SAP TR_READ_LOG Function Module for Read Log

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TR_READ_LOG is a standard tr read log SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Read Log processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for tr read log FM, simply by entering the name TR_READ_LOG into the relevant SAP transaction such as SE37 or SE38.

Function Group: SLOG
Program Name: SAPLSLOG
Main Program: SAPLSLOG
Appliation area: S
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function TR_READ_LOG pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'TR_READ_LOG'"Read Log
  EXPORTING
*  IV_LOG_TYPE = 'FILE' "
*  IV_LOGNAME_FILE =  "Name of log (file)
*  IV_LOGNAME_DB =  "Name of log (database)
*  IV_LOGNAME_MEMORY =  "Name of log (memory)
*  IV_TIMESTAMP = '00000000000000' "Time stamp of step (only for search)
*  IV_CLIENT = '   ' "Client
*  IV_LANGUAGE = SYST-LANGU "Display language

TABLES
   ET_LINES =  "

EXCEPTIONS
   INVALID_INPUT = 1    ACCESS_ERROR = 2 

.

IMPORTING Parameters details for TR_READ_LOG

IV_LOG_TYPE -

Data type: TRLOG_TYPE
Default: 'FILE'
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_LOGNAME_FILE - Name of log (file)

Data type: TSTRF01-FILE
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_LOGNAME_DB - Name of log (database)

Data type: DDPRH-PROTNAME
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_LOGNAME_MEMORY - Name of log (memory)

Data type: TSTRF01-FILENAME
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_TIMESTAMP - Time stamp of step (only for search)

Data type: TSTAMP
Default: '00000000000000'
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_CLIENT - Client

Data type: T000-MANDT
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_LANGUAGE - Display language

Data type: SY-LANGU
Default: SYST-LANGU
Optional: Yes
Call by Reference: No ( called with pass by value option)

TABLES Parameters details for TR_READ_LOG

ET_LINES -

Data type: TRLOG
Optional: No
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

INVALID_INPUT - Invalid entry

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

ACCESS_ERROR - Log could not be read

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for TR_READ_LOG Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM TR_READ_LOG

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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