ABAP Select data from SAP table E1WFM077 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1WFM077 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 E1WFM077. 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 E1WFM077 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_E1WFM077 TYPE STANDARD TABLE OF E1WFM077,
      WA_E1WFM077 TYPE E1WFM077,
      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: <E1WFM077> TYPE E1WFM077.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1WFM077.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1WFM077
  INTO TABLE IT_E1WFM077.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1WFM077
*  INTO TABLE @DATA(IT_E1WFM0772).
*--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_E1WFM077 INDEX 1 INTO DATA(WA_E1WFM0772).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1WFM077 ASSIGNING <E1WFM077>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1WFM077>-PERNR = 1.
<E1WFM077>-INFTY = 1.
<E1WFM077>-SUBTY = 1.
<E1WFM077>-OBJPS = 1.
<E1WFM077>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_E1WFM077 INTO WA_E1WFM077.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1WFM077-ENDDA, sy-vline,
  WA_E1WFM077-BEGDA, sy-vline,
  WA_E1WFM077-SEQNR, sy-vline,
  WA_E1WFM077-AEDTM, sy-vline,
  WA_E1WFM077-UNAME, sy-vline,
  WA_E1WFM077-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1WFM077 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_E1WFM077 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_E1WFM077 INTO WA_E1WFM077.


*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_E1WFM077_STR, 
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
ETHNICORIGIN TYPE STRING,
MILITARYSTATUS TYPE STRING,
RELIGION TYPE STRING,
SURVY TYPE STRING,
DISABILITY TYPE STRING,
VETERANSTATUS TYPE STRING,
DISDT TYPE STRING,
DISLE TYPE STRING,
MEDIC TYPE STRING,
EEOEX TYPE STRING,
ETHEN TYPE STRING,
RAC01 TYPE STRING,
RAC02 TYPE STRING,
RAC03 TYPE STRING,
RAC04 TYPE STRING,
RAC05 TYPE STRING,
RAC06 TYPE STRING,
RAC07 TYPE STRING,
RAC08 TYPE STRING,
RAC09 TYPE STRING,
RAC10 TYPE STRING,
RIFST TYPE STRING,
RCITY TYPE STRING,
SURPA TYPE STRING,
RELEA TYPE STRING,
SURSC TYPE STRING,
ABOTY TYPE STRING,
DTY01 TYPE STRING,
DTY02 TYPE STRING,
DTY03 TYPE STRING,
DTY04 TYPE STRING,
DTY05 TYPE STRING,
MTY01 TYPE STRING,
MTY02 TYPE STRING,
MTY03 TYPE STRING,
MTY04 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1WFM077_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_E1WFM077_STR-PERNR sy-vline 
WA_E1WFM077_STR-INFTY sy-vline 
WA_E1WFM077_STR-SUBTY sy-vline 
WA_E1WFM077_STR-OBJPS sy-vline 
WA_E1WFM077_STR-SPRPS sy-vline 
WA_E1WFM077_STR-ENDDA sy-vline 
WA_E1WFM077_STR-BEGDA sy-vline 
WA_E1WFM077_STR-SEQNR sy-vline 
WA_E1WFM077_STR-AEDTM sy-vline 
WA_E1WFM077_STR-UNAME sy-vline 
WA_E1WFM077_STR-HISTO sy-vline 
WA_E1WFM077_STR-ITXEX sy-vline 
WA_E1WFM077_STR-REFEX sy-vline 
WA_E1WFM077_STR-ORDEX sy-vline 
WA_E1WFM077_STR-ITBLD sy-vline 
WA_E1WFM077_STR-PREAS sy-vline 
WA_E1WFM077_STR-FLAG1 sy-vline 
WA_E1WFM077_STR-FLAG2 sy-vline 
WA_E1WFM077_STR-FLAG3 sy-vline 
WA_E1WFM077_STR-FLAG4 sy-vline 
WA_E1WFM077_STR-RESE1 sy-vline 
WA_E1WFM077_STR-RESE2 sy-vline 
WA_E1WFM077_STR-GRPVL sy-vline 
WA_E1WFM077_STR-ETHNICORIGIN sy-vline 
WA_E1WFM077_STR-MILITARYSTATUS sy-vline 
WA_E1WFM077_STR-RELIGION sy-vline 
WA_E1WFM077_STR-SURVY sy-vline 
WA_E1WFM077_STR-DISABILITY sy-vline 
WA_E1WFM077_STR-VETERANSTATUS sy-vline 
WA_E1WFM077_STR-DISDT sy-vline 
WA_E1WFM077_STR-DISLE sy-vline 
WA_E1WFM077_STR-MEDIC sy-vline 
WA_E1WFM077_STR-EEOEX sy-vline 
WA_E1WFM077_STR-ETHEN sy-vline 
WA_E1WFM077_STR-RAC01 sy-vline 
WA_E1WFM077_STR-RAC02 sy-vline 
WA_E1WFM077_STR-RAC03 sy-vline 
WA_E1WFM077_STR-RAC04 sy-vline 
WA_E1WFM077_STR-RAC05 sy-vline 
WA_E1WFM077_STR-RAC06 sy-vline 
WA_E1WFM077_STR-RAC07 sy-vline 
WA_E1WFM077_STR-RAC08 sy-vline 
WA_E1WFM077_STR-RAC09 sy-vline 
WA_E1WFM077_STR-RAC10 sy-vline 
WA_E1WFM077_STR-RIFST sy-vline 
WA_E1WFM077_STR-RCITY sy-vline 
WA_E1WFM077_STR-SURPA sy-vline 
WA_E1WFM077_STR-RELEA sy-vline 
WA_E1WFM077_STR-SURSC sy-vline 
WA_E1WFM077_STR-ABOTY sy-vline 
WA_E1WFM077_STR-DTY01 sy-vline 
WA_E1WFM077_STR-DTY02 sy-vline 
WA_E1WFM077_STR-DTY03 sy-vline 
WA_E1WFM077_STR-DTY04 sy-vline 
WA_E1WFM077_STR-DTY05 sy-vline 
WA_E1WFM077_STR-MTY01 sy-vline 
WA_E1WFM077_STR-MTY02 sy-vline 
WA_E1WFM077_STR-MTY03 sy-vline 
WA_E1WFM077_STR-MTY04 sy-vline      INTO ld_text SEPARATED BY SPACE.

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