   [3mAttention: the data frames do not match exactly, but as no primary key columns are [0m
   [3mprovided, the row and column matches cannot be computed.[0m

 [1mSchemas[0m
 ▔▔▔▔▔▔▔
   ┏━━━━━━━━━━━━┳━━━━━━━━━━━━┓
   ┃[1;31m [0m[1;31mLeft only [0m[1;31m [0m┃[1m [0m[1mIn common [0m[1m [0m┃
   ┃[1;31m [0m[1;31m2 columns [0m[1;31m [0m┃[1m [0m[1m 1 column [0m[1m [0m┃
   ┡━━━━━━━━━━━━╇━━━━━━━━━━━━┩
   │   [36mcol_a[0m    │    ...     │
   │   [36mcol_b[0m    │            │
   └────────────┴────────────┘
