strongduanmu commented on issue #10996:
URL:
https://github.com/apache/shardingsphere/issues/10996#issuecomment-894158173
When I use the encrypt feature alone and configure multiple data sources,
refresh the metadata after executing create table statement, there is a certain
probability that it will fail. When Encrypt loads metadata, it always selects
the first data source, which results in that metadata cannot be loaded when
distributed to other data sources.
```java
/**
* Table meta data builder for encrypt.
*/
public final class EncryptTableMetaDataBuilder implements
RuleBasedTableMetaDataBuilder<EncryptRule> {
@Override
public Optional<TableMetaData> load(final String tableName, final
DatabaseType databaseType, final Map<String, DataSource> dataSourceMap, final
DataNodes dataNodes,
final EncryptRule encryptRule, final
ConfigurationProperties props) throws SQLException {
return encryptRule.findEncryptTable(tableName).isPresent() ?
TableMetaDataLoader.load(dataSourceMap.values().iterator().next(), tableName,
databaseType) : Optional.empty();
}
}
```
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