a	Nullable(Int64)					
obj	Tuple(\n    f1 Nullable(Int64),\n    f2 Nullable(String),\n    f3 Nullable(Int64))					
b	Nullable(Int64)					
c	Nullable(String)					
{"a":"1","obj":{"f1":"1","f2":"2020-01-01","f3":null},"b":null,"c":null}
{"a":null,"obj":{"f1":null,"f2":"Some string","f3":"2"},"b":"2","c":null}
{"a":null,"obj":{"f1":null,"f2":null,"f3":null},"b":null,"c":"hello"}
UNION	data1.jsonl	a Nullable(Int64), obj Tuple(f1 Nullable(Int64), f2 Nullable(Date))
UNION	data2.jsonl	b Nullable(Int64), obj Tuple(f2 Nullable(String), f3 Nullable(Int64))
UNION	data3.jsonl	c Nullable(String)
c	Nullable(String)					
a	Nullable(Int64)					
obj	Tuple(\n    f1 Nullable(Int64),\n    f2 Nullable(String),\n    f3 Nullable(Int64))					
b	Nullable(Int64)					
c	Nullable(String)					
a	Nullable(Int64)					
obj	Tuple(\n    f1 Nullable(Int64),\n    f2 Nullable(String),\n    f3 Nullable(Int64))					
b	Nullable(Int64)					
c	Nullable(String)					
{"a":"1","obj":{"f1":"1","f2":"2020-01-01","f3":null},"b":null,"c":null}
{"a":null,"obj":{"f1":null,"f2":"Some string","f3":"2"},"b":"2","c":null}
{"a":null,"obj":{"f1":null,"f2":null,"f3":null},"b":null,"c":"hello"}
UNION	archive.tar::data1.jsonl	a Nullable(Int64), obj Tuple(f1 Nullable(Int64), f2 Nullable(Date))
UNION	archive.tar::data2.jsonl	b Nullable(Int64), obj Tuple(f2 Nullable(String), f3 Nullable(Int64))
UNION	archive.tar::data3.jsonl	c Nullable(String)
c	Nullable(String)					
a	Nullable(Int64)					
obj	Tuple(\n    f1 Nullable(Int64),\n    f2 Nullable(String),\n    f3 Nullable(Int64))					
b	Nullable(Int64)					
c	Nullable(String)					
1
1
1