tuichenchuxin commented on code in PR #18152:
URL: https://github.com/apache/shardingsphere/pull/18152#discussion_r889772932
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shardingsphere-infra/shardingsphere-infra-rewrite/src/main/java/org/apache/shardingsphere/infra/rewrite/sql/token/pojo/generic/SubstitutableColumnNameToken.java:
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@@ -76,11 +76,17 @@ public SubstitutableColumnNameToken(final int startIndex,
final int stopIndex, f
@Override
public String toString(final RouteUnit routeUnit) {
Map<String, String> logicAndActualTables =
getLogicAndActualTables(routeUnit);
- StringBuilder builder = lastColumn ? new
StringBuilder(COLUMN_NAME_SPLITTER) : new StringBuilder();
+ StringBuilder result = new StringBuilder();
Review Comment:
I have tried StringJoiner， but the performance is not good enough.
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