lmhmhl edited a comment on issue #8883:
URL: https://github.com/apache/shardingsphere/issues/8883#issuecomment-754682567
```
@Before
public void setUp() throws Exception {
Map<String, ShardingSphereMetaData> result = new HashMap<>();
MetaDataContexts metaDataContexts =
getShardingSphereDataSource().getMetaDataContexts();
metaDataContexts.getAllSchemaNames().forEach(e ->
result.put(e, metaDataContexts.getMetaData(e))
);
CalciteContextFactory calciteContextFactory = new
CalciteContextFactory(result);
CalciteContext calciteContext =
calciteContextFactory.create("t_user", mock(CalciteRowExecutor.class));
calciteJDBCExecutor = new CalciteJDBCExecutor(calciteContext);
}
```
Is it right create `calciteJDBCExecutor` in this way?
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