taojintianxia commented on issue #7761:
URL: https://github.com/apache/shardingsphere/issues/7761#issuecomment-717827563
@jiang2015 hi there
after check the source code of `OracleDatabaseMetaDataDialectHandler` we
could find out that the handler implementation for Oracle is different than
MySQL like followings :
```java
@Override
public String getSchema(final Connection connection) {
try {
return
Optional.ofNullable(connection.getMetaData().getUserName()).map(String::toUpperCase).orElse(null);
} catch (final SQLException ignored) {
return null;
}
}
```
in your test case, you just mock the getSchema, but the schema for Oracle is
from userName in metadata. ^_^
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