imay commented on a change in pull request #2573: implements create drop show index syntax for bitmap index [#2487] URL: https://github.com/apache/incubator-doris/pull/2573#discussion_r361906126
########## File path: fe/src/main/java/org/apache/doris/catalog/Index.java ########## @@ -0,0 +1,161 @@ +// 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. + +package org.apache.doris.catalog; + +import org.apache.doris.analysis.IndexDef; +import org.apache.doris.common.io.Text; +import org.apache.doris.common.io.Writable; +import org.apache.doris.thrift.TIndexType; +import org.apache.doris.thrift.TOlapTableIndex; + +import java.io.DataInput; +import java.io.DataOutput; +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; + +/** + * Internal representation of index, including index type, name, columns and comments. + * This class will used in olaptable + */ +public class Index implements Writable { + private String indexName; + private List<String> columns; + private IndexDef.IndexType type; + private String comment; + + public Index(String indexName, List<String> columns, IndexDef.IndexType type, String comment) { + this.indexName = indexName; + this.columns = columns; + this.type = type; + this.comment = comment; + } + + public static Index read(DataInput in) throws IOException { + String name = Text.readString(in); + List<String> cols = new ArrayList<>(); + int columnCount = in.readInt(); + for (int i = 0; i < columnCount; i++) { + cols.add(Text.readString(in)); + } + IndexDef.IndexType type = IndexDef.IndexType.valueOf(Text.readString(in)); + boolean hasComment = in.readBoolean(); + String comment = null; + if (hasComment) { + comment = Text.readString(in); + } + return new Index(name, cols, type, comment); + } + + @Override + public int hashCode() { + return 31 * (indexName.hashCode() + columns.hashCode() + type.hashCode()); + } + + public Index clone() { + return new Index(indexName, new ArrayList<>(columns), type, comment); + } + + public String getIndexName() { + return indexName; + } + + public void setIndexName(String indexName) { + this.indexName = indexName; + } + + public List<String> getColumns() { + return columns; + } + + public void setColumns(List<String> columns) { + this.columns = columns; + } + + public IndexDef.IndexType getType() { + return type; + } + + public void setType(IndexDef.IndexType type) { + this.type = type; + } + + public String getComment() { + return comment; + } + + public void setComment(String comment) { + this.comment = comment; + } + + @Override + public void write(DataOutput out) throws IOException { Review comment: serialize in json format ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org
