roryqi commented on code in PR #10536:
URL: https://github.com/apache/gravitino/pull/10536#discussion_r2985391598
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iceberg/iceberg-rest-server/src/main/java/org/apache/gravitino/iceberg/service/rest/IcebergTableOperations.java:
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@@ -311,13 +313,23 @@ public Response loadTable(
TableIdentifier tableIdentifier = TableIdentifier.of(icebergNS,
tableName);
IcebergRequestContext context =
new IcebergRequestContext(httpServletRequest(), catalogName,
isCredentialVending);
+
+ // Fast path: if client sent If-None-Match, try to resolve ETag
without full table load
+ if (ifNoneMatch != null && !ifNoneMatch.isEmpty()) {
+ String metadataLocation =
+ tableOperationDispatcher.getTableMetadataLocation(context,
tableIdentifier);
Review Comment:
If the catalog doesn't support `getTableMetadataLocation`, we should get
metalake location using the method `loadTable`.
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