anoopj commented on code in PR #14867:
URL: https://github.com/apache/iceberg/pull/14867#discussion_r2670235921
##########
core/src/main/java/org/apache/iceberg/rest/RESTCatalogProperties.java:
##########
@@ -37,12 +37,107 @@ private RESTCatalogProperties() {}
public static final String NAMESPACE_SEPARATOR = "namespace-separator";
- // Enable planning on the REST server side
- public static final String REST_SCAN_PLANNING_ENABLED =
"rest-scan-planning-enabled";
- public static final boolean REST_SCAN_PLANNING_ENABLED_DEFAULT = false;
+ // Configure scan planning mode
+ // Can be set by server in LoadTableResponse.config() or by client in
catalog properties
+ // Negotiation rules: ONLY beats PREFERRED, both PREFERRED = client wins
+ // Default when neither client nor server provides: client-preferred
+ public static final String SCAN_PLANNING_MODE = "scan-planning-mode";
+ public static final String SCAN_PLANNING_MODE_DEFAULT =
+ ScanPlanningMode.CLIENT_PREFERRED.modeName();
public enum SnapshotMode {
ALL,
REFS
}
+
+ /**
+ * Enum to represent scan planning mode configuration.
+ *
+ * <p>Can be configured by:
+ *
+ * <ul>
+ * <li>Server: Returned in LoadTableResponse.config() to advertise server
preference/requirement
+ * <li>Client: Set in catalog properties to set client
preference/requirement
+ * </ul>
+ *
+ * <p>When both client and server configure this property, the values are
negotiated:
+ *
+ * <p>Values:
+ *
+ * <ul>
+ * <li>CLIENT_ONLY - MUST use client-side planning. Fails if paired with
CATALOG_ONLY from other
+ * side.
+ * <li>CLIENT_PREFERRED (default) - Prefer client-side planning but
flexible.
+ * <li>CATALOG_PREFERRED - Prefer server-side planning but flexible. Falls
back to client if
+ * server doesn't support planning endpoints.
+ * <li>CATALOG_ONLY - MUST use server-side planning. Requires server
support. Fails if paired
+ * with CLIENT_ONLY from other side.
+ * </ul>
+ *
+ * <p>Negotiation rules when both sides are configured:
+ *
+ * <ul>
+ * <li><b>Incompatible</b>: CLIENT_ONLY + CATALOG_ONLY = FAIL
+ * <li><b>ONLY beats PREFERRED</b>: One "ONLY" + opposite "PREFERRED" =
ONLY wins (inflexible
+ * beats flexible)
+ * <li><b>Both PREFERRED</b>: Different PREFERRED types = Client config
wins
+ * <li><b>Both same</b>: Use that planning type
+ * <li><b>Only one configured</b>: Use the configured side
+ * </ul>
+ */
+ public enum ScanPlanningMode {
+ CLIENT_ONLY("client-only"),
+ CLIENT_PREFERRED("client-preferred"),
+ CATALOG_PREFERRED("catalog-preferred"),
+ CATALOG_ONLY("catalog-only");
+
+ private final String modeName;
+
+ ScanPlanningMode(String modeName) {
+ this.modeName = modeName;
+ }
+
+ public String modeName() {
+ return modeName;
+ }
+
+ public boolean isClientOnly() {
+ return this == CLIENT_ONLY;
+ }
+
+ public boolean isCatalogOnly() {
+ return this == CATALOG_ONLY;
+ }
+
+ public boolean isOnly() {
+ return this == CLIENT_ONLY || this == CATALOG_ONLY;
+ }
+
+ public boolean isPreferred() {
+ return this == CLIENT_PREFERRED || this == CATALOG_PREFERRED;
+ }
+
+ public boolean prefersClient() {
+ return this == CLIENT_ONLY || this == CLIENT_PREFERRED;
+ }
+
+ public boolean prefersCatalog() {
+ return this == CATALOG_ONLY || this == CATALOG_PREFERRED;
+ }
+
+ public static ScanPlanningMode fromString(String mode) {
+ if (mode == null) {
+ return CLIENT_ONLY;
Review Comment:
This is not consistent with the doc above states that `CLIENT_PREFERRED` is
the default. Is this intentional?
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
