Поддержка блокировок
01.01.2007
Each function listed below returns information about lock status or acquires or releases a lock at the table or record level.
- DbiAcqPersistTableLock
- Acquires an exclusive persistent lock on the table preventing other users from using the table or creating a table of the same name.
- DbiAcqTableLock
- Acquires a table-level lock on the table associated with the given cursor.
- DbiGetRecord
- Record positioning functions have a lock parameter.
- DbiIsRecordLocked
- Checks the lock status of the current record.
- DbiIsTableLocked
- Returns the number of locks of a specified type acquired on the table associated with the given session.
- DbiIsTableShared
- Determines whether the table is physically shared or not.
- DbiOpenLockList
- Creates an in-memory table containing a list of locks acquired on the table.
- DbiOpenUserList
- Creates an in-memory table containing a list of users sharing the same network file.
- DbiRelPersistTableLock
- Releases the persistent table lock on the specified table.
- DbiRelRecordLock
- Releases the record lock on either the current record of the cursor or only the locks acquired in the current session.
- DbiRelTableLock
- Releases table locks of the specified type associated with the current session (the session in which the cursor was created).
- DbiSetLockRetry
- Sets the table and record lock retry time for the current session.