Retrieve a key/data pair from the database which matches
key and data.
Namespace:
BerkeleyDBAssembly: libdb_dotnet52 (in libdb_dotnet52.dll) Version: 5.2.28.0
Syntax
C# |
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public KeyValuePair<DatabaseEntry, DatabaseEntry> GetBoth( DatabaseEntry key, DatabaseEntry data, Transaction txn ) |
Visual Basic (Declaration) |
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Public Function GetBoth ( _ key As DatabaseEntry, _ data As DatabaseEntry, _ txn As Transaction _ ) As KeyValuePair(Of DatabaseEntry, DatabaseEntry) |
Visual C++ |
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public: KeyValuePair<DatabaseEntry^, DatabaseEntry^> GetBoth( DatabaseEntry^ key, DatabaseEntry^ data, Transaction^ txn ) |
Parameters
- key
- Type: BerkeleyDB..::.DatabaseEntry
The key to search for
- data
- Type: BerkeleyDB..::.DatabaseEntry
The data to search for
- txn
- Type: BerkeleyDB..::.Transaction
txn is a Transaction object returned from BeginTransaction()()(); if the operation is part of a Berkeley DB Concurrent Data Store group, txn is a handle returned from BeginCDSGroup()()(); otherwise null.
Return Value
A KeyValuePair<(Of <(TKey, TValue>)>) whose Key parameter is key and whose Value parameter is data.Remarks
If txn is null and the operation occurs in a
transactional database, the operation will be implicitly transaction
protected.
Exceptions
Exception | Condition |
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BerkeleyDB..::.NotFoundException | A NotFoundException is thrown if key and data are not in the database. |
BerkeleyDB..::.KeyEmptyException | A KeyEmptyException is thrown if the database is a QueueDatabase or RecnoDatabase database and key exists, but was never explicitly created by the application or was later deleted. |