github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/sql/opt/xform/testdata/coster/select (about)

     1  exec-ddl
     2  CREATE TABLE a (k INT PRIMARY KEY, i INT, s STRING, d DECIMAL NOT NULL)
     3  ----
     4  
     5  opt
     6  SELECT k, s FROM a WHERE s >= 'foo'
     7  ----
     8  select
     9   ├── columns: k:1!null s:3!null
    10   ├── stats: [rows=333.333333, distinct(3)=33.3333333, null(3)=0]
    11   ├── cost: 1070.03
    12   ├── key: (1)
    13   ├── fd: (1)-->(3)
    14   ├── scan a
    15   │    ├── columns: k:1!null s:3
    16   │    ├── stats: [rows=1000, distinct(1)=1000, null(1)=0, distinct(3)=100, null(3)=10]
    17   │    ├── cost: 1060.02
    18   │    ├── key: (1)
    19   │    └── fd: (1)-->(3)
    20   └── filters
    21        └── s:3 >= 'foo' [outer=(3), constraints=(/3: [/'foo' - ]; tight)]