strongduanmu commented on issue #11392:
URL:
https://github.com/apache/shardingsphere/issues/11392#issuecomment-885494680
@hsw409328 The latest master branch adds a duplicate check to the single
table. This can ensure that you find duplicate single tables in time and avoid
routing errors.
```java
public static Map<String, SingleTableDataNode> load(final DatabaseType
databaseType, final Map<String, DataSource> dataSourceMap, final
Collection<String> excludedTables) {
Map<String, SingleTableDataNode> result = new HashMap<>();
for (Entry<String, DataSource> entry : dataSourceMap.entrySet()) {
Map<String, SingleTableDataNode> singleTableDataNodes =
load(databaseType, entry.getKey(), entry.getValue(), excludedTables);
singleTableDataNodes.keySet().forEach(each ->
Preconditions.checkState(!result.containsKey(each), "Single table conflict,
there are multiple tables `%s` existed.", each));
result.putAll(singleTableDataNodes);
}
return result;
}
```
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