zongxing.li created CALCITE-5620:
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Summary: DruidQuery can not work with RelJson
Key: CALCITE-5620
URL: https://issues.apache.org/jira/browse/CALCITE-5620
Project: Calcite
Issue Type: Bug
Components: core, druid-adapter
Affects Versions: 1.34.0
Reporter: zongxing.li
DruidQuery put intervals property to items in explainTerms function. But
RelJson not support serializable Interval type.
{code:java}
@Override public RelWriter explainTerms(RelWriter pw) {
for (RelNode rel : rels) {
if (rel instanceof TableScan) {
TableScan tableScan = (TableScan) rel;
pw.item("table", tableScan.getTable().getQualifiedName());
pw.item("intervals", intervals); {code}
{code:java}
java.lang.UnsupportedOperationException: type not serializable:
1900-01-09T00:00:00.000Z/2992-01-10T00:00:00.000Z (type org.joda.time.Interval)
at org.apache.calcite.rel.externalize.RelJson.toJson(RelJson.java:465)
at org.apache.calcite.rel.externalize.RelJson.toJson(RelJson.java:444)
at
org.apache.calcite.rel.externalize.RelJsonWriter.put(RelJsonWriter.java:102)
at
org.apache.calcite.rel.externalize.RelJsonWriter.explain_(RelJsonWriter.java:85)
at
org.apache.calcite.rel.externalize.RelJsonWriter.done(RelJsonWriter.java:135)
at org.apache.calcite.rel.AbstractRelNode.explain(AbstractRelNode.java:251)
at org.apache.calcite.plan.RelOptUtil.dumpPlan(RelOptUtil.java:2105){code}
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