ABAP Select data from SAP table V_T582A into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T582A 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 V_T582A. 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 V_T582A 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_V_T582A TYPE STANDARD TABLE OF V_T582A,
      WA_V_T582A TYPE V_T582A,
      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: <V_T582A> TYPE V_T582A.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T582A.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T582A
  INTO TABLE IT_V_T582A.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T582A
*  INTO TABLE @DATA(IT_V_T582A2).
*--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_V_T582A INDEX 1 INTO DATA(WA_V_T582A2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T582A ASSIGNING <V_T582A>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T582A>-MANDT = 1.
<V_T582A>-INFTY = 1.
<V_T582A>-ITEXT = 1.
<V_T582A>-DHDID = 1.
<V_T582A>-AWZAP = 1.

ENDLOOP.

LOOP AT IT_V_T582A INTO WA_V_T582A.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T582A-DATR1, sy-vline,
  WA_V_T582A-DATR2, sy-vline,
  WA_V_T582A-DATR3, sy-vline,
  WA_V_T582A-SRTPS, sy-vline,
  WA_V_T582A-DAVO, sy-vline,
  WA_V_T582A-DAVOE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T582A 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_V_T582A 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_V_T582A INTO WA_V_T582A.


*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_V_T582A_STR, 
MANDT TYPE STRING,
INFTY TYPE STRING,
ITEXT TYPE STRING,
DHDID TYPE STRING,
AWZAP TYPE STRING,
DATR1 TYPE STRING,
DATR2 TYPE STRING,
DATR3 TYPE STRING,
SRTPS TYPE STRING,
DAVO TYPE STRING,
DAVOE TYPE STRING,
EDYNR TYPE STRING,
LDYNR TYPE STRING,
EPAST TYPE STRING,
ZEITB TYPE STRING,
RUREC TYPE STRING,
VALDT TYPE STRING,
NOAP TYPE STRING,
RURZE TYPE STRING,
VORT TYPE STRING,
SBTEX TYPE STRING,
INFTX TYPE STRING,
CPRFN TYPE STRING,
PZINT TYPE STRING,
CYCAL TYPE STRING,
CYBDE TYPE STRING,
NAUST TYPE STRING,
LSTZR TYPE STRING,
VORTT TYPE STRING,
CPCMA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T582A_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_V_T582A_STR-MANDT sy-vline 
WA_V_T582A_STR-INFTY sy-vline 
WA_V_T582A_STR-ITEXT sy-vline 
WA_V_T582A_STR-DHDID sy-vline 
WA_V_T582A_STR-AWZAP sy-vline 
WA_V_T582A_STR-DATR1 sy-vline 
WA_V_T582A_STR-DATR2 sy-vline 
WA_V_T582A_STR-DATR3 sy-vline 
WA_V_T582A_STR-SRTPS sy-vline 
WA_V_T582A_STR-DAVO sy-vline 
WA_V_T582A_STR-DAVOE sy-vline 
WA_V_T582A_STR-EDYNR sy-vline 
WA_V_T582A_STR-LDYNR sy-vline 
WA_V_T582A_STR-EPAST sy-vline 
WA_V_T582A_STR-ZEITB sy-vline 
WA_V_T582A_STR-RUREC sy-vline 
WA_V_T582A_STR-VALDT sy-vline 
WA_V_T582A_STR-NOAP sy-vline 
WA_V_T582A_STR-RURZE sy-vline 
WA_V_T582A_STR-VORT sy-vline 
WA_V_T582A_STR-SBTEX sy-vline 
WA_V_T582A_STR-INFTX sy-vline 
WA_V_T582A_STR-CPRFN sy-vline 
WA_V_T582A_STR-PZINT sy-vline 
WA_V_T582A_STR-CYCAL sy-vline 
WA_V_T582A_STR-CYBDE sy-vline 
WA_V_T582A_STR-NAUST sy-vline 
WA_V_T582A_STR-LSTZR sy-vline 
WA_V_T582A_STR-VORTT sy-vline 
WA_V_T582A_STR-CPCMA sy-vline      INTO ld_text SEPARATED BY SPACE.

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