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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV4/PLDALCST_S
*  INTO TABLE @DATA(IT_/BEV4/PLDALCST_S2).
*--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/PLDALCST_S INDEX 1 INTO DATA(WA_/BEV4/PLDALCST_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV4/PLDALCST_S>-MANDT = 1.
</BEV4/PLDALCST_S>-ABW_ADR = 1.
</BEV4/PLDALCST_S>-ADDRESSIERUNG = 1.
</BEV4/PLDALCST_S>-ANSCHR_MAHN = 1.
</BEV4/PLDALCST_S>-ANSCHR_MAHN_OBJ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV4/PLDALCST_S-ANSCHR_TEXT, sy-vline,
  WA_/BEV4/PLDALCST_S-ANSCHR_TEXT_OBJ, sy-vline,
  WA_/BEV4/PLDALCST_S-ANZKOPIE, sy-vline,
  WA_/BEV4/PLDALCST_S-ANZNEUEINTR, sy-vline,
  WA_/BEV4/PLDALCST_S-ERRERF, sy-vline,
  WA_/BEV4/PLDALCST_S-ERRSTAMMIN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV4/PLDALCST_S 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/PLDALCST_S 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/PLDALCST_S INTO WA_/BEV4/PLDALCST_S.


*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 MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLDALCST_S-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLDALCST_S-MEINS.
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/PLDALCST_S_STR, 
MANDT TYPE STRING,
ABW_ADR TYPE STRING,
ADDRESSIERUNG TYPE STRING,
ANSCHR_MAHN TYPE STRING,
ANSCHR_MAHN_OBJ TYPE STRING,
ANSCHR_TEXT TYPE STRING,
ANSCHR_TEXT_OBJ TYPE STRING,
ANZKOPIE TYPE STRING,
ANZNEUEINTR TYPE STRING,
ERRERF TYPE STRING,
ERRSTAMMIN TYPE STRING,
EWAERS TYPE STRING,
FEHL_UEB TYPE STRING,
MEINS TYPE STRING,
PERIODE TYPE STRING,
PFLAG TYPE STRING,
PLISTE_ABS TYPE STRING,
PRINT_LEER TYPE STRING,
PROZABWGA TYPE STRING,
PROZABWST TYPE STRING,
PR_ANFZEIT TYPE STRING,
SPART TYPE STRING,
VERLKORR TYPE STRING,
VKORGKORR TYPE STRING,
VTWEG TYPE STRING,
DAT_ART TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV4/PLDALCST_S_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/PLDALCST_S_STR-MANDT sy-vline 
WA_/BEV4/PLDALCST_S_STR-ABW_ADR sy-vline 
WA_/BEV4/PLDALCST_S_STR-ADDRESSIERUNG sy-vline 
WA_/BEV4/PLDALCST_S_STR-ANSCHR_MAHN sy-vline 
WA_/BEV4/PLDALCST_S_STR-ANSCHR_MAHN_OBJ sy-vline 
WA_/BEV4/PLDALCST_S_STR-ANSCHR_TEXT sy-vline 
WA_/BEV4/PLDALCST_S_STR-ANSCHR_TEXT_OBJ sy-vline 
WA_/BEV4/PLDALCST_S_STR-ANZKOPIE sy-vline 
WA_/BEV4/PLDALCST_S_STR-ANZNEUEINTR sy-vline 
WA_/BEV4/PLDALCST_S_STR-ERRERF sy-vline 
WA_/BEV4/PLDALCST_S_STR-ERRSTAMMIN sy-vline 
WA_/BEV4/PLDALCST_S_STR-EWAERS sy-vline 
WA_/BEV4/PLDALCST_S_STR-FEHL_UEB sy-vline 
WA_/BEV4/PLDALCST_S_STR-MEINS sy-vline 
WA_/BEV4/PLDALCST_S_STR-PERIODE sy-vline 
WA_/BEV4/PLDALCST_S_STR-PFLAG sy-vline 
WA_/BEV4/PLDALCST_S_STR-PLISTE_ABS sy-vline 
WA_/BEV4/PLDALCST_S_STR-PRINT_LEER sy-vline 
WA_/BEV4/PLDALCST_S_STR-PROZABWGA sy-vline 
WA_/BEV4/PLDALCST_S_STR-PROZABWST sy-vline 
WA_/BEV4/PLDALCST_S_STR-PR_ANFZEIT sy-vline 
WA_/BEV4/PLDALCST_S_STR-SPART sy-vline 
WA_/BEV4/PLDALCST_S_STR-VERLKORR sy-vline 
WA_/BEV4/PLDALCST_S_STR-VKORGKORR sy-vline 
WA_/BEV4/PLDALCST_S_STR-VTWEG sy-vline 
WA_/BEV4/PLDALCST_S_STR-DAT_ART sy-vline      INTO ld_text SEPARATED BY SPACE.

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