ZOrderingSpec:
+ https://iceberg.apache.org/docs/1.4.2/spark-procedures/ 
A table with no particular order
- should have z-ordered files after rewriting the data
  + Given 40000 rows of data that look like
			Datum(8871,label_8871,1,2001-01-28,2025-05-13 17:07:33.888)
			Datum(28580,label_28580,0,1947-02-12,2025-05-13 18:13:15.688)
			Datum(24317,label_24317,2,1958-10-15,2025-05-13 17:59:03.088)
			...
are initially written to table 'polaris.my_namespace.ZOrderingSpec' 
  + When we execute the SQL:
CALL system.rewrite_data_files(
table => "polaris.my_namespace.ZOrderingSpec",
strategy => 'sort',
sort_order => 'zorder(id, date)',
options => map('min-input-files','4', 'target-file-size-bytes','49152')
) 
  + Then added to the original 4 files are:
/tmp/polaris/my_namespace/ZOrderingSpec/data/00002-1131-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00004-1133-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00001-1130-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00002-1131-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00006-1135-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00007-1136-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00000-1129-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00009-1138-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00007-1136-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00007-1136-8745e865-6a71-484c-a5aa-16f67448a645-0-00003.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00003-1132-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00008-1137-8745e865-6a71-484c-a5aa-16f67448a645-0-00003.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00008-1137-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00003-1132-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00005-1134-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00009-1138-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00006-1135-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00001-1130-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00005-1134-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00000-1129-8745e865-6a71-484c-a5aa-16f67448a645-0-00003.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00009-1138-8745e865-6a71-484c-a5aa-16f67448a645-0-00003.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00004-1133-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00002-1131-8745e865-6a71-484c-a5aa-16f67448a645-0-00003.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00003-1132-8745e865-6a71-484c-a5aa-16f67448a645-0-00003.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00008-1137-8745e865-6a71-484c-a5aa-16f67448a645-0-00002.parquet
/tmp/polaris/my_namespace/ZOrderingSpec/data/00000-1129-8745e865-6a71-484c-a5aa-16f67448a645-0-00001.parquet
 
  + And there is no overlap in the `id` dimension. The ranges of the id look like:
0 to 1999
2000 to 3999
4000 to 4414
4415 to 6414
6415 to 8137
8138 to 10137
10138 to 12137
12138 to 12180
12181 to 14180
14181 to 16180
16181 to 16229
16230 to 18229
18230 to 20033
20034 to 22033
22034 to 23757
23758 to 25757
25758 to 27544
27545 to 29544
29545 to 31544
31545 to 31575
31576 to 33575
33576 to 35575
35576 to 35791
35792 to 37791
37792 to 39791
39792 to 39999
 
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +  
- should needs its data rewritten to maintain its z-order
  + Given a z-ordered table called 'polaris.my_namespace.ZOrderingSpec' 
  + When 40000 rows of new data that look like
			Datum(69191,label_29191,1,1945-06-11,2025-05-13 18:15:17.888)
			Datum(59351,label_19351,1,1972-05-20,2025-05-13 17:42:29.888)
			Datum(58757,label_18757,2,1974-01-04,2025-05-13 17:40:31.088)
			...
are appended to table 'polaris.my_namespace.ZOrderingSpec' 
  + Then the ranges of the ids overlap in the 4 new files and look like:
40000 to 79997
40001 to 79993
40002 to 79996
40003 to 79999
 
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +  
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +