github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/sql/opt/optgen/exprgen/testdata/values (about)

     1  expr
     2  (Values
     3    [
     4      (Tuple [ (Const 1 "int") (Const 1 "int") ] "tuple{int, int}" )
     5      (Tuple [ (Const 2 "int") (Const 2 "int") ] "tuple{int, int}" )
     6    ]
     7    [ (Cols [ (NewColumn "a" "int") (NewColumn "b" "int") ]) ]
     8  )
     9  ----
    10  values
    11   ├── columns: a:1(int!null) b:2(int!null)
    12   ├── cardinality: [2 - 2]
    13   ├── stats: [rows=2]
    14   ├── cost: 0.03
    15   ├── prune: (1,2)
    16   ├── tuple [type=tuple{int, int}]
    17   │    ├── const: 1 [type=int]
    18   │    └── const: 1 [type=int]
    19   └── tuple [type=tuple{int, int}]
    20        ├── const: 2 [type=int]
    21        └── const: 2 [type=int]
    22  
    23  expr
    24  (Project
    25    (Values
    26      [ (Tuple [ (Const 1 "int") ] "tuple{int}" ) ]
    27      [ (Cols [ (NewColumn "x" "int") ]) ]
    28    )
    29    [ (ProjectionsItem (Plus (Var "x") (Const 10 "int")) (NewColumn "y" "int")) ]
    30    "x"
    31  )
    32  ----
    33  project
    34   ├── columns: y:2(int!null) x:1(int!null)
    35   ├── cardinality: [1 - 1]
    36   ├── stats: [rows=1]
    37   ├── cost: 0.05
    38   ├── key: ()
    39   ├── fd: ()-->(1,2)
    40   ├── prune: (1,2)
    41   ├── values
    42   │    ├── columns: x:1(int!null)
    43   │    ├── cardinality: [1 - 1]
    44   │    ├── stats: [rows=1]
    45   │    ├── cost: 0.02
    46   │    ├── key: ()
    47   │    ├── fd: ()-->(1)
    48   │    ├── prune: (1)
    49   │    └── tuple [type=tuple{int}]
    50   │         └── const: 1 [type=int]
    51   └── projections
    52        └── plus [as=y:2, type=int, outer=(1)]
    53             ├── variable: x:1 [type=int]
    54             └── const: 10 [type=int]