How to use

rel

method

in

org.apache.calcite.rel.metadata.Metadata

builder.add(metadata.rel());
if (args != null) {
 for (Object arg : args) {
long timestamp = planner.getRelMetadataTimestamp(metadata.rel());

builder.add(metadata.rel());
if (args != null) {
 for (Object arg : args) {
long timestamp = planner.getRelMetadataTimestamp(metadata.rel());

builder.add(method);
builder.add(metadata.rel());
if (args != null) {
 for (Object arg : args) {
CacheKey key = new CacheKey(internalKey);
long timestamp = planner.getRelMetadataTimestamp(metadata.rel());