ABAP Select data from SAP table P02_VDXML_ACI_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P02_VDXML_ACI_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 P02_VDXML_ACI_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 P02_VDXML_ACI_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_P02_VDXML_ACI_ALV TYPE STANDARD TABLE OF P02_VDXML_ACI_ALV,
      WA_P02_VDXML_ACI_ALV TYPE P02_VDXML_ACI_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: <P02_VDXML_ACI_ALV> TYPE P02_VDXML_ACI_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P02_VDXML_ACI_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P02_VDXML_ACI_ALV
  INTO TABLE IT_P02_VDXML_ACI_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P02_VDXML_ACI_ALV
*  INTO TABLE @DATA(IT_P02_VDXML_ACI_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_P02_VDXML_ACI_ALV INDEX 1 INTO DATA(WA_P02_VDXML_ACI_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P02_VDXML_ACI_ALV ASSIGNING <P02_VDXML_ACI_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P02_VDXML_ACI_ALV>-SECT = 1.
<P02_VDXML_ACI_ALV>-KANTO = 1.
<P02_VDXML_ACI_ALV>-ABREH = 1.
<P02_VDXML_ACI_ALV>-VERSION = 1.
<P02_VDXML_ACI_ALV>-CURRENCY = 1.

ENDLOOP.

LOOP AT IT_P02_VDXML_ACI_ALV INTO WA_P02_VDXML_ACI_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P02_VDXML_ACI_ALV-BEGIN_DECL, sy-vline,
  WA_P02_VDXML_ACI_ALV-BEGIN_DECL_XML, sy-vline,
  WA_P02_VDXML_ACI_ALV-END_DECL, sy-vline,
  WA_P02_VDXML_ACI_ALV-END_DECL_XML, sy-vline,
  WA_P02_VDXML_ACI_ALV-TYPE_LIST_XML, sy-vline,
  WA_P02_VDXML_ACI_ALV-NUM_DEBT_XML, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P02_VDXML_ACI_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_P02_VDXML_ACI_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_P02_VDXML_ACI_ALV INTO WA_P02_VDXML_ACI_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_P02_VDXML_ACI_ALV_STR, 
SECT TYPE STRING,
KANTO TYPE STRING,
ABREH TYPE STRING,
VERSION TYPE STRING,
CURRENCY TYPE STRING,
BEGIN_DECL TYPE STRING,
BEGIN_DECL_XML TYPE STRING,
END_DECL TYPE STRING,
END_DECL_XML TYPE STRING,
TYPE_LIST_XML TYPE STRING,
NUM_DEBT_XML TYPE STRING,
TOTAL_WITHH TYPE STRING,
TOTAL_WITHH_XML TYPE STRING,
COMMISION_ER TYPE STRING,
COMMISION_ER_XML TYPE STRING,
SECT_IDENT TYPE STRING,
PERNR TYPE STRING,
PAYM_SEQ_NO_XML TYPE STRING,
NO_TAX_PAYER TYPE STRING,
SURNAME_XML TYPE STRING,
FIRSTNAME_XML TYPE STRING,
BIRTHDATE TYPE STRING,
BIRTHDATE_XML TYPE STRING,
GENDER TYPE STRING,
GENDER_XML TYPE STRING,
SI_NO_XML TYPE STRING,
RES_PERMIT TYPE STRING,
RES_PERMIT_XML TYPE STRING,
SWISS_XML TYPE STRING,
MUNICIP_XML TYPE STRING,
IDENT_ER_XML TYPE STRING,
SECT_WAGE TYPE STRING,
BEGIN_PAYM TYPE STRING,
BEGIN_PAYM_XML TYPE STRING,
END_PAYM TYPE STRING,
END_PAYM_XML TYPE STRING,
SEQ_NO_XML TYPE STRING,
NON_PER_INCOME TYPE STRING,
NON_PER_INCOME_XML TYPE STRING,
WITHH_INCOME TYPE STRING,
WITHH_INCOME_XML TYPE STRING,
WITHHOLDING TYPE STRING,
WITHHOLDING_XML TYPE STRING,
COMMISION TYPE STRING,
COMMISION_XML TYPE STRING,
NO_CHILDREN_XML TYPE STRING,
ACTIV_TYPE TYPE STRING,
ACTIV_TYPE_XML TYPE STRING,
ACTIV_RATE TYPE STRING,
ACTIV_RATE_XML TYPE STRING,
SCALE TYPE STRING,
SCALE_XML TYPE STRING,
EVENT TYPE STRING,
EVENT_XML TYPE STRING,
EVENT_DATE TYPE STRING,
EVENT_DATE_XML TYPE STRING,
QSTBT_CANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P02_VDXML_ACI_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_P02_VDXML_ACI_ALV_STR-SECT sy-vline 
WA_P02_VDXML_ACI_ALV_STR-KANTO sy-vline 
WA_P02_VDXML_ACI_ALV_STR-ABREH sy-vline 
WA_P02_VDXML_ACI_ALV_STR-VERSION sy-vline 
WA_P02_VDXML_ACI_ALV_STR-CURRENCY sy-vline 
WA_P02_VDXML_ACI_ALV_STR-BEGIN_DECL sy-vline 
WA_P02_VDXML_ACI_ALV_STR-BEGIN_DECL_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-END_DECL sy-vline 
WA_P02_VDXML_ACI_ALV_STR-END_DECL_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-TYPE_LIST_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-NUM_DEBT_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-TOTAL_WITHH sy-vline 
WA_P02_VDXML_ACI_ALV_STR-TOTAL_WITHH_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-COMMISION_ER sy-vline 
WA_P02_VDXML_ACI_ALV_STR-COMMISION_ER_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-SECT_IDENT sy-vline 
WA_P02_VDXML_ACI_ALV_STR-PERNR sy-vline 
WA_P02_VDXML_ACI_ALV_STR-PAYM_SEQ_NO_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-NO_TAX_PAYER sy-vline 
WA_P02_VDXML_ACI_ALV_STR-SURNAME_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-FIRSTNAME_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-BIRTHDATE sy-vline 
WA_P02_VDXML_ACI_ALV_STR-BIRTHDATE_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-GENDER sy-vline 
WA_P02_VDXML_ACI_ALV_STR-GENDER_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-SI_NO_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-RES_PERMIT sy-vline 
WA_P02_VDXML_ACI_ALV_STR-RES_PERMIT_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-SWISS_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-MUNICIP_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-IDENT_ER_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-SECT_WAGE sy-vline 
WA_P02_VDXML_ACI_ALV_STR-BEGIN_PAYM sy-vline 
WA_P02_VDXML_ACI_ALV_STR-BEGIN_PAYM_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-END_PAYM sy-vline 
WA_P02_VDXML_ACI_ALV_STR-END_PAYM_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-SEQ_NO_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-NON_PER_INCOME sy-vline 
WA_P02_VDXML_ACI_ALV_STR-NON_PER_INCOME_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-WITHH_INCOME sy-vline 
WA_P02_VDXML_ACI_ALV_STR-WITHH_INCOME_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-WITHHOLDING sy-vline 
WA_P02_VDXML_ACI_ALV_STR-WITHHOLDING_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-COMMISION sy-vline 
WA_P02_VDXML_ACI_ALV_STR-COMMISION_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-NO_CHILDREN_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-ACTIV_TYPE sy-vline 
WA_P02_VDXML_ACI_ALV_STR-ACTIV_TYPE_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-ACTIV_RATE sy-vline 
WA_P02_VDXML_ACI_ALV_STR-ACTIV_RATE_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-SCALE sy-vline 
WA_P02_VDXML_ACI_ALV_STR-SCALE_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-EVENT sy-vline 
WA_P02_VDXML_ACI_ALV_STR-EVENT_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-EVENT_DATE sy-vline 
WA_P02_VDXML_ACI_ALV_STR-EVENT_DATE_XML sy-vline 
WA_P02_VDXML_ACI_ALV_STR-QSTBT_CANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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