ABAP Select data from SAP table RJMG07 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RJMG07 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 RJMG07. 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 RJMG07 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_RJMG07 TYPE STANDARD TABLE OF RJMG07,
      WA_RJMG07 TYPE RJMG07,
      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: <RJMG07> TYPE RJMG07.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RJMG07.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RJMG07
  INTO TABLE IT_RJMG07.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJMG07
*  INTO TABLE @DATA(IT_RJMG072).
*--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_RJMG07 INDEX 1 INTO DATA(WA_RJMG072).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RJMG07 ASSIGNING <RJMG07>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJMG07>-MANDT = 1.
<RJMG07>-GPNR = 1.
<RJMG07>-LOGADR = 1.
<RJMG07>-ADRZA = 1.
<RJMG07>-JPARVW = 1.

ENDLOOP.

LOOP AT IT_RJMG07 INTO WA_RJMG07.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJMG07-ADRNR, sy-vline,
  WA_RJMG07-WDAT1, sy-vline,
  WA_RJMG07-WDAT2, sy-vline,
  WA_RJMG07-VADRNR, sy-vline,
  WA_RJMG07-ERFUSER, sy-vline,
  WA_RJMG07-ERFDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJMG07 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_RJMG07 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_RJMG07 INTO WA_RJMG07.


*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.

*Conversion exit ALPHA, internal->external for field GPNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJMG07-GPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJMG07-GPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field JPARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_RJMG07-JPARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJMG07-JPARVW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJMG07-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJMG07-ADRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJMG07-VADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJMG07-VADRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ERSGPNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJMG07-ERSGPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJMG07-ERSGPNR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_RJMG07_STR, 
MANDT TYPE STRING,
GPNR TYPE STRING,
LOGADR TYPE STRING,
ADRZA TYPE STRING,
JPARVW TYPE STRING,
ADRNR TYPE STRING,
WDAT1 TYPE STRING,
WDAT2 TYPE STRING,
VADRNR TYPE STRING,
ERFUSER TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
AENUSER TYPE STRING,
AENDATE TYPE STRING,
AENTIME TYPE STRING,
XKAHS TYPE STRING,
SD_UPDA TYPE STRING,
SD_UPDA_FS TYPE STRING,
XGAP TYPE STRING,
ERSGPNR TYPE STRING,
ADKT_NR TYPE STRING,
XSHOW TYPE STRING,
XCHG_ADRA TYPE STRING,
XDEL_ADRA TYPE STRING,
XNEW_ADRA TYPE STRING,
XCHGANSAEN TYPE STRING,
XCHGTELAEN TYPE STRING,
XCHGNAMAEN TYPE STRING,
XCHGHHAEN TYPE STRING,
XCHG_SADR TYPE STRING,
XNEW_SADR TYPE STRING,
XDRUCKBILD TYPE STRING,
XNOMESS TYPE STRING,
XCHG_KORR TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGTY TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJMG07_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_RJMG07_STR-MANDT sy-vline 
WA_RJMG07_STR-GPNR sy-vline 
WA_RJMG07_STR-LOGADR sy-vline 
WA_RJMG07_STR-ADRZA sy-vline 
WA_RJMG07_STR-JPARVW sy-vline 
WA_RJMG07_STR-ADRNR sy-vline 
WA_RJMG07_STR-WDAT1 sy-vline 
WA_RJMG07_STR-WDAT2 sy-vline 
WA_RJMG07_STR-VADRNR sy-vline 
WA_RJMG07_STR-ERFUSER sy-vline 
WA_RJMG07_STR-ERFDATE sy-vline 
WA_RJMG07_STR-ERFTIME sy-vline 
WA_RJMG07_STR-AENUSER sy-vline 
WA_RJMG07_STR-AENDATE sy-vline 
WA_RJMG07_STR-AENTIME sy-vline 
WA_RJMG07_STR-XKAHS sy-vline 
WA_RJMG07_STR-SD_UPDA sy-vline 
WA_RJMG07_STR-SD_UPDA_FS sy-vline 
WA_RJMG07_STR-XGAP sy-vline 
WA_RJMG07_STR-ERSGPNR sy-vline 
WA_RJMG07_STR-ADKT_NR sy-vline 
WA_RJMG07_STR-XSHOW sy-vline 
WA_RJMG07_STR-XCHG_ADRA sy-vline 
WA_RJMG07_STR-XDEL_ADRA sy-vline 
WA_RJMG07_STR-XNEW_ADRA sy-vline 
WA_RJMG07_STR-XCHGANSAEN sy-vline 
WA_RJMG07_STR-XCHGTELAEN sy-vline 
WA_RJMG07_STR-XCHGNAMAEN sy-vline 
WA_RJMG07_STR-XCHGHHAEN sy-vline 
WA_RJMG07_STR-XCHG_SADR sy-vline 
WA_RJMG07_STR-XNEW_SADR sy-vline 
WA_RJMG07_STR-XDRUCKBILD sy-vline 
WA_RJMG07_STR-XNOMESS sy-vline 
WA_RJMG07_STR-XCHG_KORR sy-vline 
WA_RJMG07_STR-MSGID sy-vline 
WA_RJMG07_STR-MSGNO sy-vline 
WA_RJMG07_STR-MSGTY sy-vline 
WA_RJMG07_STR-MSGV1 sy-vline 
WA_RJMG07_STR-MSGV2 sy-vline 
WA_RJMG07_STR-MSGV3 sy-vline 
WA_RJMG07_STR-MSGV4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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