morrySnow commented on code in PR #13091:
URL: https://github.com/apache/doris/pull/13091#discussion_r990582108
##########
fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java:
##########
@@ -200,6 +200,7 @@ public class SessionVariable implements Serializable,
Writable {
public static final String ENABLE_NEREIDS_RUNTIME_FILTER =
"enable_nereids_runtime_filter";
public static final String NEREIDS_STAR_SCHEMA_SUPPORT =
"nereids_star_schema_support";
+ public static final String ENABLE_NEREIDS_DEBUG = "enable_nereids_debug";
Review Comment:
debug -> trace
##########
fe/fe-core/src/main/java/org/apache/doris/statistics/StatsDeriveResult.java:
##########
@@ -146,4 +146,13 @@ public StatsDeriveResult merge(StatsDeriveResult other) {
public StatsDeriveResult copy() {
return new StatsDeriveResult(this);
}
+
+ @Override
+ public String toString() {
+ StringBuilder builder = new StringBuilder();
+ builder.append(" stats=(rows:").append(rowCount)
+ .append(" isReduced:").append(isReduced)
+ .append(" width:").append(width).append(")");
Review Comment:
i think we'd better to keep string format like other class.
```
xxx (k = v, ...)
```
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/physical/PhysicalHashJoin.java:
##########
@@ -88,6 +88,16 @@ public <R, C> R accept(PlanVisitor<R, C> visitor, C context)
{
@Override
public String toString() {
+ if (statsDeriveResult != null) {
+ return Utils.toSqlString("PhysicalHashJoin",
+ "type", joinType,
+ "hashJoinCondition", hashJoinConjuncts,
+ "otherJoinCondition", otherJoinCondition,
+ "estimateRows", statsDeriveResult.getRowCount(),
+ "isReduced", statsDeriveResult.isReduced,
+ "width", statsDeriveResult.width
Review Comment:
why print stats info in plans? i don't think this is a good idea
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