ABAP Select data from SAP table RMMG08_011 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RMMG08_011 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 RMMG08_011. 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 RMMG08_011 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_RMMG08_011 TYPE STANDARD TABLE OF RMMG08_011,
      WA_RMMG08_011 TYPE RMMG08_011,
      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: <RMMG08_011> TYPE RMMG08_011.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RMMG08_011.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RMMG08_011
  INTO TABLE IT_RMMG08_011.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMMG08_011
*  INTO TABLE @DATA(IT_RMMG08_0112).
*--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_RMMG08_011 INDEX 1 INTO DATA(WA_RMMG08_0112).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RMMG08_011 ASSIGNING <RMMG08_011>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMMG08_011>-MEINH = 1.
<RMMG08_011>-UMREZ = 1.
<RMMG08_011>-UMREN = 1.
<RMMG08_011>-EANNR = 1.
<RMMG08_011>-EAN11 = 1.

ENDLOOP.

LOOP AT IT_RMMG08_011 INTO WA_RMMG08_011.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMMG08_011-NUMTP, sy-vline,
  WA_RMMG08_011-LAENG, sy-vline,
  WA_RMMG08_011-BREIT, sy-vline,
  WA_RMMG08_011-HOEHE, sy-vline,
  WA_RMMG08_011-MEABM, sy-vline,
  WA_RMMG08_011-VOLUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMMG08_011 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_RMMG08_011 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_RMMG08_011 INTO WA_RMMG08_011.


*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 CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-MEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EAN11, internal->external for field EAN11
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-EAN11
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-EAN11.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEABM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-MEABM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-MEABM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-VOLEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MESUB
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-MESUB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-MESUB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-ATINN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MSEHI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-MSEHI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-MSEHI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TOP_LOAD_FULL_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-TOP_LOAD_FULL_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-TOP_LOAD_FULL_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field /STTPEC/SERNO_PROV_BUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RMMG08_011-/STTPEC/SERNO_PROV_BUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMMG08_011-/STTPEC/SERNO_PROV_BUP.
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_RMMG08_011_STR, 
MEINH TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
EANNR TYPE STRING,
EAN11 TYPE STRING,
NUMTP TYPE STRING,
LAENG TYPE STRING,
BREIT TYPE STRING,
HOEHE TYPE STRING,
MEABM TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
BRGEW TYPE STRING,
GEWEI TYPE STRING,
MESUB TYPE STRING,
ATINN TYPE STRING,
MESRT TYPE STRING,
XFHDW TYPE STRING,
XBEWW TYPE STRING,
KZWSO TYPE STRING,
MSEHI TYPE STRING,
BFLME_MARM TYPE STRING,
GTIN_VARIANT TYPE STRING,
NEST_FTR TYPE STRING,
MAX_STACK TYPE STRING,
TOP_LOAD_FULL TYPE STRING,
TOP_LOAD_FULL_UOM TYPE STRING,
CAPAUSE TYPE STRING,
TY2TQ TYPE STRING,
DUMMY_UOM_INCL_EEW_PS TYPE STRING,
/CWM/TY2TQ TYPE STRING,
/STTPEC/NCODE TYPE STRING,
/STTPEC/NCODE_TY TYPE STRING,
/STTPEC/RCODE TYPE STRING,
/STTPEC/SERUSE TYPE STRING,
/STTPEC/SYNCCHG TYPE STRING,
/STTPEC/SERNO_MANAGED TYPE STRING,
/STTPEC/SERNO_PROV_BUP TYPE STRING,
/STTPEC/UOM_SYNC TYPE STRING,
/STTPEC/SER_GTIN TYPE STRING,
PCBUT TYPE STRING,
KZALT TYPE STRING,
ZAEHLER TYPE STRING,
KZBME TYPE STRING,
KZREF TYPE STRING,
VERFLG TYPE STRING,
DOPFLG TYPE STRING,
D_IND TYPE STRING,
EANGEPRFT TYPE STRING,
KZBSTME TYPE STRING,
KZAUSME TYPE STRING,
KZVRKME TYPE STRING,
NTGEW TYPE STRING,
AZSUB TYPE STRING,
KZSUB TYPE STRING,
MSEHT TYPE STRING,
NTBEZ20 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMMG08_011_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_RMMG08_011_STR-MEINH sy-vline 
WA_RMMG08_011_STR-UMREZ sy-vline 
WA_RMMG08_011_STR-UMREN sy-vline 
WA_RMMG08_011_STR-EANNR sy-vline 
WA_RMMG08_011_STR-EAN11 sy-vline 
WA_RMMG08_011_STR-NUMTP sy-vline 
WA_RMMG08_011_STR-LAENG sy-vline 
WA_RMMG08_011_STR-BREIT sy-vline 
WA_RMMG08_011_STR-HOEHE sy-vline 
WA_RMMG08_011_STR-MEABM sy-vline 
WA_RMMG08_011_STR-VOLUM sy-vline 
WA_RMMG08_011_STR-VOLEH sy-vline 
WA_RMMG08_011_STR-BRGEW sy-vline 
WA_RMMG08_011_STR-GEWEI sy-vline 
WA_RMMG08_011_STR-MESUB sy-vline 
WA_RMMG08_011_STR-ATINN sy-vline 
WA_RMMG08_011_STR-MESRT sy-vline 
WA_RMMG08_011_STR-XFHDW sy-vline 
WA_RMMG08_011_STR-XBEWW sy-vline 
WA_RMMG08_011_STR-KZWSO sy-vline 
WA_RMMG08_011_STR-MSEHI sy-vline 
WA_RMMG08_011_STR-BFLME_MARM sy-vline 
WA_RMMG08_011_STR-GTIN_VARIANT sy-vline 
WA_RMMG08_011_STR-NEST_FTR sy-vline 
WA_RMMG08_011_STR-MAX_STACK sy-vline 
WA_RMMG08_011_STR-TOP_LOAD_FULL sy-vline 
WA_RMMG08_011_STR-TOP_LOAD_FULL_UOM sy-vline 
WA_RMMG08_011_STR-CAPAUSE sy-vline 
WA_RMMG08_011_STR-TY2TQ sy-vline 
WA_RMMG08_011_STR-DUMMY_UOM_INCL_EEW_PS sy-vline 
WA_RMMG08_011_STR-/CWM/TY2TQ sy-vline 
WA_RMMG08_011_STR-/STTPEC/NCODE sy-vline 
WA_RMMG08_011_STR-/STTPEC/NCODE_TY sy-vline 
WA_RMMG08_011_STR-/STTPEC/RCODE sy-vline 
WA_RMMG08_011_STR-/STTPEC/SERUSE sy-vline 
WA_RMMG08_011_STR-/STTPEC/SYNCCHG sy-vline 
WA_RMMG08_011_STR-/STTPEC/SERNO_MANAGED sy-vline 
WA_RMMG08_011_STR-/STTPEC/SERNO_PROV_BUP sy-vline 
WA_RMMG08_011_STR-/STTPEC/UOM_SYNC sy-vline 
WA_RMMG08_011_STR-/STTPEC/SER_GTIN sy-vline 
WA_RMMG08_011_STR-PCBUT sy-vline 
WA_RMMG08_011_STR-KZALT sy-vline 
WA_RMMG08_011_STR-ZAEHLER sy-vline 
WA_RMMG08_011_STR-KZBME sy-vline 
WA_RMMG08_011_STR-KZREF sy-vline 
WA_RMMG08_011_STR-VERFLG sy-vline 
WA_RMMG08_011_STR-DOPFLG sy-vline 
WA_RMMG08_011_STR-D_IND sy-vline 
WA_RMMG08_011_STR-EANGEPRFT sy-vline 
WA_RMMG08_011_STR-KZBSTME sy-vline 
WA_RMMG08_011_STR-KZAUSME sy-vline 
WA_RMMG08_011_STR-KZVRKME sy-vline 
WA_RMMG08_011_STR-NTGEW sy-vline 
WA_RMMG08_011_STR-AZSUB sy-vline 
WA_RMMG08_011_STR-KZSUB sy-vline 
WA_RMMG08_011_STR-MSEHT sy-vline 
WA_RMMG08_011_STR-NTBEZ20 sy-vline      INTO ld_text SEPARATED BY SPACE.

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