Miscellaneous functions

Miscellaneous API. All the fuctions here are located in RDM DB Engine Library. Linker option: More...

Collaboration diagram for Miscellaneous functions:

Functions
RDM_RETCODE	rdm_dbPersistInMemory (RDM_DB db)
	Persist in-memory tables to disk. More...

Detailed Description

Miscellaneous API. All the fuctions here are located in RDM DB Engine Library. Linker option:

    -lrdmrdm

Function Documentation

rdm_dbPersistInMemory()

RDM_RETCODE rdm_dbPersistInMemory

(

RDM_DB

db

)

#include <rdmdbapi.h>

Persist in-memory tables to disk.

This function will write data from in-memory tables to the physical file(s) backing the database. The in-memory tables must be "storage=inmemory_persist" or "storage=inmemory_read".

Locking Requirements

Read locks on all tables (RDM_LOCK_ALL).

Return values

sOKAY	Normal, successful return.
eDBNOTOPEN	Database not open.
eREADONLY	Database is read-only and cannot be updated.
eNOSTARTREAD	A read operation was attempted when no rdm_dbStartSnapshot(), rdm_dbStartRead(), or rdm_dbStartUpdate() is active.
eNOTLOCKED	Attempt to access a table for reading or update without proper locks.
ePRECOMMITTED	A precommitted transaction must be committed or rolled back before further operations on this database are allowed.

See also

rdm_dbStartRead

rdm_dbStartSnapshot

rdm_dbStartUpdate

rdm_dbExport

rdm_dbEnd

Parameters

[in]

db

[in] A valid RDM database handle