xzh_dz created CALCITE-4778: ------------------------------- Summary: Exchange operator deserialize fail Key: CALCITE-4778 URL: https://issues.apache.org/jira/browse/CALCITE-4778 Project: Calcite Issue Type: Improvement Reporter: xzh_dz
{code:java} // code placeholder org.apache.calcite.plan.RelWriterTest @Test public void testExchange() { final FrameworkConfig config = RelBuilderTest.config().build(); final RelBuilder builder = RelBuilder.create(config); final RelNode rel = builder .scan("EMP") .exchange(RelDistributions.hash(ImmutableList.of(0, 1))) .build(); final String relJson = RelOptUtil.dumpPlan("", rel, SqlExplainFormat.JSON, SqlExplainLevel.EXPPLAN_ATTRIBUTES); String s = deserializeAndDumpToTextFormat(getSchema(rel), relJson); final String expected = "" + "LogicalExchange(distribution=[hash[0, 1]])\n" + " LogicalTableScan(table=[[scott, EMP]])\n"; assertThat(s, isLinux(expected)); } {code} java.lang.NullPointerException: no entry for tag collationjava.lang.NullPointerException: no entry for tag collationjava.lang.RuntimeException: java.lang.NullPointerException: no entry for tag collation at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:193) at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:135) at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:153) Caused by: java.lang.NullPointerException: no entry for tag collationCaused by: java.lang.NullPointerException: no entry for tag collation at java.util.Objects.requireNonNull(Objects.java:290) at org.apache.calcite.rel.externalize.RelJsonReader$2.getNonNull(RelJsonReader.java:202) at org.apache.calcite.rel.externalize.RelJsonReader$2.getCollation(RelJsonReader.java:260) at org.apache.calcite.rel.core.Exchange.<init>(Exchange.java:73) at org.apache.calcite.rel.logical.LogicalExchange.<init>(LogicalExchange.java:44) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:289) at org.apache.calcite.rel.externalize.RelJsonReader.readRels(RelJsonReader.java:107) -- This message was sent by Atlassian Jira (v8.3.4#803005)