ABAP Select data from SAP table P2RB_BHOLP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P2RB_BHOLP 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 P2RB_BHOLP. 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 P2RB_BHOLP 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_P2RB_BHOLP TYPE STANDARD TABLE OF P2RB_BHOLP,
      WA_P2RB_BHOLP TYPE P2RB_BHOLP,
      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: <P2RB_BHOLP> TYPE P2RB_BHOLP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P2RB_BHOLP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P2RB_BHOLP
  INTO TABLE IT_P2RB_BHOLP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P2RB_BHOLP
*  INTO TABLE @DATA(IT_P2RB_BHOLP2).
*--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_P2RB_BHOLP INDEX 1 INTO DATA(WA_P2RB_BHOLP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P2RB_BHOLP ASSIGNING <P2RB_BHOLP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P2RB_BHOLP>-MANDT = 1.
<P2RB_BHOLP>-DCT_PERNR = 1.
<P2RB_BHOLP>-DCT_SEQNR = 1.
<P2RB_BHOLP>-DCT_ROWID = 1.
<P2RB_BHOLP>-NRHOL = 1.

ENDLOOP.

LOOP AT IT_P2RB_BHOLP INTO WA_P2RB_BHOLP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P2RB_BHOLP-BEGDA, sy-vline,
  WA_P2RB_BHOLP-ENDDA, sy-vline,
  WA_P2RB_BHOLP-ANSTA, sy-vline,
  WA_P2RB_BHOLP-HOLGR, sy-vline,
  WA_P2RB_BHOLP-MWHWK, sy-vline,
  WA_P2RB_BHOLP-RFMWH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P2RB_BHOLP 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_P2RB_BHOLP 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_P2RB_BHOLP INTO WA_P2RB_BHOLP.


*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_P2RB_BHOLP_STR, 
MANDT TYPE STRING,
DCT_PERNR TYPE STRING,
DCT_SEQNR TYPE STRING,
DCT_ROWID TYPE STRING,
NRHOL TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ANSTA TYPE STRING,
HOLGR TYPE STRING,
MWHWK TYPE STRING,
RFMWH TYPE STRING,
WDS TYPE STRING,
VACUN TYPE STRING,
ADVUN TYPE STRING,
DECAL TYPE STRING,
EMFAC TYPE STRING,
SSOLL TYPE STRING,
NOABS TYPE STRING,
NOAUN TYPE STRING,
RFMTH TYPE STRING,
GROEX TYPE STRING,
GRODE TYPE STRING,
NDHPP TYPE STRING,
ESHPP TYPE STRING,
EDHPP TYPE STRING,
DSHPP TYPE STRING,
DDHPP TYPE STRING,
SHP TYPE STRING,
SHPE TYPE STRING,
RSHPE TYPE STRING,
DBHPE TYPE STRING,
RDHPE TYPE STRING,
ADHPE TYPE STRING,
RADHP TYPE STRING,
SHPD TYPE STRING,
DHPD TYPE STRING,
ADHPD TYPE STRING,
IVAEN TYPE STRING,
VATAK TYPE STRING,
ADDVE TYPE STRING,
ADDVT TYPE STRING,
WAERS TYPE STRING,
REGSI TYPE STRING,
REGDO TYPE STRING,
SHP_D TYPE STRING,
DHP_D TYPE STRING,
ADH_D TYPE STRING,
SHP_R TYPE STRING,
DHP_R TYPE STRING,
ADH_R TYPE STRING,
ADDVI TYPE STRING,
ADDVN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P2RB_BHOLP_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_P2RB_BHOLP_STR-MANDT sy-vline 
WA_P2RB_BHOLP_STR-DCT_PERNR sy-vline 
WA_P2RB_BHOLP_STR-DCT_SEQNR sy-vline 
WA_P2RB_BHOLP_STR-DCT_ROWID sy-vline 
WA_P2RB_BHOLP_STR-NRHOL sy-vline 
WA_P2RB_BHOLP_STR-BEGDA sy-vline 
WA_P2RB_BHOLP_STR-ENDDA sy-vline 
WA_P2RB_BHOLP_STR-ANSTA sy-vline 
WA_P2RB_BHOLP_STR-HOLGR sy-vline 
WA_P2RB_BHOLP_STR-MWHWK sy-vline 
WA_P2RB_BHOLP_STR-RFMWH sy-vline 
WA_P2RB_BHOLP_STR-WDS sy-vline 
WA_P2RB_BHOLP_STR-VACUN sy-vline 
WA_P2RB_BHOLP_STR-ADVUN sy-vline 
WA_P2RB_BHOLP_STR-DECAL sy-vline 
WA_P2RB_BHOLP_STR-EMFAC sy-vline 
WA_P2RB_BHOLP_STR-SSOLL sy-vline 
WA_P2RB_BHOLP_STR-NOABS sy-vline 
WA_P2RB_BHOLP_STR-NOAUN sy-vline 
WA_P2RB_BHOLP_STR-RFMTH sy-vline 
WA_P2RB_BHOLP_STR-GROEX sy-vline 
WA_P2RB_BHOLP_STR-GRODE sy-vline 
WA_P2RB_BHOLP_STR-NDHPP sy-vline 
WA_P2RB_BHOLP_STR-ESHPP sy-vline 
WA_P2RB_BHOLP_STR-EDHPP sy-vline 
WA_P2RB_BHOLP_STR-DSHPP sy-vline 
WA_P2RB_BHOLP_STR-DDHPP sy-vline 
WA_P2RB_BHOLP_STR-SHP sy-vline 
WA_P2RB_BHOLP_STR-SHPE sy-vline 
WA_P2RB_BHOLP_STR-RSHPE sy-vline 
WA_P2RB_BHOLP_STR-DBHPE sy-vline 
WA_P2RB_BHOLP_STR-RDHPE sy-vline 
WA_P2RB_BHOLP_STR-ADHPE sy-vline 
WA_P2RB_BHOLP_STR-RADHP sy-vline 
WA_P2RB_BHOLP_STR-SHPD sy-vline 
WA_P2RB_BHOLP_STR-DHPD sy-vline 
WA_P2RB_BHOLP_STR-ADHPD sy-vline 
WA_P2RB_BHOLP_STR-IVAEN sy-vline 
WA_P2RB_BHOLP_STR-VATAK sy-vline 
WA_P2RB_BHOLP_STR-ADDVE sy-vline 
WA_P2RB_BHOLP_STR-ADDVT sy-vline 
WA_P2RB_BHOLP_STR-WAERS sy-vline 
WA_P2RB_BHOLP_STR-REGSI sy-vline 
WA_P2RB_BHOLP_STR-REGDO sy-vline 
WA_P2RB_BHOLP_STR-SHP_D sy-vline 
WA_P2RB_BHOLP_STR-DHP_D sy-vline 
WA_P2RB_BHOLP_STR-ADH_D sy-vline 
WA_P2RB_BHOLP_STR-SHP_R sy-vline 
WA_P2RB_BHOLP_STR-DHP_R sy-vline 
WA_P2RB_BHOLP_STR-ADH_R sy-vline 
WA_P2RB_BHOLP_STR-ADDVI sy-vline 
WA_P2RB_BHOLP_STR-ADDVN sy-vline      INTO ld_text SEPARATED BY SPACE.

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