yuzelin commented on code in PR #852:
URL: https://github.com/apache/incubator-paimon/pull/852#discussion_r1161530985
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paimon-core/src/main/java/org/apache/paimon/utils/PartitionPathUtils.java:
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@@ -81,6 +83,36 @@ public static String
generatePartitionPath(LinkedHashMap<String, String> partiti
return suffixBuf.toString();
}
+ /**
+ * Generate all hierarchical paths from partition spec.
+ *
+ * <p>For example, if the partition spec is (pt1: '0601', pt2: '12', pt3:
'30'), this method
+ * will return a list (start from index 0):
+ *
+ * <ul>
+ * <li>[root]/pt1=0601
+ * <li>[root]/pt1=0601/pt2=12
+ * <li>[root]/pt1=0601/pt2=12/pt3=30
+ * </ul>
+ */
+ public static List<String> generateHierarchicalPartitionPaths(
+ LinkedHashMap<String, String> partitionSpec) {
+ List<String> paths = new ArrayList<>();
+ if (partitionSpec.isEmpty()) {
+ paths.add("");
Review Comment:
It‘s useful for creating bucket path. Similar to
`PartitionPathUtils#generatePartitionPath`
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