ABAP Select data from SAP table RPLPFLC1_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPLPFLC1_ALV 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 RPLPFLC1_ALV. 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 RPLPFLC1_ALV 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_RPLPFLC1_ALV TYPE STANDARD TABLE OF RPLPFLC1_ALV,
      WA_RPLPFLC1_ALV TYPE RPLPFLC1_ALV,
      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: <RPLPFLC1_ALV> TYPE RPLPFLC1_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPLPFLC1_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPLPFLC1_ALV
  INTO TABLE IT_RPLPFLC1_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPLPFLC1_ALV
*  INTO TABLE @DATA(IT_RPLPFLC1_ALV2).
*--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_RPLPFLC1_ALV INDEX 1 INTO DATA(WA_RPLPFLC1_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPLPFLC1_ALV ASSIGNING <RPLPFLC1_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPLPFLC1_ALV>-LGART = 1.
<RPLPFLC1_ALV>-LGTXT = 1.
<RPLPFLC1_ALV>-LG101 = 1.
<RPLPFLC1_ALV>-LG108 = 1.
<RPLPFLC1_ALV>-LG109 = 1.

ENDLOOP.

LOOP AT IT_RPLPFLC1_ALV INTO WA_RPLPFLC1_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPLPFLC1_ALV-LG118, sy-vline,
  WA_RPLPFLC1_ALV-LG119, sy-vline,
  WA_RPLPFLC1_ALV-LG128, sy-vline,
  WA_RPLPFLC1_ALV-LG129, sy-vline,
  WA_RPLPFLC1_ALV-AKLAS5, sy-vline,
  WA_RPLPFLC1_ALV-VKLAS62, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPLPFLC1_ALV 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_RPLPFLC1_ALV 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_RPLPFLC1_ALV INTO WA_RPLPFLC1_ALV.


*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_RPLPFLC1_ALV_STR, 
LGART TYPE STRING,
LGTXT TYPE STRING,
LG101 TYPE STRING,
LG108 TYPE STRING,
LG109 TYPE STRING,
LG118 TYPE STRING,
LG119 TYPE STRING,
LG128 TYPE STRING,
LG129 TYPE STRING,
AKLAS5 TYPE STRING,
VKLAS62 TYPE STRING,
VKLAS63 TYPE STRING,
DTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPLPFLC1_ALV_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_RPLPFLC1_ALV_STR-LGART sy-vline 
WA_RPLPFLC1_ALV_STR-LGTXT sy-vline 
WA_RPLPFLC1_ALV_STR-LG101 sy-vline 
WA_RPLPFLC1_ALV_STR-LG108 sy-vline 
WA_RPLPFLC1_ALV_STR-LG109 sy-vline 
WA_RPLPFLC1_ALV_STR-LG118 sy-vline 
WA_RPLPFLC1_ALV_STR-LG119 sy-vline 
WA_RPLPFLC1_ALV_STR-LG128 sy-vline 
WA_RPLPFLC1_ALV_STR-LG129 sy-vline 
WA_RPLPFLC1_ALV_STR-AKLAS5 sy-vline 
WA_RPLPFLC1_ALV_STR-VKLAS62 sy-vline 
WA_RPLPFLC1_ALV_STR-VKLAS63 sy-vline 
WA_RPLPFLC1_ALV_STR-DTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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