ABAP Select data from SAP table RECPDLIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECPDLIN
*  INTO TABLE @DATA(IT_RECPDLIN2).
*--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_RECPDLIN INDEX 1 INTO DATA(WA_RECPDLIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECPDLIN>-ALVBOX = 1.
<RECPDLIN>-ALVINFO = 1.
<RECPDLIN>-PRINTABLE = 1.
<RECPDLIN>-MANDT = 1.
<RECPDLIN>-SRECHNGNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECPDLIN-SRECHNGJAHR, sy-vline,
  WA_RECPDLIN-BUKRS, sy-vline,
  WA_RECPDLIN-PARTNR, sy-vline,
  WA_RECPDLIN-KUNNR_P, sy-vline,
  WA_RECPDLIN-ADR_REF, sy-vline,
  WA_RECPDLIN-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECPDLIN 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_RECPDLIN 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_RECPDLIN INTO WA_RECPDLIN.


*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 GJAHR, internal->external for field SRECHNGJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RECPDLIN-SRECHNGJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECPDLIN-SRECHNGJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RECPDLIN-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECPDLIN-LANGU.
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_RECPDLIN_STR, 
ALVBOX TYPE STRING,
ALVINFO TYPE STRING,
PRINTABLE TYPE STRING,
MANDT TYPE STRING,
SRECHNGNR TYPE STRING,
SRECHNGJAHR TYPE STRING,
BUKRS TYPE STRING,
PARTNR TYPE STRING,
KUNNR_P TYPE STRING,
ADR_REF TYPE STRING,
WAERS TYPE STRING,
HBKID TYPE STRING,
BVTYP TYPE STRING,
ZLSCH TYPE STRING,
DINVFROM TYPE STRING,
DINVTO TYPE STRING,
CREDCH TYPE STRING,
INVALLOPENITEMS TYPE STRING,
INVCOLLECT TYPE STRING,
INVPERIOD TYPE STRING,
DRUCKDTM TYPE STRING,
DMBTR TYPE STRING,
WRBTR TYPE STRING,
SHKZG TYPE STRING,
INVCOUNTCN TYPE STRING,
ALTPAYER TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
RQIDENT TYPE STRING,
VERTN TYPE STRING,
VERTT TYPE STRING,
TYPE TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
LANGU TYPE STRING,
SORT1 TYPE STRING,
SORT2 TYPE STRING,
SORT_PHON TYPE STRING,
VIP TYPE STRING,
XTITLE TYPE STRING,
XTIT_LE TYPE STRING,
STRAS TYPE STRING,
PFACH TYPE STRING,
PSTL2 TYPE STRING,
PFORT TYPE STRING,
LAND1 TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
REGIO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECPDLIN_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_RECPDLIN_STR-ALVBOX sy-vline 
WA_RECPDLIN_STR-ALVINFO sy-vline 
WA_RECPDLIN_STR-PRINTABLE sy-vline 
WA_RECPDLIN_STR-MANDT sy-vline 
WA_RECPDLIN_STR-SRECHNGNR sy-vline 
WA_RECPDLIN_STR-SRECHNGJAHR sy-vline 
WA_RECPDLIN_STR-BUKRS sy-vline 
WA_RECPDLIN_STR-PARTNR sy-vline 
WA_RECPDLIN_STR-KUNNR_P sy-vline 
WA_RECPDLIN_STR-ADR_REF sy-vline 
WA_RECPDLIN_STR-WAERS sy-vline 
WA_RECPDLIN_STR-HBKID sy-vline 
WA_RECPDLIN_STR-BVTYP sy-vline 
WA_RECPDLIN_STR-ZLSCH sy-vline 
WA_RECPDLIN_STR-DINVFROM sy-vline 
WA_RECPDLIN_STR-DINVTO sy-vline 
WA_RECPDLIN_STR-CREDCH sy-vline 
WA_RECPDLIN_STR-INVALLOPENITEMS sy-vline 
WA_RECPDLIN_STR-INVCOLLECT sy-vline 
WA_RECPDLIN_STR-INVPERIOD sy-vline 
WA_RECPDLIN_STR-DRUCKDTM sy-vline 
WA_RECPDLIN_STR-DMBTR sy-vline 
WA_RECPDLIN_STR-WRBTR sy-vline 
WA_RECPDLIN_STR-SHKZG sy-vline 
WA_RECPDLIN_STR-INVCOUNTCN sy-vline 
WA_RECPDLIN_STR-ALTPAYER sy-vline 
WA_RECPDLIN_STR-RERF sy-vline 
WA_RECPDLIN_STR-DERF sy-vline 
WA_RECPDLIN_STR-TERF sy-vline 
WA_RECPDLIN_STR-REHER sy-vline 
WA_RECPDLIN_STR-RBEAR sy-vline 
WA_RECPDLIN_STR-DBEAR sy-vline 
WA_RECPDLIN_STR-TBEAR sy-vline 
WA_RECPDLIN_STR-RBHER sy-vline 
WA_RECPDLIN_STR-RQIDENT sy-vline 
WA_RECPDLIN_STR-VERTN sy-vline 
WA_RECPDLIN_STR-VERTT sy-vline 
WA_RECPDLIN_STR-TYPE sy-vline 
WA_RECPDLIN_STR-NAME1 sy-vline 
WA_RECPDLIN_STR-NAME2 sy-vline 
WA_RECPDLIN_STR-LANGU sy-vline 
WA_RECPDLIN_STR-SORT1 sy-vline 
WA_RECPDLIN_STR-SORT2 sy-vline 
WA_RECPDLIN_STR-SORT_PHON sy-vline 
WA_RECPDLIN_STR-VIP sy-vline 
WA_RECPDLIN_STR-XTITLE sy-vline 
WA_RECPDLIN_STR-XTIT_LE sy-vline 
WA_RECPDLIN_STR-STRAS sy-vline 
WA_RECPDLIN_STR-PFACH sy-vline 
WA_RECPDLIN_STR-PSTL2 sy-vline 
WA_RECPDLIN_STR-PFORT sy-vline 
WA_RECPDLIN_STR-LAND1 sy-vline 
WA_RECPDLIN_STR-PSTLZ sy-vline 
WA_RECPDLIN_STR-ORT01 sy-vline 
WA_RECPDLIN_STR-ORT02 sy-vline 
WA_RECPDLIN_STR-REGIO sy-vline      INTO ld_text SEPARATED BY SPACE.

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