RegionQuery Method (String) |
Executes the query on the server based on the predicate.
Valid only for a Native Client region.
Namespace: GemStone.GemFire.CacheAssembly: Gemstone.Gemfire.Cache (in Gemstone.Gemfire.Cache.dll) Version: 9.0.6.18
Syntaxpublic ISelectResults Query(
string predicate
)
Public Function Query (
predicate As String
) As ISelectResults
public:
ISelectResults^ Query(
String^ predicate
)
member Query :
predicate : string -> ISelectResults
Parameters
- predicate
- Type: SystemString
The query predicate (just the WHERE clause) or the entire query to execute
Return Value
Type:
ISelectResults
The SelectResults which can either be a ResultSet or a StructSet.
ExceptionsException | Condition |
---|
IllegalArgumentException |
If the predicate is empty.
|
IllegalStateException |
If some error occurred.
|
CacheServerException |
If an exception is received from the Java cache server.
|
NotConnectedException |
if not connected to the GemFire system because the client cannot
establish usable connections to any of the servers given to it.
For pools configured with locators, if no locators are available, innerException
of NotConnectedException is set to NoAvailableLocatorsException.
|
MessageException |
If the message received from server could not be handled. This will
be the case when an unregistered typeId is received in the reply or
reply is not well formed. More information can be found in the log.
|
QueryException |
If some query error occurred at the server.
|
TimeoutException |
if the operation timed out
|
CacheClosedException |
if the cache has been closed
|
See Also