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fe/fe-common/src/main/java/org/apache/doris/catalog/ComplexVariantType.java
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| // 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.doris.catalog; | ||
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| import org.apache.doris.thrift.TTypeDesc; | ||
| import org.apache.doris.thrift.TTypeNode; | ||
| import org.apache.doris.thrift.TTypeNodeType; | ||
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| import com.google.common.base.Joiner; | ||
| import com.google.common.base.Preconditions; | ||
| import com.google.common.collect.Lists; | ||
| import com.google.common.collect.Maps; | ||
| import com.google.gson.annotations.SerializedName; | ||
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| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
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| public class ComplexVariantType extends Type { | ||
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| @SerializedName(value = "fieldMap") | ||
| private final HashMap<String, StructField> fieldMap = Maps.newHashMap(); | ||
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| @SerializedName(value = "fields") | ||
| private final ArrayList<StructField> predefinedFields; | ||
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| public ComplexVariantType() { | ||
| this.predefinedFields = Lists.newArrayList(); | ||
| } | ||
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| public ComplexVariantType(ArrayList<StructField> fields) { | ||
| Preconditions.checkNotNull(fields); | ||
| this.predefinedFields = fields; | ||
| for (int i = 0; i < this.predefinedFields.size(); ++i) { | ||
| this.predefinedFields.get(i).setPosition(i); | ||
| fieldMap.put(this.predefinedFields.get(i).getName(), this.predefinedFields.get(i)); | ||
| } | ||
| } | ||
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| public ArrayList<StructField> getPredefinedFields() { | ||
| return predefinedFields; | ||
| } | ||
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| @Override | ||
| protected String toSql(int depth) { | ||
| if (depth >= MAX_NESTING_DEPTH) { | ||
| return "variant<...>"; | ||
| } | ||
| ArrayList<String> fieldsSql = Lists.newArrayList(); | ||
| for (StructField f : predefinedFields) { | ||
| fieldsSql.add(f.toSql(depth + 1)); | ||
| } | ||
| return String.format("variant<%s>", Joiner.on(",").join(fieldsSql)); | ||
| } | ||
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| @Override | ||
| protected String prettyPrint(int lpad) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public void toThrift(TTypeDesc container) { | ||
| // not use ScalarType's toThrift for compatibility, because VariantType is not extends ScalarType previously | ||
| TTypeNode node = new TTypeNode(); | ||
| container.types.add(node); | ||
| node.setType(TTypeNodeType.VARIANT); | ||
| // predefined fields | ||
| node.setStructFields(new ArrayList<>()); | ||
| for (StructField field : predefinedFields) { | ||
| field.toThrift(container, node); | ||
| } | ||
| } | ||
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| @Override | ||
| public PrimitiveType getPrimitiveType() { | ||
| return PrimitiveType.VARIANT; | ||
| } | ||
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| @Override | ||
| public boolean matchesType(Type t) { | ||
| return t.isVariantType() || t.isStringType(); | ||
| } | ||
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| @Override | ||
| public boolean supportSubType(Type subType) { | ||
| for (Type supportedType : Type.getComplexVariantSubTypes()) { | ||
| if (subType.getPrimitiveType() == supportedType.getPrimitiveType()) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object other) { | ||
| if (!(other instanceof ComplexVariantType)) { | ||
| return false; | ||
| } | ||
| ComplexVariantType otherVariantType = (ComplexVariantType) other; | ||
| return otherVariantType.getPredefinedFields().equals(predefinedFields); | ||
| } | ||
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| @Override | ||
| public int getSlotSize() { | ||
| return PrimitiveType.VARIANT.getSlotSize(); | ||
| } | ||
| } |
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