ygf11 commented on issue #4210:
URL:
https://github.com/apache/arrow-datafusion/issues/4210#issuecomment-1316123771
Like join and selection in PostgreSQL , it will report an error:
```sql
psql -d "$POSTGRES_DB" -h "$POSTGRES_HOST" -p "$POSTGRES_PORT" -U
"$POSTGRES_USER" -c "select c0 from test0, test1"
ERROR: column reference "c0" is ambiguous
LINE 1: select c0 from test0, test1
^
```
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