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Chunwei Lei commented on CALCITE-4046: -------------------------------------- Thank you for reporting this, [~jamie12221]. Could you provide a test case? > Check the number of input nodes(org.apache.calcite.interpreter.SetOpNode) > ------------------------------------------------------------------------- > > Key: CALCITE-4046 > URL: https://issues.apache.org/jira/browse/CALCITE-4046 > Project: Calcite > Issue Type: Improvement > Components: core > Affects Versions: 1.23.0 > Reporter: jamie12221 > Priority: Trivial > > > > > {code:java} > public class SetOpNode implements Node { > private final Source leftSource; > private final Source rightSource; > private final Sink sink; > private final SetOp setOp; > public SetOpNode(Compiler compiler, SetOp setOp) { > leftSource = compiler.source(setOp, 0); > rightSource = compiler.source(setOp, 1); > sink = compiler.sink(setOp); > this.setOp = setOp; > } > {code} > > There may be more than two input nodes. If the input is not checked, the > result set is wrong. -- This message was sent by Atlassian Jira (v8.3.4#803005)