[chore](Variant) forbid variant type as hash join key (#41673) (#41974)

pick from master #41673
This commit is contained in:
morrySnow
2024-10-17 11:06:37 +08:00
committed by GitHub
parent f98aa1d08b
commit 169a12058b
2 changed files with 40 additions and 0 deletions

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@ -41,6 +41,7 @@ import org.apache.doris.nereids.trees.plans.algebra.Generate;
import org.apache.doris.nereids.trees.plans.logical.LogicalAggregate;
import org.apache.doris.nereids.trees.plans.logical.LogicalDeferMaterializeOlapScan;
import org.apache.doris.nereids.trees.plans.logical.LogicalFilter;
import org.apache.doris.nereids.trees.plans.logical.LogicalJoin;
import org.apache.doris.nereids.trees.plans.logical.LogicalOlapScan;
import org.apache.doris.nereids.trees.plans.logical.LogicalSort;
import org.apache.doris.nereids.trees.plans.logical.LogicalTopN;
@ -179,6 +180,18 @@ public class CheckAfterRewrite extends OneAnalysisRuleFactory {
throw new AnalysisException(Type.OnlyMetricTypeErrorMsg);
}
});
} else if (plan instanceof LogicalJoin) {
LogicalJoin<?, ?> join = (LogicalJoin<?, ?>) plan;
for (Expression conjunct : join.getHashJoinConjuncts()) {
if (conjunct.anyMatch(e -> ((Expression) e).getDataType().isVariantType())) {
throw new AnalysisException("variant type could not in join equal conditions: " + conjunct.toSql());
}
}
for (Expression conjunct : join.getMarkJoinConjuncts()) {
if (conjunct.anyMatch(e -> ((Expression) e).getDataType().isVariantType())) {
throw new AnalysisException("variant type could not in join equal conditions: " + conjunct.toSql());
}
}
}
}

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@ -0,0 +1,27 @@
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
suite("test_join_on", "nereids_p0") {
sql "SET enable_nereids_planner=true"
sql "SET enable_fallback_to_original_planner=false"
test {
sql """select * from (select cast('' as variant) as a) t1 join (select cast('' as variant) as a) t2 on t1.a = t2.a"""
exception "variant type could not in join equal conditions"
}
}