terrymanu commented on code in PR #18611:
URL: https://github.com/apache/shardingsphere/pull/18611#discussion_r906940381
##########
shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-core/src/main/java/org/apache/shardingsphere/sharding/route/engine/type/standard/ShardingStandardRoutingEngine.java:
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@@ -214,10 +236,21 @@ private Collection<String> routeDataSources(final
TableRule tableRule, final Sha
private Collection<DataNode> routeTables(final TableRule tableRule, final
String routedDataSource,
final ShardingStrategy
tableShardingStrategy, final List<ShardingConditionValue> tableShardingValues) {
- Collection<String> availableTargetTables =
tableRule.getActualTableNames(routedDataSource);
- Collection<String> routedTables = tableShardingValues.isEmpty()
- ? availableTargetTables
- : tableShardingStrategy.doSharding(availableTargetTables,
tableShardingValues, tableRule.getTableDataNode(), properties);
+ Collection<String> routedTables = null;
+ if (!(tableShardingStrategy instanceof HintShardingStrategy) &&
!tableShardingValues.isEmpty()) {
+ ShardingConditionValue shardingConditionValue =
tableShardingValues.iterator().next();
+ List<ShardingConditionValue> tableHintShardingValues =
getTableShardingValuesFromHint(shardingConditionValue);
+ if (!tableHintShardingValues.isEmpty()) {
+ Collection<String> availableTargetTables =
tableRule.getActualTableNames(routedDataSource);
+ routedTables = new
LinkedHashSet<>(tableShardingStrategy.doSharding(availableTargetTables,
tableHintShardingValues, tableRule.getTableDataNode(), properties));
+ }
+ }
+ if (routedTables == null || routedTables.isEmpty()) {
+ Collection<String> availableTargetTables =
tableRule.getActualTableNames(routedDataSource);
+ routedTables = new LinkedHashSet<>(tableShardingValues.isEmpty()
+ ? availableTargetTables
+ : tableShardingStrategy.doSharding(availableTargetTables,
tableShardingValues, tableRule.getTableDataNode(), properties));
+ }
Review Comment:
great
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