How do you handle a record lock in Rpgle?
How do you handle a record lock in Rpgle?
Follow below steps to handle record lock:
- Login to Green Screen.
- Enter command WRKACTJOB.
- Search for the job which is in ‘MSGW’ status.
- Take option 7=Display Message.
- Note down the file name and library mentioned in the error message.
- Press F10=Display messages in job log.
How we can know file is locked in RPG?
The RPG program places an exclusive-allow-read lock state on device files. Another user can open the file with a shared-for-read lock state. The lock state placed on the file by the RPG program can be changed if you use the Allocate Object command….File Locking.
| File Type | Lock State |
|---|---|
| Add | Shared for update |
| Output | Shared for update |
How do I update Rpgle files?
Update operation on a subfile is performed to update the subfile with changes in the subfile attribute e.g. change in display attribute/indicators. For partial updating a file, we can use %FIELDS or EXCEPT. If we use a data structure in result field then the file is directly updated from the data structure.
How do you read next record in Rpgle?
READ opcode in rpgle-go4as400.com. Read operation reads the records of a full procedural file. First of all it reads the record where currently the pointer is and then advances the pointer to the next record. The READ operation applies a record lock to files that are open in update mode.
What is record lock in as400?
When a record is read by a program, it is read in one of two modes: input or update. If a program reads a record for update, a lock is placed on that record. Another program cannot read the same record for update until the first program releases that lock.
What is record lock as400?
What is Reade in Rpgle?
READE opcode in rpgle-go4as400.com. READE reads the matching record for factor-1 and moves the pointer to the next record with the same matching criteria. If the same matching criteria is not found then it foes to EOF.
What Rpgle command finds the specified record from the file?
CHAIN
CHAIN is best used to locate a unique record (like a customer record) from a full procedural file. In case of CHAIN, the file operation is used to randomly retrieve a record from a file. We cannot move to another record, which meets the same criteria specified in the Chain operation.
How we can check record lock of a file?
The Display Record Locks (DSPRCDLCK) command allows you to show the current record lock status of a particular database physical file member. This command displays the lock status for a particular relative record number, or the lock status of all locked records in the member.
