-- { echoOn }

SELECT dumpColumnStructure(id) FROM sparse_t;
UInt64, Sparse(size = 2, UInt64(size = 2), UInt64(size = 1))
UInt64, Sparse(size = 2, UInt64(size = 2), UInt64(size = 1))
SELECT dumpColumnStructure(materialize(id)) FROM sparse_t;
UInt64, UInt64(size = 2)
UInt64, UInt64(size = 2)
SELECT dumpColumnStructure(u) FROM sparse_t;
UInt64, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0))
UInt64, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0))
SELECT dumpColumnStructure(materialize(u)) FROM sparse_t;
UInt64, UInt64(size = 2)
UInt64, UInt64(size = 2)
SELECT dumpColumnStructure(s) FROM sparse_t;
String, Sparse(size = 2, String(size = 2), UInt64(size = 1))
String, Sparse(size = 2, String(size = 2), UInt64(size = 1))
SELECT dumpColumnStructure(materialize(s)) FROM sparse_t;
String, String(size = 2)
String, String(size = 2)
SELECT dumpColumnStructure(arr1) FROM sparse_t;
Array(String), Array(size = 2, UInt64(size = 2), String(size = 1))
Array(String), Array(size = 2, UInt64(size = 2), String(size = 1))
SELECT dumpColumnStructure(materialize(arr1)) FROM sparse_t;
Array(String), Array(size = 2, UInt64(size = 2), String(size = 1))
Array(String), Array(size = 2, UInt64(size = 2), String(size = 1))
SELECT dumpColumnStructure(arr2) FROM sparse_t;
Array(UInt64), Array(size = 2, UInt64(size = 2), UInt64(size = 1))
Array(UInt64), Array(size = 2, UInt64(size = 2), UInt64(size = 1))
SELECT dumpColumnStructure(materialize(arr2)) FROM sparse_t;
Array(UInt64), Array(size = 2, UInt64(size = 2), UInt64(size = 1))
Array(UInt64), Array(size = 2, UInt64(size = 2), UInt64(size = 1))
SELECT dumpColumnStructure(t) FROM sparse_t;
Tuple(a UInt64, s String), Tuple(size = 2, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0)), Sparse(size = 2, String(size = 1), UInt64(size = 0)))
Tuple(a UInt64, s String), Tuple(size = 2, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0)), Sparse(size = 2, String(size = 1), UInt64(size = 0)))
SELECT dumpColumnStructure(materialize(t)) FROM sparse_t;
Tuple(a UInt64, s String), Tuple(size = 2, UInt64(size = 2), String(size = 2))
Tuple(a UInt64, s String), Tuple(size = 2, UInt64(size = 2), String(size = 2))
SELECT dumpColumnStructure(t.a) FROM sparse_t;
UInt64, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0))
UInt64, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0))
SELECT dumpColumnStructure(materialize(t.a)) FROM sparse_t;
UInt64, UInt64(size = 2)
UInt64, UInt64(size = 2)
SELECT dumpColumnStructure(t.s) FROM sparse_t;
String, Sparse(size = 2, String(size = 1), UInt64(size = 0))
String, Sparse(size = 2, String(size = 1), UInt64(size = 0))
SELECT dumpColumnStructure(materialize(t.s)) FROM sparse_t;
String, String(size = 2)
String, String(size = 2)