ABAP Select data from SAP table FJPDAT2_LINES_EB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FJPDAT2_LINES_EB 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 FJPDAT2_LINES_EB. 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 FJPDAT2_LINES_EB 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_FJPDAT2_LINES_EB TYPE STANDARD TABLE OF FJPDAT2_LINES_EB,
      WA_FJPDAT2_LINES_EB TYPE FJPDAT2_LINES_EB,
      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: <FJPDAT2_LINES_EB> TYPE FJPDAT2_LINES_EB.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FJPDAT2_LINES_EB.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FJPDAT2_LINES_EB
  INTO TABLE IT_FJPDAT2_LINES_EB.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FJPDAT2_LINES_EB
*  INTO TABLE @DATA(IT_FJPDAT2_LINES_EB2).
*--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_FJPDAT2_LINES_EB INDEX 1 INTO DATA(WA_FJPDAT2_LINES_EB2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FJPDAT2_LINES_EB ASSIGNING <FJPDAT2_LINES_EB>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FJPDAT2_LINES_EB>-DETAIL = 1.
<FJPDAT2_LINES_EB>-DTCAT = 1.
<FJPDAT2_LINES_EB>-REFNO = 1.
<FJPDAT2_LINES_EB>-BOKDT = 1.
<FJPDAT2_LINES_EB>-VALDT = 1.

ENDLOOP.

LOOP AT IT_FJPDAT2_LINES_EB INTO WA_FJPDAT2_LINES_EB.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FJPDAT2_LINES_EB-TRAMT, sy-vline,
  WA_FJPDAT2_LINES_EB-THAMT, sy-vline,
  WA_FJPDAT2_LINES_EB-PAYCD, sy-vline,
  WA_FJPDAT2_LINES_EB-PAYNA, sy-vline,
  WA_FJPDAT2_LINES_EB-CPBNA, sy-vline,
  WA_FJPDAT2_LINES_EB-CPBBR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FJPDAT2_LINES_EB 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_FJPDAT2_LINES_EB 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_FJPDAT2_LINES_EB INTO WA_FJPDAT2_LINES_EB.


*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_FJPDAT2_LINES_EB_STR, 
DETAIL TYPE STRING,
DTCAT TYPE STRING,
REFNO TYPE STRING,
BOKDT TYPE STRING,
VALDT TYPE STRING,
TRAMT TYPE STRING,
THAMT TYPE STRING,
PAYCD TYPE STRING,
PAYNA TYPE STRING,
CPBNA TYPE STRING,
CPBBR TYPE STRING,
REVID TYPE STRING,
RAMT2 TYPE STRING,
TAMT2 TYPE STRING,
DMY48 TYPE STRING,
DETAIL_LINES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FJPDAT2_LINES_EB_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_FJPDAT2_LINES_EB_STR-DETAIL sy-vline 
WA_FJPDAT2_LINES_EB_STR-DTCAT sy-vline 
WA_FJPDAT2_LINES_EB_STR-REFNO sy-vline 
WA_FJPDAT2_LINES_EB_STR-BOKDT sy-vline 
WA_FJPDAT2_LINES_EB_STR-VALDT sy-vline 
WA_FJPDAT2_LINES_EB_STR-TRAMT sy-vline 
WA_FJPDAT2_LINES_EB_STR-THAMT sy-vline 
WA_FJPDAT2_LINES_EB_STR-PAYCD sy-vline 
WA_FJPDAT2_LINES_EB_STR-PAYNA sy-vline 
WA_FJPDAT2_LINES_EB_STR-CPBNA sy-vline 
WA_FJPDAT2_LINES_EB_STR-CPBBR sy-vline 
WA_FJPDAT2_LINES_EB_STR-REVID sy-vline 
WA_FJPDAT2_LINES_EB_STR-RAMT2 sy-vline 
WA_FJPDAT2_LINES_EB_STR-TAMT2 sy-vline 
WA_FJPDAT2_LINES_EB_STR-DMY48 sy-vline 
WA_FJPDAT2_LINES_EB_STR-DETAIL_LINES sy-vline      INTO ld_text SEPARATED BY SPACE.

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