dimas-b commented on code in PR #3820:
URL: https://github.com/apache/polaris/pull/3820#discussion_r3210298515
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plugins/spark/v3.5/spark/src/main/java/org/apache/polaris/spark/SparkCatalog.java:
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@@ -135,16 +145,42 @@ public void initialize(String name,
CaseInsensitiveStringMap options) {
initRESTCatalog(name, options);
this.deltaHelper = new DeltaHelper(options);
this.hudiHelper = new HudiHelper(options);
- this.paimonHelper = new PaimonHelper(options);
+ this.paimonHelper = new PaimonHelper(name, options);
}
@Override
public Table loadTable(Identifier ident) throws NoSuchTableException {
+ // First, try to load as an Iceberg table
try {
return this.icebergsSparkCatalog.loadTable(ident);
} catch (NoSuchTableException e) {
- return this.polarisSparkCatalog.loadTable(ident);
+ // Not an Iceberg table, fall through to handle as generic table
}
+
+ // For generic tables, check the format/provider to decide delegation
+ // Use getTableFormat to avoid triggering Spark DataSource resolution for
routing decisions
+ String provider = this.polarisSparkCatalog.getTableFormat(ident);
+
+ // Delegate to the appropriate catalog based on the provider
+ if (PolarisCatalogUtils.usePaimon(provider)) {
+ try {
+ // For Paimon tables, use Paimon's SparkCatalog to load the table
+ // This ensures proper handling of Paimon's metadata and schema files
+ TableCatalog paimonCatalog = paimonHelper.loadPaimonCatalog();
+ return paimonCatalog.loadTable(ident);
Review Comment:
These look like substantial implementation changes, but the PR title
mentions only "Add tests" 🤔 Could you update the PR title to be more aligned
with actual code changes?
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