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SQL Anywhere 12.0.0 (Français) » MobiLink - Client Administration » SQL Anywhere clients for MobiLink » Event hooks for SQL Anywhere clients » Introduction to dbmlsync hooks

 

Synchronization event hook sequence

The following pseudo-code shows the available events and the point at which each is called during the synchronization process. For example, sp_hook_dbmlsync_abort is the first event hook to be invoked.



sp_hook_dbmlsync_abort //not called when Dbmlsync API or the SQL SYNCHRONIZE STATEMENT is used
sp_hook_dbmlsync_set_extended_options
loop until return codes direct otherwise (
   sp_hook_dbmlsync_abort
   sp_hook_dbmlsync_delay
)
sp_hook_dbmlsync_abort
// start synchronization
sp_hook_dbmlsync_begin
// upload events
for each upload segment
// a normal synchronization has one upload segment
// a transactional upload has one segment per transaction
// an incremental upload has one segment per upload piece
 sp_hook_dbmlsync_logscan_begin  //not called for scripted upload
 sp_hook_dbmlsync_logscan_end  //not called for scripted upload
 sp_hook_dbmlsync_set_ml_connect_info //only called during first upload
 sp_hook_dbmlsync_upload_begin
 sp_hook_dbmlsync_set_upload_end_progress  //only called for scripted upload
 sp_hook_dbmlsync_upload_end
next upload segment
// download events 
sp_hook_dbmlsync_validate_download_file (only called 
   when -ba option is used)
sp_hook_dbmlsync_download_begin
for each table
   sp_hook_dbmlsync_download_table_begin
   sp_hook_dbmlsync_download_table_end
next table
sp_hook_dbmlsync_download_end

sp_hook_dbmlsync_schema_upgrade
// end synchronization
sp_hook_dbmlsync_end
sp_hook_dbmlsync_process_exit_code
sp_hook_dbmlsync_log_rescan
 Event hooks