@@ -0,0 +1,2690 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one or more%0A * contributor license agreements.  See the NOTICE file distributed with%0A * this work for additional information regarding copyright ownership.%0A * The ASF licenses this file to You under the Apache License, Version 2.0%0A * (the %22License%22); you may not use this file except in compliance with%0A * the License.  You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0Apackage org.apache.shardingsphere.core.rewrite.token.generator;%0A%0Aimport com.google.common.base.Optional;%0Aimport org.apache.shardingsphere.core.optimize.api.statement.OptimizedStatement;%0Aimport org.apache.shardingsphere.core.parse.sql.segment.dml.item.AggregationDistinctSelectItemSegment;%0Aimport org.apache.shardingsphere.core.parse.sql.segment.dml.item.SelectItemsSegment;%0Aimport org.apache.shardingsphere.core.parse.sql.statement.dml.SelectStatement;%0Aimport org.apache.shardingsphere.core.rewrite.builder.ParameterBuilder;%0Aimport org.apache.shardingsphere.core.rewrite.token.pojo.SelectItemPrefixToken;%0Aimport org.apache.shardingsphere.core.rule.ShardingRule;%0A%0A/**%0A * Select cipher item token generator.%0A *%0A * @author panjuan%0A */%0Apublic final class SelectCipherItemTokenGenerator implements OptionalSQLTokenGenerator%3CShardingRule%3E, IgnoreForSingleRoute %7B%0A    %0A    @Override%0A    public Optional%3CSelectItemPrefixToken%3E generateSQLToken(%0A            final OptimizedStatement optimizedStatement, final ParameterBuilder parameterBuilder, final ShardingRule shardingRule, final boolean isQueryWithCipherColumn) %7B%0A        if (!(optimizedStatement.getSQLStatement() instanceof SelectStatement)) %7B%0A            return Optional.absent();%0A        %7D%0A        Optional%3CSelectItemsSegment%3E selectItemsSegment = optimizedStatement.getSQLStatement().findSQLSegment(SelectItemsSegment.class);%0A        if (selectItemsSegment.isPresent() && isContainAggregationDistinctSelectItemSegment(selectItemsSegment.get())) %7B%0A            return Optional.of(new SelectItemPrefixToken(selectItemsSegment.get().getStartIndex()));%0A        %7D%0A        return Optional.absent();%0A    %7D%0A    %0A    private boolean isContainAggregationDistinctSelectItemSegment(final SelectItemsSegment selectItemsSegment) %7B%0A        return !selectItemsSegment.findSelectItemSegments(AggregationDistinctSelectItemSegment.class).isEmpty();%0A    %7D%0A%7D%0A

add SelectCipherItemTokenGenerator.java