FiveTech Software tech support forums

... some myths about Clipper and Harbour behavior
presented on different Clipper related forums.

In Harbour and Clipper:

1. When record or table is unlocked then just before this
operations RDD writes all local modifications in table and
index files.
2. DBSKIP(0) just like DBGOTO( RECNO() ) writes all ...

Hello,

If a record is locked by someone else, is there a possibility that this record can unlocked by another user?

Thank you.

Not possible.

In ADS, Administrator can kill a user. That frees all his locks.

Well behaved programs never lock a record and wait for a user action.
Lock only when all ...

Hello,

If a record is locked by someone else, is there a possibility that this record can unlocked by another user?

Thank you.

... through a remote desktop server in the cloud.
It happens now or then that records stayed lock, due to connections that are interrupted for several reasons.

Is there a possibility that record can be unlocked by another user?
How can this problem be solved?

Thank you very much in advance for any help.

Hi all

Sometimes with the Remote Desktop Program it happens that locked records are
perceived loked when instead with the classic network connection they are unlocked.
Some idea ?
Thank you all and happy ending and happy new year !

This codeblock is called after a cell is edited and saved.


In case of DBF, the record is locked, new value is saved, the codeblock bOnSave is evaluated and then the record is unlocked.

Hello Marc,

I don't sure, but I think one way can be to lock a record in a table (dbf) users while the user is logged, when the user logout, unlock the record, I think (no sure) when client lost the conection, the record is unlocked automatlicaly, you can test

saludos

Marcelo

... automatically by the object ). All editing is done, and then when the save button is pushed, the record is locked, the data saved, and the record unlocked, all as part of the ::save() method. This just takes milliseconds. If there were two computers accessing the save at the exact same time ...

... automatically by the object ). All editing is done, and then when the save button is pushed, the record is locked, the data saved, and the record unlocked, all as part of the ::save() method. This just takes milliseconds. If there were two computers accessing the save at the exact same time ...

... optimistic and pessimistic.

With optimistic, the user loads and edits the file, then when they are done, the record is locked, saved, and unlocked.

With pessimistic, the record is locked, the user edits it, then it is saved and unlocked.

I have always used optimistic locking and have had ...

Hebert,

Well, that is a very good use. Congrats on thinking of how to accomplish it!

I'm going to record that in my bag of tricks.

Feel free to make some more contributions here when you come up with ideas like this.

James
Bag of tricks, hum! I'll take this idea as well, I'm eager to ...

Hebert,

Well, that is a very good use. Congrats on thinking of how to accomplish it!

I'm going to record that in my bag of tricks.

Feel free to make some more contributions here when you come up with ideas like this.

James

Hebert,

Glad to hear it.

I am curious why you needed this? Maybe its something some of the rest of us might use too, if we knew what kind of a problem it solves.

James
James I have an application receving messages from other users (not a chat), if the user leave the computer alone, after a ...

Mr James
Wonderful idea

Hebert,

Glad to hear it.

I am curious why you needed this? Maybe its something some of the rest of us might use too, if we knew what kind of a problem it solves.

James