close a DataInterfaceStream Module - Maple Help

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DataInterfaceStream:-Close - close a DataInterfaceStream Module

Calling Sequence

stream:-Close( )

Parameters

stream

-

DataInterfaceStream module

Description

• 

Close is used to close a DataInterfaceStream module. This happens automatically when this object is garbage collected; however, you can call Close to release the resources earlier.

• 

Any descendant modules of stream are closed when stream is closed.  (A module is a descendant of a parent module if it is returned by one of the parent module's exports or if it is a descendant of one of the parent module's descendants.)

Examples

driver:=Database[LoadDriver]:

conn:=driver:-OpenConnectionurl,name,pass:res:=conn:-ExecuteQuerySELECT * FROM stream:res:-Next

true

(1)

str:=res:-GetData1,stream=true:str:-Read10

the quick

(2)

str:-Close;str:-Read10

Error, (in Read) this object has been closed, no further operations are possible

See Also

Database, Database[DataInterfaceStream], Database[DataInterfaceStream][Read], Database[DataInterfaceStream][Skip], Database[usage]


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