singhpk234 commented on code in PR #1686:
URL: https://github.com/apache/polaris/pull/1686#discussion_r2165819496
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persistence/relational-jdbc/src/main/java/org/apache/polaris/persistence/relational/jdbc/JdbcBasePersistenceImpl.java:
##########
@@ -622,6 +632,64 @@ public boolean hasChildren(
}
}
+ private int loadVersion() {
+ PreparedQuery query = QueryGenerator.generateVersionQuery();
+ try {
+ List<SchemaVersion> schemaVersion =
+ datasourceOperations.executeSelect(query, new SchemaVersion());
+ if (schemaVersion == null || schemaVersion.size() != 1) {
+ throw new RuntimeException("Failed to retrieve schema version");
+ }
+ return schemaVersion.getFirst().getValue();
+ } catch (SQLException e) {
+ LOGGER.error("Failed to load schema version due to {}", e.getMessage(),
e);
+ throw new RuntimeException("Failed to retrieve schema version", e);
+ }
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public <T extends PolarisEntity & LocationBasedEntity>
+ Optional<Optional<String>> hasOverlappingSiblings(
+ @Nonnull PolarisCallContext callContext, T entity) {
+ if (this.version < 2) {
+ return Optional.empty();
+ }
+ if (entity.getBaseLocation().chars().filter(ch -> ch == '/').count()
+ > MAX_LOCATION_COMPONENTS) {
+ return Optional.empty();
+ }
+
+ PreparedQuery query =
+ QueryGenerator.generateOverlapQuery(
+ realmId, entity.getParentId(), entity.getBaseLocation());
+ try {
+ var results = datasourceOperations.executeSelect(query, new
ModelEntity());
+ if (!results.isEmpty()) {
+ StorageLocation entityLocation =
StorageLocation.of(entity.getBaseLocation());
+ for (PolarisBaseEntity result : results) {
+ StorageLocation potentialSiblingLocation =
+ StorageLocation.of(((LocationBasedEntity)
result).getBaseLocation());
+ if (entityLocation.isChildOf(potentialSiblingLocation)
+ || potentialSiblingLocation.isChildOf(entityLocation)) {
+ return
Optional.of(Optional.of(potentialSiblingLocation.toString()));
Review Comment:
I think then we are good, I somehow missed you implied this works just not
for s3 and s3a, which is comming very soon !
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