RaigorJiang opened a new issue, #28200:
URL: https://github.com/apache/shardingsphere/issues/28200
## Bug Report
### Which version of ShardingSphere did you use?
master 3bcf46e8200c6b53752413ececf8b0b5212c2037
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy
### Expected behavior
Parameters in jdbcUrl can be displayed
### Actual behavior
Parameters in jdbcUrl cannot be queried
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
1. Register storage unit with url format.
```sql
REGISTER STORAGE UNIT ds_0 (
URL="jdbc:mysql://127.0.0.1:3306/demo_ds_2?serverTimezone=UTC&useSSL=false&allowPublicKeyRetrieval=true",
USER="root",
PASSWORD="123456",
PROPERTIES("maximumPoolSize"=10)
);
```
2. Show storage unit
```sql
mysql> show storage units;
+------+-------+-----------+------+-----------+---------------------------------+---------------------------+---------------------------+---------------+---------------+-----------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| name | type | host | port | db |
connection_timeout_milliseconds | idle_timeout_milliseconds |
max_lifetime_milliseconds | max_pool_size | min_pool_size | read_only |
other_attributes
|
+------+-------+-----------+------+-----------+---------------------------------+---------------------------+---------------------------+---------------+---------------+-----------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ds_0 | MySQL | 127.0.0.1 | 3306 | demo_ds_2 | 30000
| 60000 | 2100000 | 10 | 1
| false |
{"dataSourceProperties":{"netTimeoutForStreamingResults":"0","useServerPrepStmts":"true","prepStmtCacheSqlLimit":"2048","elideSetAutoCommits":"true","zeroDateTimeBehavior":"round","maintainTimeStats":"false","rewriteBatchedStatements":"true","tinyInt1isBit":"false","cacheResultSetMetadata":"false","cachePrepStmts":"true","prepStmtCacheSize":"8192","useLocalSessionState":"true","cacheServerConfiguration":"true"},"healthCheckProperties":{},"initializationFailTimeout":1,"validationTimeout":5000,"keepaliveTime":0,"leakDetectionThreshold":0,"registerMbeans":false,"allowPoolSuspension":false,"autoCommit":true,"isolateInternalQueries":false}
|
+------+-------+-----------+------+-----------+---------------------------------+---------------------------+---------------------------+---------------+---------------+-----------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.08 sec)
```
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