strongduanmu commented on code in PR #21207:
URL: https://github.com/apache/shardingsphere/pull/21207#discussion_r1005103262
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shardingsphere-jdbc/shardingsphere-jdbc-core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/statement/ShardingSpherePreparedStatement.java:
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@@ -307,7 +307,9 @@ private ResultSet executeFederationQuery(final QueryContext
queryContext) throws
}
private DriverExecutionPrepareEngine<JDBCExecutionUnit, Connection>
createDriverExecutionPrepareEngine() {
- int maxConnectionsSizePerQuery =
metaDataContexts.getMetaData().getProps().<Integer>getValue(ConfigurationPropertyKey.MAX_CONNECTIONS_SIZE_PER_QUERY);
+ int maxConnectionsSizePerQuery = connection.isHoldTransaction()
Review Comment:
The ShardingSphere local transaction manager does not guarantee transaction
correctness when routing to multiple data nodes. If required, use XA
transactions to guarantee transactional correctness across multiple data nodes.
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