The ifx_lo_alter() function

The function accepts the following arguments.

Argument	Type	Use	Description
loptr	SQL_INFX_UDT_FIXED	Input	Smart-large-object pointer structure
lospec	SQL_INFX_UDT_FIXED	Input	Smart-large-object specification structure

The ifx_lo_alter() function performs the following steps to update the storage characteristics of a smart large object:

1. Gets an exclusive lock for the smart large object.
2. Uses the characteristics that are in the lospec smart-large-object specification structure to update the storage characteristics of the smart large object. The ifx_lo_alter() function lets you change the following storage characteristics:
   • Logging characteristics
   • Last-access time characteristics
   • Extent size
3. Unlocks the smart large object.

As an alternative to calling this function, you can call one of the following functions if you want to change only one of these characteristics:

• ifx_lo_specset_flags()
• ifx_lo_specset_extsz()