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Add a limit to the number of columns in the CLUSTERED BY clause (#13352)
* Add clustered by limit * change semantics, add docs * add fault class to the module * add test * unambiguate test
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89
...ery/src/main/java/org/apache/druid/msq/indexing/error/TooManyClusteredByColumnsFault.java
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| @@ -0,0 +1,89 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.druid.msq.indexing.error; | ||
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| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
| import com.fasterxml.jackson.annotation.JsonTypeName; | ||
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| import java.util.Objects; | ||
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| @JsonTypeName(TooManyClusteredByColumnsFault.CODE) | ||
| public class TooManyClusteredByColumnsFault extends BaseMSQFault | ||
| { | ||
| static final String CODE = "TooManyClusteredByColumns"; | ||
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| private final int numColumns; | ||
| private final int maxColumns; | ||
| private final int stage; | ||
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| @JsonCreator | ||
| public TooManyClusteredByColumnsFault( | ||
| @JsonProperty("numColumns") final int numColumns, | ||
| @JsonProperty("maxColumns") final int maxColumns, | ||
| @JsonProperty("stage") final int stage | ||
| ) | ||
| { | ||
| super(CODE, "Too many cluster by columns present in stage [%s] (requested = %d, max = %d)", stage, numColumns, maxColumns); | ||
| this.numColumns = numColumns; | ||
| this.maxColumns = maxColumns; | ||
| this.stage = stage; | ||
| } | ||
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| @JsonProperty | ||
| public int getNumColumns() | ||
| { | ||
| return numColumns; | ||
| } | ||
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| @JsonProperty | ||
| public int getMaxColumns() | ||
| { | ||
| return maxColumns; | ||
| } | ||
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| @JsonProperty | ||
| public int getStage() | ||
| { | ||
| return stage; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) | ||
| { | ||
| if (this == o) { | ||
| return true; | ||
| } | ||
| if (o == null || getClass() != o.getClass()) { | ||
| return false; | ||
| } | ||
| if (!super.equals(o)) { | ||
| return false; | ||
| } | ||
| TooManyClusteredByColumnsFault that = (TooManyClusteredByColumnsFault) o; | ||
| return numColumns == that.numColumns && maxColumns == that.maxColumns && stage == that.stage; | ||
| } | ||
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| @Override | ||
| public int hashCode() | ||
| { | ||
| return Objects.hash(super.hashCode(), numColumns, maxColumns, stage); | ||
| } | ||
| } |
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