ABAP Select data from SAP table EABLD_EL62 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EABLD_EL62 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 EABLD_EL62. 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 EABLD_EL62 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_EABLD_EL62 TYPE STANDARD TABLE OF EABLD_EL62,
      WA_EABLD_EL62 TYPE EABLD_EL62,
      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: <EABLD_EL62> TYPE EABLD_EL62.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EABLD_EL62.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EABLD_EL62
  INTO TABLE IT_EABLD_EL62.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EABLD_EL62
*  INTO TABLE @DATA(IT_EABLD_EL622).
*--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_EABLD_EL62 INDEX 1 INTO DATA(WA_EABLD_EL622).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EABLD_EL62 ASSIGNING <EABLD_EL62>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EABLD_EL62>-PORTION = 1.
<EABLD_EL62>-ABLEINH = 1.
<EABLD_EL62>-VERTRAG = 1.
<EABLD_EL62>-BUKRS = 1.
<EABLD_EL62>-SPARTE = 1.

ENDLOOP.

LOOP AT IT_EABLD_EL62 INTO WA_EABLD_EL62.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EABLD_EL62-ANLAGE, sy-vline,
  WA_EABLD_EL62-ABRDATS, sy-vline,
  WA_EABLD_EL62-ADATSOLL, sy-vline,
  WA_EABLD_EL62-ABRVORG, sy-vline,
  WA_EABLD_EL62-TRIGSTAT, sy-vline,
  WA_EABLD_EL62-ESTINBILL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EABLD_EL62 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_EABLD_EL62 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_EABLD_EL62 INTO WA_EABLD_EL62.


*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 VERTRAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EABLD_EL62-VERTRAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EABLD_EL62-VERTRAG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EABLD_EL62-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EABLD_EL62-ANLAGE.
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_EABLD_EL62_STR, 
PORTION TYPE STRING,
ABLEINH TYPE STRING,
VERTRAG TYPE STRING,
BUKRS TYPE STRING,
SPARTE TYPE STRING,
ANLAGE TYPE STRING,
ABRDATS TYPE STRING,
ADATSOLL TYPE STRING,
ABRVORG TYPE STRING,
TRIGSTAT TYPE STRING,
ESTINBILL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EABLD_EL62_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_EABLD_EL62_STR-PORTION sy-vline 
WA_EABLD_EL62_STR-ABLEINH sy-vline 
WA_EABLD_EL62_STR-VERTRAG sy-vline 
WA_EABLD_EL62_STR-BUKRS sy-vline 
WA_EABLD_EL62_STR-SPARTE sy-vline 
WA_EABLD_EL62_STR-ANLAGE sy-vline 
WA_EABLD_EL62_STR-ABRDATS sy-vline 
WA_EABLD_EL62_STR-ADATSOLL sy-vline 
WA_EABLD_EL62_STR-ABRVORG sy-vline 
WA_EABLD_EL62_STR-TRIGSTAT sy-vline 
WA_EABLD_EL62_STR-ESTINBILL sy-vline      INTO ld_text SEPARATED BY SPACE.

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