Database: berlintest
Restore : No

Operator : connectDFS
Number   : 1
Signature: string x int -> bool
Example  :  query connectDFS('localhost', 4444)
Result   : unpredictable
Remark   : depends on presence of DFS service 

Operator : registerDFSDataNode
Number   : 1
Signature: {string,text} x int -> bool 
Example  :  query registerDFSDataNode('remotehost', 4445) 
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : changeDFSChunkSize
Number   : 1
Signature: int -> bool
Example  : query changeDFSChunkSize(4096)
Result   : unpredictable
Remark   : depends on presence of DFS service 



Operator : countDFSFiles
Number   : 1
Signature: -> int
Example  :  query countDFSFiles()
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : deleteAllDFSFiles
Number   : 1
Signature: -> bool
Example  : query deleteAllDFSFiles() 
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : deleteAllDFSFilesWithCat
Number   : 1
Signature: string -> bool
Example  :  query deleteAllDFSFilesWithCat("deprecated")
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : deleteDFSFile
Number   : 1
Signature: {string,text} -> bool
Example  : query deleteDFSFile('myfile')
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : dfsFileNames
Number   : 1
Signature:  -> stream(text)
Example  :  query dfsFileNames() count
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : dfsFileSize
Number   : 1
Signature: {string,text} -> bool
Example  : query dfsFileSize('myRemoteFile')
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : getDFSFileAsText
Number   : 1
Signature: {string,text} [x int x int] -> text
Example  : query getDFSFileAsText('myRemoteFile')
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : isDFSFile
Number   : 1
Signature: {string,text} -> bool
Example  : query isDFSFile('myRemoteFile')
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : nextDFSWritePosition
Number   : 1
Signature: {string,text} -> bool
Example  : query nextDFSWritePosition('myRemoteFile')
Result   : unpredictable
Remark   : depends on presence of DFS service 



Operator : storeDFSFile
Number   : 1
Signature: {string,text} x {string,text} -> bool
Example  : query storeDFSFile('myRemoteFile', 'myLocalFile')
Result   : unpredictable
Remark   : depends on presence of DFS service 

Operator : storeDFSFile2
Number   : 1
Signature: {string,text} x {string,text} -> bool
Example  : query storeDFSFile2('myRemoteFile', 'myLocalFile')
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : storeLocalFileToDFS
Number   : 1
Signature: {string,text} x {string, text} [ x string] -> bool
Example  :  query storeLocalFileToDFS('berlintest', 'berlintest')
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : storeTextAsDFSFile
Number   : 1
Signature: text x {string,text} [x string] -> bool
Example  : query storeTextAsDFSFile('My content', 'myfirstfile')
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator : totalDFSSize
Number   : 1
Signature: -> int
Example  : query totalDFSSize()
Result   : unpredictable
Remark   : depends on presence of DFS service 


Operator  : disconnectDFS
Number    : 1
Signature : -> bool
Example   : query disconnectDFS()
Result    : unpredictable
Remark    : depends on presence of DFS service