public interface IExtractionResults
| 限定符和类型 | 方法和说明 |
|---|---|
void |
close()
Closes all query result set(s) associated with this object;
provides a hint to the query that it can safely release
all associated resources.
|
IResultMetaData |
getResultMetaData()
Returns the metadata of the first or current result set
This method provides the result metadata without having to first fetch the result data. |
IDataIterator |
nextResultIterator()
Returns the current result's iterator.
|
IResultMetaData getResultMetaData() throws org.eclipse.birt.core.exception.BirtException
Returns Null if the metadata is not available before fetching
from an IResultIterator,
or if it is ambiguous on which result set to reference.
In such case, one should obtain the result metadata
from a specific IResultIterator.
IQueryResults. Null if not available or
ambiguous on which result set to reference.EngineException - if error occurs during extractionorg.eclipse.birt.core.exception.BirtExceptionIDataIterator nextResultIterator() throws org.eclipse.birt.core.exception.BirtException
EngineException - if error occurs during extractionorg.eclipse.birt.core.exception.BirtExceptionvoid close()
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