ABAP Select data from SAP table PRU_XML_DSV_ANKETA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRU_XML_DSV_ANKETA
*  INTO TABLE @DATA(IT_PRU_XML_DSV_ANKETA2).
*--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_PRU_XML_DSV_ANKETA INDEX 1 INTO DATA(WA_PRU_XML_DSV_ANKETA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRU_XML_DSV_ANKETA>-NDINP = 1.
<PRU_XML_DSV_ANKETA>-LNAAM = 1.
<PRU_XML_DSV_ANKETA>-FAM = 1.
<PRU_XML_DSV_ANKETA>-NAM = 1.
<PRU_XML_DSV_ANKETA>-OTC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRU_XML_DSV_ANKETA-STRAH, sy-vline,
  WA_PRU_XML_DSV_ANKETA-DATAZAP, sy-vline,
  WA_PRU_XML_DSV_ANKETA-SIGNCER, sy-vline,
  WA_PRU_XML_DSV_ANKETA-UPPERLOOP, sy-vline,
  WA_PRU_XML_DSV_ANKETA-UPPERSTEP, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_PRU_XML_DSV_ANKETA 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_PRU_XML_DSV_ANKETA 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_PRU_XML_DSV_ANKETA INTO WA_PRU_XML_DSV_ANKETA.


*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_PRU_XML_DSV_ANKETA_STR, 
NDINP TYPE STRING,
LNAAM TYPE STRING,
FAM TYPE STRING,
NAM TYPE STRING,
OTC TYPE STRING,
STRAH TYPE STRING,
DATAZAP TYPE STRING,
SIGNCER TYPE STRING,
UPPERLOOP TYPE STRING,
UPPERSTEP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRU_XML_DSV_ANKETA_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_PRU_XML_DSV_ANKETA_STR-NDINP sy-vline 
WA_PRU_XML_DSV_ANKETA_STR-LNAAM sy-vline 
WA_PRU_XML_DSV_ANKETA_STR-FAM sy-vline 
WA_PRU_XML_DSV_ANKETA_STR-NAM sy-vline 
WA_PRU_XML_DSV_ANKETA_STR-OTC sy-vline 
WA_PRU_XML_DSV_ANKETA_STR-STRAH sy-vline 
WA_PRU_XML_DSV_ANKETA_STR-DATAZAP sy-vline 
WA_PRU_XML_DSV_ANKETA_STR-SIGNCER sy-vline 
WA_PRU_XML_DSV_ANKETA_STR-UPPERLOOP sy-vline 
WA_PRU_XML_DSV_ANKETA_STR-UPPERSTEP sy-vline      INTO ld_text SEPARATED BY SPACE.

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