ABAP Select data from SAP table ALTIDPAADA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALTIDPAADA
*  INTO TABLE @DATA(IT_ALTIDPAADA2).
*--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_ALTIDPAADA INDEX 1 INTO DATA(WA_ALTIDPAADA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALTIDPAADA>-TID = 1.
<ALTIDPAADA>-MTSYSID = 1.
<ALTIDPAADA>-MTMCNAME = 1.
<ALTIDPAADA>-MTNUMRANGE = 1.
<ALTIDPAADA>-MTUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALTIDPAADA-MTCLASS, sy-vline,
  WA_ALTIDPAADA-MTINDEX, sy-vline,
  WA_ALTIDPAADA-EXTINDEX, sy-vline,
  WA_ALTIDPAADA-CVALUES, sy-vline,
  WA_ALTIDPAADA-PERFCNTHIG, sy-vline,
  WA_ALTIDPAADA-PERFCNTLOW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALTIDPAADA 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_ALTIDPAADA 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_ALTIDPAADA INTO WA_ALTIDPAADA.


*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_ALTIDPAADA_STR, 
TID TYPE STRING,
MTSYSID TYPE STRING,
MTMCNAME TYPE STRING,
MTNUMRANGE TYPE STRING,
MTUID TYPE STRING,
MTCLASS TYPE STRING,
MTINDEX TYPE STRING,
EXTINDEX TYPE STRING,
CVALUES TYPE STRING,
PERFCNTHIG TYPE STRING,
PERFCNTLOW TYPE STRING,
PERFEVTHIG TYPE STRING,
PERFEVTLOW TYPE STRING,
ALRELEVVAL TYPE STRING,
ALRELVALDT TYPE STRING,
ALRELVALTI TYPE STRING,
ALRELVDUMM TYPE STRING,
LASTALSTAT TYPE STRING,
LASTPERVAL TYPE STRING,
AVG00PVAL TYPE STRING,
AVG01PVAL TYPE STRING,
AVG05PVAL TYPE STRING,
AVG15PVAL TYPE STRING,
AVG01SVAL TYPE STRING,
AVG05SVAL TYPE STRING,
AVG15SVAL TYPE STRING,
AVG01CVAL TYPE STRING,
AVG05CVAL TYPE STRING,
AVG15CVAL TYPE STRING,
MAXPFVALUE TYPE STRING,
MAXPFDATE TYPE STRING,
MAXPFTIME TYPE STRING,
MAXPFDUMMY TYPE STRING,
MINPFVALUE TYPE STRING,
MINPFDATE TYPE STRING,
MINPFTIME TYPE STRING,
MINPFDUMMY TYPE STRING,
PROPERTIES TYPE STRING,
CUSTSTAT TYPE STRING,
RELVALTYPE TYPE STRING,
THRESHDIR TYPE STRING,
THRESHSTAT TYPE STRING,
ACTIVTHG2Y TYPE STRING,
ACTIVTHY2R TYPE STRING,
ACTIVTHY2G TYPE STRING,
ACTIVTHR2Y TYPE STRING,
DEFAUTHG2Y TYPE STRING,
DEFAUTHY2R TYPE STRING,
DEFAUTHY2G TYPE STRING,
DEFAUTHR2Y TYPE STRING,
MSGCLASS TYPE STRING,
MSGID TYPE STRING,
CUSGRPNAME TYPE STRING,
VALUNIT TYPE STRING,
DECIMALS TYPE STRING,
RC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALTIDPAADA_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_ALTIDPAADA_STR-TID sy-vline 
WA_ALTIDPAADA_STR-MTSYSID sy-vline 
WA_ALTIDPAADA_STR-MTMCNAME sy-vline 
WA_ALTIDPAADA_STR-MTNUMRANGE sy-vline 
WA_ALTIDPAADA_STR-MTUID sy-vline 
WA_ALTIDPAADA_STR-MTCLASS sy-vline 
WA_ALTIDPAADA_STR-MTINDEX sy-vline 
WA_ALTIDPAADA_STR-EXTINDEX sy-vline 
WA_ALTIDPAADA_STR-CVALUES sy-vline 
WA_ALTIDPAADA_STR-PERFCNTHIG sy-vline 
WA_ALTIDPAADA_STR-PERFCNTLOW sy-vline 
WA_ALTIDPAADA_STR-PERFEVTHIG sy-vline 
WA_ALTIDPAADA_STR-PERFEVTLOW sy-vline 
WA_ALTIDPAADA_STR-ALRELEVVAL sy-vline 
WA_ALTIDPAADA_STR-ALRELVALDT sy-vline 
WA_ALTIDPAADA_STR-ALRELVALTI sy-vline 
WA_ALTIDPAADA_STR-ALRELVDUMM sy-vline 
WA_ALTIDPAADA_STR-LASTALSTAT sy-vline 
WA_ALTIDPAADA_STR-LASTPERVAL sy-vline 
WA_ALTIDPAADA_STR-AVG00PVAL sy-vline 
WA_ALTIDPAADA_STR-AVG01PVAL sy-vline 
WA_ALTIDPAADA_STR-AVG05PVAL sy-vline 
WA_ALTIDPAADA_STR-AVG15PVAL sy-vline 
WA_ALTIDPAADA_STR-AVG01SVAL sy-vline 
WA_ALTIDPAADA_STR-AVG05SVAL sy-vline 
WA_ALTIDPAADA_STR-AVG15SVAL sy-vline 
WA_ALTIDPAADA_STR-AVG01CVAL sy-vline 
WA_ALTIDPAADA_STR-AVG05CVAL sy-vline 
WA_ALTIDPAADA_STR-AVG15CVAL sy-vline 
WA_ALTIDPAADA_STR-MAXPFVALUE sy-vline 
WA_ALTIDPAADA_STR-MAXPFDATE sy-vline 
WA_ALTIDPAADA_STR-MAXPFTIME sy-vline 
WA_ALTIDPAADA_STR-MAXPFDUMMY sy-vline 
WA_ALTIDPAADA_STR-MINPFVALUE sy-vline 
WA_ALTIDPAADA_STR-MINPFDATE sy-vline 
WA_ALTIDPAADA_STR-MINPFTIME sy-vline 
WA_ALTIDPAADA_STR-MINPFDUMMY sy-vline 
WA_ALTIDPAADA_STR-PROPERTIES sy-vline 
WA_ALTIDPAADA_STR-CUSTSTAT sy-vline 
WA_ALTIDPAADA_STR-RELVALTYPE sy-vline 
WA_ALTIDPAADA_STR-THRESHDIR sy-vline 
WA_ALTIDPAADA_STR-THRESHSTAT sy-vline 
WA_ALTIDPAADA_STR-ACTIVTHG2Y sy-vline 
WA_ALTIDPAADA_STR-ACTIVTHY2R sy-vline 
WA_ALTIDPAADA_STR-ACTIVTHY2G sy-vline 
WA_ALTIDPAADA_STR-ACTIVTHR2Y sy-vline 
WA_ALTIDPAADA_STR-DEFAUTHG2Y sy-vline 
WA_ALTIDPAADA_STR-DEFAUTHY2R sy-vline 
WA_ALTIDPAADA_STR-DEFAUTHY2G sy-vline 
WA_ALTIDPAADA_STR-DEFAUTHR2Y sy-vline 
WA_ALTIDPAADA_STR-MSGCLASS sy-vline 
WA_ALTIDPAADA_STR-MSGID sy-vline 
WA_ALTIDPAADA_STR-CUSGRPNAME sy-vline 
WA_ALTIDPAADA_STR-VALUNIT sy-vline 
WA_ALTIDPAADA_STR-DECIMALS sy-vline 
WA_ALTIDPAADA_STR-RC sy-vline      INTO ld_text SEPARATED BY SPACE.

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