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[feat](Nereids): validate Project list. (#18868)

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This commit is contained in:
jakevin
2023-04-22 12:32:51 +08:00
committed by GitHub
parent c80dc91a78
commit 814f12981d
1 changed files with 3 additions and 1 deletions
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4
fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/Validator.java
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@ -42,6 +42,8 @@ public class Validator extends PlanPostProcessor {
@Override
public Plan visitPhysicalProject(PhysicalProject<? extends Plan> project, CascadesContext context) {
Preconditions.checkArgument(!project.getProjects().isEmpty(), "Project list can't be empty");
Plan child = project.child();
// Forbidden project-project, we must merge project.
if (child instanceof PhysicalProject) {
@ -54,7 +56,7 @@ public class Validator extends PlanPostProcessor {
@Override
public Plan visitPhysicalFilter(PhysicalFilter<? extends Plan> filter, CascadesContext context) {
Preconditions.checkArgument(!filter.getConjuncts().isEmpty()
&& filter.getPredicate() != BooleanLiteral.TRUE);
&& filter.getPredicate() != BooleanLiteral.TRUE, "Filter predicate can't be empty or true");
Plan child = filter.child();
// Forbidden filter-project, we must make filter-project -> project-filter.