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A logger for function module (RFC)
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abap-fm-logger
A logger for function module (RFC)
Let's work with function modules like IDoc.
ABAP Version: 740 or higher
Design Goals
- Save FM logs in a single general table.
- Store parameters in JSON format.
- Enable reprocessing of records using log id, akin to WE19.
- Search logs by FM & field value, akin to WE10.
Log Report
The report ZAFL_VIEWER empowers you to search logs and reprocess specific records.
How to Use
1, Add the include file ZAFL_MACROS which contains core function of the logger.
FUNCTION-POOL zzxxxx.
INCLUDE zafl_macros.
2, Call the macros on demand in the function.
FUNCTION z_fm.
**initialize logger. It should be always on the top of the FUNCTION.
/afl/log_init.
**optional, you can specify at most 3 fields for search.
/afl/set_custom_fields '2020' '1001' '2000000001'.
**optional, you can save a status code and message text for search.
/afl/set_status 'S' 'message'.
**save logs. It should be called before every exit point of the FUNCTION.
/afl/save.
ENDFUNCTION.
Tip: to avoid calling /afl/save at every exit point when the real logic has
multiple returns, you can sink the business logic into a separate internal FM
(e.g. Z_FM_INT) and keep the logged FM as a single-exit shell that calls it
— then one /afl/save at the end suffices.
Configuration
Table ZAFL_CONFIG allows for basic configuration.
Basic Settings
- FNAME: Name of Function Module
- ENABLED: If checked, log function will be enabled.
- EXPORT: If checked, logs for export parameters will be enabled.
- IMPORT: If checked, logs for import parameters will be enabled.
- TABLE_IN: If checked, logs for tables parameters (at the start of the FM) will be enabled.
- TABLE_OUT: If checked, logs for tables parameters (at the end of the FM) will be enabled.
- CHANGE: If checked, logs for changing parameters (both in and out) will be enabled.
Additional Settings
- NO_COMMIT: If checked, the COMMIT statement in
/afl/savewill be bypassed. - NO_AUTH_CHECK: If checked, the authority check statement in the reprocess method will be bypassed.
Log Cleaner
Schedule the report ZAFL_HISTORY_CLEANER as a job to delete history log.
⚠️ Upgrade Reminder
If you have installed a previous version, when installing a new version please check whether your installed table ZAFL_LOG differs from the latest version. Differences may arise from: 1) you have manually modified the local ZAFL_LOG, or 2) the new version has extended new fields or widened existing field lengths. If differences exist, please manually review the changes to avoid data issues.