[HACKERS] Implicit Lock Row

I currently develop an interface to simulate a indexed sequential file management with PostgreSql. I must reproduce the same philosophy used of control of locking of the records. I seek a solution to lock and unlock implicitly a row of a table. The locking of several rows, of the same table

[HACKERS] Implicit Lock Row

  I currently develop an interface to simulate a indexed sequential file management with PostgreSql. I must reproduce the same philosophy used of control of locking of the records. I seek a solution to lock and unlock implicitly a row of a table. The locking of several rows, of the same tabl