ABAP Select data from SAP table E1S2KMOJS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1S2KMOJS 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 E1S2KMOJS. 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 E1S2KMOJS 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_E1S2KMOJS TYPE STANDARD TABLE OF E1S2KMOJS,
      WA_E1S2KMOJS TYPE E1S2KMOJS,
      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: <E1S2KMOJS> TYPE E1S2KMOJS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1S2KMOJS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1S2KMOJS
  INTO TABLE IT_E1S2KMOJS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1S2KMOJS
*  INTO TABLE @DATA(IT_E1S2KMOJS2).
*--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_E1S2KMOJS INDEX 1 INTO DATA(WA_E1S2KMOJS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1S2KMOJS ASSIGNING <E1S2KMOJS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1S2KMOJS>-CHG = 1.
<E1S2KMOJS>-UDU = 1.
<E1S2KMOJS>-RDD = 1.
<E1S2KMOJS>-FDD = 1.
<E1S2KMOJS>-DNO = 1.

ENDLOOP.

LOOP AT IT_E1S2KMOJS INTO WA_E1S2KMOJS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1S2KMOJS-PTY, sy-vline,
  WA_E1S2KMOJS-SHM, sy-vline,
  WA_E1S2KMOJS-CAU, sy-vline,
  WA_E1S2KMOJS-PLC, sy-vline,
  WA_E1S2KMOJS-SMB, sy-vline,
  WA_E1S2KMOJS-ECC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1S2KMOJS 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_E1S2KMOJS 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_E1S2KMOJS INTO WA_E1S2KMOJS.


*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_E1S2KMOJS_STR, 
CHG TYPE STRING,
UDU TYPE STRING,
RDD TYPE STRING,
FDD TYPE STRING,
DNO TYPE STRING,
PTY TYPE STRING,
SHM TYPE STRING,
CAU TYPE STRING,
PLC TYPE STRING,
SMB TYPE STRING,
ECC TYPE STRING,
CDD TYPE STRING,
CRE TYPE STRING,
SRU TYPE STRING,
SLK TYPE STRING,
PKD TYPE STRING,
PNR TYPE STRING,
MFU TYPE STRING,
NSN TYPE STRING,
QTY TYPE STRING,
ICY TYPE STRING,
UOI TYPE STRING,
UOM TYPE STRING,
QUI TYPE STRING,
ITY TYPE STRING,
KEY TYPE STRING,
AGE TYPE STRING,
SPQ TYPE STRING,
GQA TYPE STRING,
DMC TYPE STRING,
MOI TYPE STRING,
UPR TYPE STRING,
CAN TYPE STRING,
CUR TYPE STRING,
CAA TYPE STRING,
PCO TYPE STRING,
DPT TYPE STRING,
PCA TYPE STRING,
EXC TYPE STRING,
PREIS TYPE STRING,
ERT TYPE STRING,
CURCY TYPE STRING,
SIU TYPE STRING,
SIN TYPE STRING,
TUU TYPE STRING,
SHU TYPE STRING,
PLT TYPE STRING,
MSQ TYPE STRING,
CPU TYPE STRING,
CNO TYPE STRING,
POSEX TYPE STRING,
MENEE TYPE STRING,
MENGE TYPE STRING,
PMENE TYPE STRING,
BMNG2 TYPE STRING,
LKOND TYPE STRING,
KRATE TYPE STRING,
PADMOI TYPE STRING,
MFRNR TYPE STRING,
KPERC TYPE STRING,
MFRPN TYPE STRING,
ACTION TYPE STRING,
HIPOS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1S2KMOJS_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_E1S2KMOJS_STR-CHG sy-vline 
WA_E1S2KMOJS_STR-UDU sy-vline 
WA_E1S2KMOJS_STR-RDD sy-vline 
WA_E1S2KMOJS_STR-FDD sy-vline 
WA_E1S2KMOJS_STR-DNO sy-vline 
WA_E1S2KMOJS_STR-PTY sy-vline 
WA_E1S2KMOJS_STR-SHM sy-vline 
WA_E1S2KMOJS_STR-CAU sy-vline 
WA_E1S2KMOJS_STR-PLC sy-vline 
WA_E1S2KMOJS_STR-SMB sy-vline 
WA_E1S2KMOJS_STR-ECC sy-vline 
WA_E1S2KMOJS_STR-CDD sy-vline 
WA_E1S2KMOJS_STR-CRE sy-vline 
WA_E1S2KMOJS_STR-SRU sy-vline 
WA_E1S2KMOJS_STR-SLK sy-vline 
WA_E1S2KMOJS_STR-PKD sy-vline 
WA_E1S2KMOJS_STR-PNR sy-vline 
WA_E1S2KMOJS_STR-MFU sy-vline 
WA_E1S2KMOJS_STR-NSN sy-vline 
WA_E1S2KMOJS_STR-QTY sy-vline 
WA_E1S2KMOJS_STR-ICY sy-vline 
WA_E1S2KMOJS_STR-UOI sy-vline 
WA_E1S2KMOJS_STR-UOM sy-vline 
WA_E1S2KMOJS_STR-QUI sy-vline 
WA_E1S2KMOJS_STR-ITY sy-vline 
WA_E1S2KMOJS_STR-KEY sy-vline 
WA_E1S2KMOJS_STR-AGE sy-vline 
WA_E1S2KMOJS_STR-SPQ sy-vline 
WA_E1S2KMOJS_STR-GQA sy-vline 
WA_E1S2KMOJS_STR-DMC sy-vline 
WA_E1S2KMOJS_STR-MOI sy-vline 
WA_E1S2KMOJS_STR-UPR sy-vline 
WA_E1S2KMOJS_STR-CAN sy-vline 
WA_E1S2KMOJS_STR-CUR sy-vline 
WA_E1S2KMOJS_STR-CAA sy-vline 
WA_E1S2KMOJS_STR-PCO sy-vline 
WA_E1S2KMOJS_STR-DPT sy-vline 
WA_E1S2KMOJS_STR-PCA sy-vline 
WA_E1S2KMOJS_STR-EXC sy-vline 
WA_E1S2KMOJS_STR-PREIS sy-vline 
WA_E1S2KMOJS_STR-ERT sy-vline 
WA_E1S2KMOJS_STR-CURCY sy-vline 
WA_E1S2KMOJS_STR-SIU sy-vline 
WA_E1S2KMOJS_STR-SIN sy-vline 
WA_E1S2KMOJS_STR-TUU sy-vline 
WA_E1S2KMOJS_STR-SHU sy-vline 
WA_E1S2KMOJS_STR-PLT sy-vline 
WA_E1S2KMOJS_STR-MSQ sy-vline 
WA_E1S2KMOJS_STR-CPU sy-vline 
WA_E1S2KMOJS_STR-CNO sy-vline 
WA_E1S2KMOJS_STR-POSEX sy-vline 
WA_E1S2KMOJS_STR-MENEE sy-vline 
WA_E1S2KMOJS_STR-MENGE sy-vline 
WA_E1S2KMOJS_STR-PMENE sy-vline 
WA_E1S2KMOJS_STR-BMNG2 sy-vline 
WA_E1S2KMOJS_STR-LKOND sy-vline 
WA_E1S2KMOJS_STR-KRATE sy-vline 
WA_E1S2KMOJS_STR-PADMOI sy-vline 
WA_E1S2KMOJS_STR-MFRNR sy-vline 
WA_E1S2KMOJS_STR-KPERC sy-vline 
WA_E1S2KMOJS_STR-MFRPN sy-vline 
WA_E1S2KMOJS_STR-ACTION sy-vline 
WA_E1S2KMOJS_STR-HIPOS sy-vline      INTO ld_text SEPARATED BY SPACE.

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