ABAP Select data from SAP table /BEV2/EDWEMPF_V into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV2/EDWEMPF_V 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 /BEV2/EDWEMPF_V. 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 /BEV2/EDWEMPF_V 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_/BEV2/EDWEMPF_V TYPE STANDARD TABLE OF /BEV2/EDWEMPF_V,
      WA_/BEV2/EDWEMPF_V TYPE /BEV2/EDWEMPF_V,
      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: </BEV2/EDWEMPF_V> TYPE /BEV2/EDWEMPF_V.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV2/EDWEMPF_V.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV2/EDWEMPF_V
  INTO TABLE IT_/BEV2/EDWEMPF_V.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV2/EDWEMPF_V
*  INTO TABLE @DATA(IT_/BEV2/EDWEMPF_V2).
*--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_/BEV2/EDWEMPF_V INDEX 1 INTO DATA(WA_/BEV2/EDWEMPF_V2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV2/EDWEMPF_V ASSIGNING </BEV2/EDWEMPF_V>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV2/EDWEMPF_V>-MANDT = 1.
</BEV2/EDWEMPF_V>-WEMPF = 1.
</BEV2/EDWEMPF_V>-EDART = 1.
</BEV2/EDWEMPF_V>-BUKRS = 1.
</BEV2/EDWEMPF_V>-EDSLAGER = 1.

ENDLOOP.

LOOP AT IT_/BEV2/EDWEMPF_V INTO WA_/BEV2/EDWEMPF_V.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV2/EDWEMPF_V-DATAB, sy-vline,
  WA_/BEV2/EDWEMPF_V-DATBI, sy-vline,
  WA_/BEV2/EDWEMPF_V-ERLAUBNISART, sy-vline,
  WA_/BEV2/EDWEMPF_V-EDSLAGERE, sy-vline,
  WA_/BEV2/EDWEMPF_V-EDVBSNRE, sy-vline,
  WA_/BEV2/EDWEMPF_V-EDSLAGERIHE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV2/EDWEMPF_V 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_/BEV2/EDWEMPF_V 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_/BEV2/EDWEMPF_V INTO WA_/BEV2/EDWEMPF_V.


*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 WEMPF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV2/EDWEMPF_V-WEMPF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV2/EDWEMPF_V-WEMPF.
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_/BEV2/EDWEMPF_V_STR, 
MANDT TYPE STRING,
WEMPF TYPE STRING,
EDART TYPE STRING,
BUKRS TYPE STRING,
EDSLAGER TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
ERLAUBNISART TYPE STRING,
EDSLAGERE TYPE STRING,
EDVBSNRE TYPE STRING,
EDSLAGERIHE TYPE STRING,
EDPARTNER TYPE STRING,
REG_RECEIVER TYPE STRING,
EDEXPORT TYPE STRING,
EDEXP_COUNTRY TYPE STRING,
EDNOLDS TYPE STRING,
AVG_MOVE_TIME TYPE STRING,
ITEPC1 TYPE STRING,
ITEPC2 TYPE STRING,
ITEPC3 TYPE STRING,
ITEPC4 TYPE STRING,
NAME1 TYPE STRING,
LAND1 TYPE STRING,
ORT01 TYPE STRING,
STRAS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV2/EDWEMPF_V_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_/BEV2/EDWEMPF_V_STR-MANDT sy-vline 
WA_/BEV2/EDWEMPF_V_STR-WEMPF sy-vline 
WA_/BEV2/EDWEMPF_V_STR-EDART sy-vline 
WA_/BEV2/EDWEMPF_V_STR-BUKRS sy-vline 
WA_/BEV2/EDWEMPF_V_STR-EDSLAGER sy-vline 
WA_/BEV2/EDWEMPF_V_STR-DATAB sy-vline 
WA_/BEV2/EDWEMPF_V_STR-DATBI sy-vline 
WA_/BEV2/EDWEMPF_V_STR-ERLAUBNISART sy-vline 
WA_/BEV2/EDWEMPF_V_STR-EDSLAGERE sy-vline 
WA_/BEV2/EDWEMPF_V_STR-EDVBSNRE sy-vline 
WA_/BEV2/EDWEMPF_V_STR-EDSLAGERIHE sy-vline 
WA_/BEV2/EDWEMPF_V_STR-EDPARTNER sy-vline 
WA_/BEV2/EDWEMPF_V_STR-REG_RECEIVER sy-vline 
WA_/BEV2/EDWEMPF_V_STR-EDEXPORT sy-vline 
WA_/BEV2/EDWEMPF_V_STR-EDEXP_COUNTRY sy-vline 
WA_/BEV2/EDWEMPF_V_STR-EDNOLDS sy-vline 
WA_/BEV2/EDWEMPF_V_STR-AVG_MOVE_TIME sy-vline 
WA_/BEV2/EDWEMPF_V_STR-ITEPC1 sy-vline 
WA_/BEV2/EDWEMPF_V_STR-ITEPC2 sy-vline 
WA_/BEV2/EDWEMPF_V_STR-ITEPC3 sy-vline 
WA_/BEV2/EDWEMPF_V_STR-ITEPC4 sy-vline 
WA_/BEV2/EDWEMPF_V_STR-NAME1 sy-vline 
WA_/BEV2/EDWEMPF_V_STR-LAND1 sy-vline 
WA_/BEV2/EDWEMPF_V_STR-ORT01 sy-vline 
WA_/BEV2/EDWEMPF_V_STR-STRAS sy-vline      INTO ld_text SEPARATED BY SPACE.

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