tuwh opened a new issue, #28748:
URL: https://github.com/apache/shardingsphere/issues/28748
## Bug Report
### Which version of ShardingSphere did you use?
5.4.1
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-JDBC
### Expected behavior
The official document says that the sql92 standard database is supported,
but when I use db2 database connection, an error of Unsupported storage type is
reported。
### Actual behavior
Caused by:
org.apache.shardingsphere.infra.exception.UnsupportedStorageTypeException:
Unsupported storage type of `shadingDb.slave1`.
at
org.apache.shardingsphere.infra.database.type.checker.DatabaseTypeChecker.lambda$checkSupportedStorageTypes$3(DatabaseTypeChecker.java:79)
~[shardingsphere-infra-common-5.4.0.jar:5.4.0]
at
org.apache.shardingsphere.infra.util.exception.ShardingSpherePreconditions.checkState(ShardingSpherePreconditions.java:41)
~[shardingsphere-infra-util-5.4.0.jar:5.4.0]
at
org.apache.shardingsphere.infra.database.type.checker.DatabaseTypeChecker.lambda$checkSupportedStorageTypes$4(DatabaseTypeChecker.java:78)
~[shardingsphere-infra-common-5.4.0.jar:5.4.0]
at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684)
~[?:1.8.0_131]
at
org.apache.shardingsphere.infra.database.type.checker.DatabaseTypeChecker.checkSupportedStorageTypes(DatabaseTypeChecker.java:78)
~[shardingsphere-infra-common-5.4.0.jar:5.4.0]
at
org.apache.shardingsphere.metadata.factory.ExternalMetaDataFactory.createGenericDatabases(ExternalMetaDataFactory.java:83)
~[shardingsphere-metadata-core-5.4.0.jar:5.4.0]
### Reason analyze (If you can)
the class DatabaseTypeChecker Specify database type in {"MySQL",
"PostgreSQL", "openGauss", "Oracle", "SQLServer", "H2", "MariaDB"}
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
### Example codes for reproduce this issue (such as a github link).
My code is written according to the document jdbc demo sample。
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