[GitHub] [incubator-shardingsphere] luochao-hz opened a new issue #2433: 复合分片不支持范围查询问题

[GitBox <gi...@apache.org>]

luochao-hz opened a new issue #2433: 复合分片不支持范围查询问题
URL: https://github.com/apache/incubator-shardingsphere/issues/2433
 
 
   @SuppressWarnings("unchecked")
       @Override
       public Collection<String> doSharding(final Collection<String> availableTargetNames, final Collection<RouteValue> shardingValues) {
           Map<String, Collection<Comparable<?>>> columnShardingValues = new HashMap<>(shardingValues.size(), 1);
           String logicTableName = "";
           for (RouteValue each : shardingValues) {
   //强制转换为ListRouteValue，不适合范围查询
               columnShardingValues.put(each.getColumnName(), ((ListRouteValue) each).getValues());
               logicTableName = each.getTableName();
           }
           Collection<String> shardingResult = shardingAlgorithm.doSharding(availableTargetNames, new ComplexKeysShardingValue(logicTableName, columnShardingValues));
           Collection<String> result = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
           result.addAll(shardingResult);
           return result;
       }

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