ABAP Select data from SAP table /BEV4/PLDANFMEL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV4/PLDANFMEL 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 /BEV4/PLDANFMEL. 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 /BEV4/PLDANFMEL 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_/BEV4/PLDANFMEL TYPE STANDARD TABLE OF /BEV4/PLDANFMEL,
      WA_/BEV4/PLDANFMEL TYPE /BEV4/PLDANFMEL,
      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: </BEV4/PLDANFMEL> TYPE /BEV4/PLDANFMEL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV4/PLDANFMEL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV4/PLDANFMEL
  INTO TABLE IT_/BEV4/PLDANFMEL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV4/PLDANFMEL
*  INTO TABLE @DATA(IT_/BEV4/PLDANFMEL2).
*--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_/BEV4/PLDANFMEL INDEX 1 INTO DATA(WA_/BEV4/PLDANFMEL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV4/PLDANFMEL ASSIGNING </BEV4/PLDANFMEL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV4/PLDANFMEL>-MANDT = 1.
</BEV4/PLDANFMEL>-VKORG = 1.
</BEV4/PLDANFMEL>-VTWEG = 1.
</BEV4/PLDANFMEL>-SPART = 1.
</BEV4/PLDANFMEL>-VERL = 1.

ENDLOOP.

LOOP AT IT_/BEV4/PLDANFMEL INTO WA_/BEV4/PLDANFMEL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV4/PLDANFMEL-OBJN, sy-vline,
  WA_/BEV4/PLDANFMEL-INKDN, sy-vline,
  WA_/BEV4/PLDANFMEL-MATNR, sy-vline,
  WA_/BEV4/PLDANFMEL-POSNR, sy-vline,
  WA_/BEV4/PLDANFMEL-JAHR, sy-vline,
  WA_/BEV4/PLDANFMEL-MONAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV4/PLDANFMEL 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_/BEV4/PLDANFMEL 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_/BEV4/PLDANFMEL INTO WA_/BEV4/PLDANFMEL.


*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 VERL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-VERL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-VERL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OBJN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-OBJN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-OBJN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INKDN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-INKDN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-INKDN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-ALFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-ALFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN_AN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-VBELN_AN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-VBELN_AN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN_ST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-VBELN_ST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-VBELN_ST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN_RU
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-VBELN_RU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-VBELN_RU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN_RS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDANFMEL-VBELN_RS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDANFMEL-VBELN_RS.
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_/BEV4/PLDANFMEL_STR, 
MANDT TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VERL TYPE STRING,
OBJN TYPE STRING,
INKDN TYPE STRING,
MATNR TYPE STRING,
POSNR TYPE STRING,
JAHR TYPE STRING,
MONAT TYPE STRING,
TAG TYPE STRING,
MBEG TYPE STRING,
MEND TYPE STRING,
STATUS TYPE STRING,
RMLDG TYPE STRING,
RMELD TYPE STRING,
HKFT TYPE STRING,
KEYART TYPE STRING,
FVKORG TYPE STRING,
ALFNR TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
UMNET TYPE STRING,
UMBRU TYPE STRING,
WAERS TYPE STRING,
NULLM TYPE STRING,
VBELN_AN TYPE STRING,
VBELN_ST TYPE STRING,
VBELN_RU TYPE STRING,
VBELN_RS TYPE STRING,
ERDAT TYPE STRING,
ERZET TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AEZET TYPE STRING,
AENAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV4/PLDANFMEL_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_/BEV4/PLDANFMEL_STR-MANDT sy-vline 
WA_/BEV4/PLDANFMEL_STR-VKORG sy-vline 
WA_/BEV4/PLDANFMEL_STR-VTWEG sy-vline 
WA_/BEV4/PLDANFMEL_STR-SPART sy-vline 
WA_/BEV4/PLDANFMEL_STR-VERL sy-vline 
WA_/BEV4/PLDANFMEL_STR-OBJN sy-vline 
WA_/BEV4/PLDANFMEL_STR-INKDN sy-vline 
WA_/BEV4/PLDANFMEL_STR-MATNR sy-vline 
WA_/BEV4/PLDANFMEL_STR-POSNR sy-vline 
WA_/BEV4/PLDANFMEL_STR-JAHR sy-vline 
WA_/BEV4/PLDANFMEL_STR-MONAT sy-vline 
WA_/BEV4/PLDANFMEL_STR-TAG sy-vline 
WA_/BEV4/PLDANFMEL_STR-MBEG sy-vline 
WA_/BEV4/PLDANFMEL_STR-MEND sy-vline 
WA_/BEV4/PLDANFMEL_STR-STATUS sy-vline 
WA_/BEV4/PLDANFMEL_STR-RMLDG sy-vline 
WA_/BEV4/PLDANFMEL_STR-RMELD sy-vline 
WA_/BEV4/PLDANFMEL_STR-HKFT sy-vline 
WA_/BEV4/PLDANFMEL_STR-KEYART sy-vline 
WA_/BEV4/PLDANFMEL_STR-FVKORG sy-vline 
WA_/BEV4/PLDANFMEL_STR-ALFNR sy-vline 
WA_/BEV4/PLDANFMEL_STR-MENGE sy-vline 
WA_/BEV4/PLDANFMEL_STR-MEINS sy-vline 
WA_/BEV4/PLDANFMEL_STR-UMNET sy-vline 
WA_/BEV4/PLDANFMEL_STR-UMBRU sy-vline 
WA_/BEV4/PLDANFMEL_STR-WAERS sy-vline 
WA_/BEV4/PLDANFMEL_STR-NULLM sy-vline 
WA_/BEV4/PLDANFMEL_STR-VBELN_AN sy-vline 
WA_/BEV4/PLDANFMEL_STR-VBELN_ST sy-vline 
WA_/BEV4/PLDANFMEL_STR-VBELN_RU sy-vline 
WA_/BEV4/PLDANFMEL_STR-VBELN_RS sy-vline 
WA_/BEV4/PLDANFMEL_STR-ERDAT sy-vline 
WA_/BEV4/PLDANFMEL_STR-ERZET sy-vline 
WA_/BEV4/PLDANFMEL_STR-ERNAM sy-vline 
WA_/BEV4/PLDANFMEL_STR-AEDAT sy-vline 
WA_/BEV4/PLDANFMEL_STR-AEZET sy-vline 
WA_/BEV4/PLDANFMEL_STR-AENAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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