ABAP Select data from SAP table P12_BHOLP_SVEVL_EXTENDED into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P12_BHOLP_SVEVL_EXTENDED 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 P12_BHOLP_SVEVL_EXTENDED. 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 P12_BHOLP_SVEVL_EXTENDED 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_P12_BHOLP_SVEVL_EXTENDED TYPE STANDARD TABLE OF P12_BHOLP_SVEVL_EXTENDED,
      WA_P12_BHOLP_SVEVL_EXTENDED TYPE P12_BHOLP_SVEVL_EXTENDED,
      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: <P12_BHOLP_SVEVL_EXTENDED> TYPE P12_BHOLP_SVEVL_EXTENDED.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P12_BHOLP_SVEVL_EXTENDED.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P12_BHOLP_SVEVL_EXTENDED
  INTO TABLE IT_P12_BHOLP_SVEVL_EXTENDED.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P12_BHOLP_SVEVL_EXTENDED
*  INTO TABLE @DATA(IT_P12_BHOLP_SVEVL_EXTENDED2).
*--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_P12_BHOLP_SVEVL_EXTENDED INDEX 1 INTO DATA(WA_P12_BHOLP_SVEVL_EXTENDED2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P12_BHOLP_SVEVL_EXTENDED ASSIGNING <P12_BHOLP_SVEVL_EXTENDED>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P12_BHOLP_SVEVL_EXTENDED>-NREMP = 1.
<P12_BHOLP_SVEVL_EXTENDED>-BEGDA = 1.
<P12_BHOLP_SVEVL_EXTENDED>-ENDDA = 1.
<P12_BHOLP_SVEVL_EXTENDED>-RSZNR = 1.
<P12_BHOLP_SVEVL_EXTENDED>-RSZKN = 1.

ENDLOOP.

LOOP AT IT_P12_BHOLP_SVEVL_EXTENDED INTO WA_P12_BHOLP_SVEVL_EXTENDED.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P12_BHOLP_SVEVL_EXTENDED-RSZCA, sy-vline,
  WA_P12_BHOLP_SVEVL_EXTENDED-TRSTE, sy-vline,
  WA_P12_BHOLP_SVEVL_EXTENDED-BEGPC, sy-vline,
  WA_P12_BHOLP_SVEVL_EXTENDED-WRKDD, sy-vline,
  WA_P12_BHOLP_SVEVL_EXTENDED-WDS, sy-vline,
  WA_P12_BHOLP_SVEVL_EXTENDED-MWHWK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P12_BHOLP_SVEVL_EXTENDED 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_P12_BHOLP_SVEVL_EXTENDED 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_P12_BHOLP_SVEVL_EXTENDED INTO WA_P12_BHOLP_SVEVL_EXTENDED.


*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_P12_BHOLP_SVEVL_EXTENDED_STR, 
NREMP TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
RSZNR TYPE STRING,
RSZKN TYPE STRING,
RSZCA TYPE STRING,
TRSTE TYPE STRING,
BEGPC TYPE STRING,
WRKDD TYPE STRING,
WDS TYPE STRING,
MWHWK TYPE STRING,
RFMWH TYPE STRING,
CTTYP TYPE STRING,
REMES TYPE STRING,
EMPLP TYPE STRING,
WRKRS TYPE STRING,
RETIR TYPE STRING,
APTYP TYPE STRING,
MODRM TYPE STRING,
POSCD TYPE STRING,
FLYCL TYPE STRING,
10V12 TYPE STRING,
WRKHR TYPE STRING,
COMID TYPE STRING,
NACEC TYPE STRING,
REMTY TYPE STRING,
CAPEX TYPE STRING,
LOCUN TYPE STRING,
RCAIN TYPE STRING,
TMPFT TYPE STRING,
ILLDT TYPE STRING,
SEREX TYPE STRING,
CARME TYPE STRING,
SEXSD TYPE STRING,
TRASI TYPE STRING,
TSISD TYPE STRING,
SMWHR TYPE STRING,
SECDT TYPE STRING,
SUPCE TYPE STRING,
PSTWO TYPE STRING,
DENOD TYPE STRING,
ESWDS TYPE STRING,
ESMWH TYPE STRING,
REAME TYPE STRING,
ANSTA TYPE STRING,
OCCUP TYPE STRING,
HOLGR TYPE STRING,
WDSTY TYPE STRING,
VACUN TYPE STRING,
ADVUN TYPE STRING,
NOAUN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P12_BHOLP_SVEVL_EXTENDED_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_P12_BHOLP_SVEVL_EXTENDED_STR-NREMP sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-BEGDA sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-ENDDA sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-RSZNR sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-RSZKN sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-RSZCA sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-TRSTE sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-BEGPC sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-WRKDD sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-WDS sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-MWHWK sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-RFMWH sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-CTTYP sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-REMES sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-EMPLP sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-WRKRS sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-RETIR sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-APTYP sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-MODRM sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-POSCD sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-FLYCL sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-10V12 sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-WRKHR sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-COMID sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-NACEC sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-REMTY sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-CAPEX sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-LOCUN sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-RCAIN sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-TMPFT sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-ILLDT sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-SEREX sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-CARME sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-SEXSD sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-TRASI sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-TSISD sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-SMWHR sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-SECDT sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-SUPCE sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-PSTWO sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-DENOD sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-ESWDS sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-ESMWH sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-REAME sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-ANSTA sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-OCCUP sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-HOLGR sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-WDSTY sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-VACUN sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-ADVUN sy-vline 
WA_P12_BHOLP_SVEVL_EXTENDED_STR-NOAUN sy-vline      INTO ld_text SEPARATED BY SPACE.

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