ABAP Select data from SAP table P01P_PBSZV_0051_BTCIUNDO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P01P_PBSZV_0051_BTCIUNDO 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 P01P_PBSZV_0051_BTCIUNDO. 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 P01P_PBSZV_0051_BTCIUNDO 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_P01P_PBSZV_0051_BTCIUNDO TYPE STANDARD TABLE OF P01P_PBSZV_0051_BTCIUNDO,
      WA_P01P_PBSZV_0051_BTCIUNDO TYPE P01P_PBSZV_0051_BTCIUNDO,
      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: <P01P_PBSZV_0051_BTCIUNDO> TYPE P01P_PBSZV_0051_BTCIUNDO.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P01P_PBSZV_0051_BTCIUNDO.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P01P_PBSZV_0051_BTCIUNDO
  INTO TABLE IT_P01P_PBSZV_0051_BTCIUNDO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P01P_PBSZV_0051_BTCIUNDO
*  INTO TABLE @DATA(IT_P01P_PBSZV_0051_BTCIUNDO2).
*--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_P01P_PBSZV_0051_BTCIUNDO INDEX 1 INTO DATA(WA_P01P_PBSZV_0051_BTCIUNDO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P01P_PBSZV_0051_BTCIUNDO ASSIGNING <P01P_PBSZV_0051_BTCIUNDO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P01P_PBSZV_0051_BTCIUNDO>-PERNR = 1.
<P01P_PBSZV_0051_BTCIUNDO>-BEGDA = 1.
<P01P_PBSZV_0051_BTCIUNDO>-ENDDA = 1.
<P01P_PBSZV_0051_BTCIUNDO>-VBLPF = 1.
<P01P_PBSZV_0051_BTCIUNDO>-PFBIS = 1.

ENDLOOP.

LOOP AT IT_P01P_PBSZV_0051_BTCIUNDO INTO WA_P01P_PBSZV_0051_BTCIUNDO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P01P_PBSZV_0051_BTCIUNDO-BEINB, sy-vline,
  WA_P01P_PBSZV_0051_BTCIUNDO-PAUST, sy-vline,
  WA_P01P_PBSZV_0051_BTCIUNDO-VBLNR, sy-vline,
  WA_P01P_PBSZV_0051_BTCIUNDO-TTART, sy-vline,
  WA_P01P_PBSZV_0051_BTCIUNDO-VVZVE, sy-vline,
  WA_P01P_PBSZV_0051_BTCIUNDO-ARGZU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P01P_PBSZV_0051_BTCIUNDO 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_P01P_PBSZV_0051_BTCIUNDO 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_P01P_PBSZV_0051_BTCIUNDO INTO WA_P01P_PBSZV_0051_BTCIUNDO.


*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_P01P_PBSZV_0051_BTCIUNDO_STR, 
PERNR TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
VBLPF TYPE STRING,
PFBIS TYPE STRING,
BEINB TYPE STRING,
PAUST TYPE STRING,
VBLNR TYPE STRING,
TTART TYPE STRING,
VVZVE TYPE STRING,
ARGZU TYPE STRING,
BEZVE TYPE STRING,
ZWVER TYPE STRING,
AGRND TYPE STRING,
SWTBE TYPE STRING,
WIEDE TYPE STRING,
ZVSOD TYPE STRING,
ZVEID TYPE STRING,
UMLAN TYPE STRING,
FAMST TYPE STRING,
ANSKG TYPE STRING,
ZSUML TYPE STRING,
VTMOD TYPE STRING,
KZ_ALTBESTAND TYPE STRING,
ANZKE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P01P_PBSZV_0051_BTCIUNDO_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_P01P_PBSZV_0051_BTCIUNDO_STR-PERNR sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-BEGDA sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-ENDDA sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-VBLPF sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-PFBIS sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-BEINB sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-PAUST sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-VBLNR sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-TTART sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-VVZVE sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-ARGZU sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-BEZVE sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-ZWVER sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-AGRND sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-SWTBE sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-WIEDE sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-ZVSOD sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-ZVEID sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-UMLAN sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-FAMST sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-ANSKG sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-ZSUML sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-VTMOD sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-KZ_ALTBESTAND sy-vline 
WA_P01P_PBSZV_0051_BTCIUNDO_STR-ANZKE sy-vline      INTO ld_text SEPARATED BY SPACE.

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