ABAP Select data from SAP table /PLMB/S_PROCESS_ROUTE_LOG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PLMB/S_PROCESS_ROUTE_LOG table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to /PLMB/S_PROCESS_ROUTE_LOG. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the /PLMB/S_PROCESS_ROUTE_LOG table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_/PLMB/S_PROCESS_ROUTE_LOG TYPE STANDARD TABLE OF /PLMB/S_PROCESS_ROUTE_LOG,
      WA_/PLMB/S_PROCESS_ROUTE_LOG TYPE /PLMB/S_PROCESS_ROUTE_LOG,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: </PLMB/S_PROCESS_ROUTE_LOG> TYPE /PLMB/S_PROCESS_ROUTE_LOG.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PLMB/S_PROCESS_ROUTE_LOG.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PLMB/S_PROCESS_ROUTE_LOG
  INTO TABLE IT_/PLMB/S_PROCESS_ROUTE_LOG.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMB/S_PROCESS_ROUTE_LOG
*  INTO TABLE @DATA(IT_/PLMB/S_PROCESS_ROUTE_LOG2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_/PLMB/S_PROCESS_ROUTE_LOG INDEX 1 INTO DATA(WA_/PLMB/S_PROCESS_ROUTE_LOG2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PLMB/S_PROCESS_ROUTE_LOG ASSIGNING </PLMB/S_PROCESS_ROUTE_LOG>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMB/S_PROCESS_ROUTE_LOG>-METH_EDATE = 1.
</PLMB/S_PROCESS_ROUTE_LOG>-METH_ETIME = 1.
</PLMB/S_PROCESS_ROUTE_LOG>-USER_NAME = 1.
</PLMB/S_PROCESS_ROUTE_LOG>-METH_USER = 1.
</PLMB/S_PROCESS_ROUTE_LOG>-ACTIVITY = 1.

ENDLOOP.

LOOP AT IT_/PLMB/S_PROCESS_ROUTE_LOG INTO WA_/PLMB/S_PROCESS_ROUTE_LOG.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMB/S_PROCESS_ROUTE_LOG-ACTDC, sy-vline,
  WA_/PLMB/S_PROCESS_ROUTE_LOG-POSID_LED, sy-vline,
  WA_/PLMB/S_PROCESS_ROUTE_LOG-POSID_LET, sy-vline,
  WA_/PLMB/S_PROCESS_ROUTE_LOG-DUEDAYS, sy-vline,
  WA_/PLMB/S_PROCESS_ROUTE_LOG-AGENT_NAME, sy-vline,
  WA_/PLMB/S_PROCESS_ROUTE_LOG-AGENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMB/S_PROCESS_ROUTE_LOG you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_/PLMB/S_PROCESS_ROUTE_LOG TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_/PLMB/S_PROCESS_ROUTE_LOG INTO WA_/PLMB/S_PROCESS_ROUTE_LOG.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/PLMB/S_PROCESS_ROUTE_LOG_STR, 
METH_EDATE TYPE STRING,
METH_ETIME TYPE STRING,
USER_NAME TYPE STRING,
METH_USER TYPE STRING,
ACTIVITY TYPE STRING,
ACTDC TYPE STRING,
POSID_LED TYPE STRING,
POSID_LET TYPE STRING,
DUEDAYS TYPE STRING,
AGENT_NAME TYPE STRING,
AGENT TYPE STRING,
ACTAREA TYPE STRING,
POSID TYPE STRING,
POSID_WIID TYPE STRING,
CREATOR TYPE STRING,
CREAT_NAME TYPE STRING,
CREADATE TYPE STRING,
CREATIME TYPE STRING,
LCHGAGENT TYPE STRING,
CHANG_NAME TYPE STRING,
LCHGDATE TYPE STRING,
LCHGTIME TYPE STRING,
DELFLAG TYPE STRING,
WI_CD TYPE STRING,
WI_CT TYPE STRING,
POSPAST_DESCR TYPE STRING,
POSPAST_ICON TYPE STRING,
POSPAST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMB/S_PROCESS_ROUTE_LOG_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-METH_EDATE sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-METH_ETIME sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-USER_NAME sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-METH_USER sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-ACTIVITY sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-ACTDC sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-POSID_LED sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-POSID_LET sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-DUEDAYS sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-AGENT_NAME sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-AGENT sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-ACTAREA sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-POSID sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-POSID_WIID sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-CREATOR sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-CREAT_NAME sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-CREADATE sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-CREATIME sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-LCHGAGENT sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-CHANG_NAME sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-LCHGDATE sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-LCHGTIME sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-DELFLAG sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-WI_CD sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-WI_CT sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-POSPAST_DESCR sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-POSPAST_ICON sy-vline 
WA_/PLMB/S_PROCESS_ROUTE_LOG_STR-POSPAST sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.