c), (a+b)*c             -- ditto