ABAP Select data from SAP table P3671 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P3671 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 P3671. 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 P3671 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_P3671 TYPE STANDARD TABLE OF P3671,
      WA_P3671 TYPE P3671,
      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: <P3671> TYPE P3671.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P3671.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P3671
  INTO TABLE IT_P3671.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P3671
*  INTO TABLE @DATA(IT_P36712).
*--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_P3671 INDEX 1 INTO DATA(WA_P36712).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P3671 ASSIGNING <P3671>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P3671>-PERNR = 1.
<P3671>-INFTY = 1.
<P3671>-SUBTY = 1.
<P3671>-OBJPS = 1.
<P3671>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_P3671 INTO WA_P3671.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P3671-ENDDA, sy-vline,
  WA_P3671-BEGDA, sy-vline,
  WA_P3671-SEQNR, sy-vline,
  WA_P3671-AEDTM, sy-vline,
  WA_P3671-UNAME, sy-vline,
  WA_P3671-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P3671 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_P3671 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_P3671 INTO WA_P3671.


*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_P3671_STR, 
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
SART0 TYPE STRING,
STATU TYPE STRING,
DTRID TYPE STRING,
GRP_PKT_DTA TYPE STRING,
REFN0 TYPE STRING,
REFU0 TYPE STRING,
MART0 TYPE STRING,
WMAIL_SUBTY TYPE STRING,
BSTRA TYPE STRING,
BPLZ0 TYPE STRING,
BORT0 TYPE STRING,
BLAND1 TYPE STRING,
DGPS0 TYPE STRING,
DGP00 TYPE STRING,
RB_EU_DG_T536C TYPE STRING,
RB_EU_DG_DIRECT TYPE STRING,
MOLGAE TYPE STRING,
ANKEYE TYPE STRING,
ANARTE TYPE STRING,
AGNA0 TYPE STRING,
AGSTR TYPE STRING,
AGLAND1 TYPE STRING,
AGPLZ TYPE STRING,
AGORT TYPE STRING,
AGTEL TYPE STRING,
AGMAIL TYPE STRING,
BBEG0 TYPE STRING,
BEND0 TYPE STRING,
BFEST TYPE STRING,
BFRIST TYPE STRING,
BBEGIN TYPE STRING,
ANABL TYPE STRING,
ANABLJ TYPE STRING,
BZEIT TYPE STRING,
BUEL0 TYPE STRING,
ANAT0 TYPE STRING,
ANATJ TYPE STRING,
BSTAAT TYPE STRING,
AGST0 TYPE STRING,
AGSTSL TYPE STRING,
CLUSTR_GUID TYPE STRING,
ANIV0 TYPE STRING,
AAKT0 TYPE STRING,
APNR0 TYPE STRING,
VSNA0 TYPE STRING,
RSTAT TYPE STRING,
TABS_INP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P3671_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_P3671_STR-PERNR sy-vline 
WA_P3671_STR-INFTY sy-vline 
WA_P3671_STR-SUBTY sy-vline 
WA_P3671_STR-OBJPS sy-vline 
WA_P3671_STR-SPRPS sy-vline 
WA_P3671_STR-ENDDA sy-vline 
WA_P3671_STR-BEGDA sy-vline 
WA_P3671_STR-SEQNR sy-vline 
WA_P3671_STR-AEDTM sy-vline 
WA_P3671_STR-UNAME sy-vline 
WA_P3671_STR-HISTO sy-vline 
WA_P3671_STR-ITXEX sy-vline 
WA_P3671_STR-REFEX sy-vline 
WA_P3671_STR-ORDEX sy-vline 
WA_P3671_STR-ITBLD sy-vline 
WA_P3671_STR-PREAS sy-vline 
WA_P3671_STR-FLAG1 sy-vline 
WA_P3671_STR-FLAG2 sy-vline 
WA_P3671_STR-FLAG3 sy-vline 
WA_P3671_STR-FLAG4 sy-vline 
WA_P3671_STR-RESE1 sy-vline 
WA_P3671_STR-RESE2 sy-vline 
WA_P3671_STR-GRPVL sy-vline 
WA_P3671_STR-SART0 sy-vline 
WA_P3671_STR-STATU sy-vline 
WA_P3671_STR-DTRID sy-vline 
WA_P3671_STR-GRP_PKT_DTA sy-vline 
WA_P3671_STR-REFN0 sy-vline 
WA_P3671_STR-REFU0 sy-vline 
WA_P3671_STR-MART0 sy-vline 
WA_P3671_STR-WMAIL_SUBTY sy-vline 
WA_P3671_STR-BSTRA sy-vline 
WA_P3671_STR-BPLZ0 sy-vline 
WA_P3671_STR-BORT0 sy-vline 
WA_P3671_STR-BLAND1 sy-vline 
WA_P3671_STR-DGPS0 sy-vline 
WA_P3671_STR-DGP00 sy-vline 
WA_P3671_STR-RB_EU_DG_T536C sy-vline 
WA_P3671_STR-RB_EU_DG_DIRECT sy-vline 
WA_P3671_STR-MOLGAE sy-vline 
WA_P3671_STR-ANKEYE sy-vline 
WA_P3671_STR-ANARTE sy-vline 
WA_P3671_STR-AGNA0 sy-vline 
WA_P3671_STR-AGSTR sy-vline 
WA_P3671_STR-AGLAND1 sy-vline 
WA_P3671_STR-AGPLZ sy-vline 
WA_P3671_STR-AGORT sy-vline 
WA_P3671_STR-AGTEL sy-vline 
WA_P3671_STR-AGMAIL sy-vline 
WA_P3671_STR-BBEG0 sy-vline 
WA_P3671_STR-BEND0 sy-vline 
WA_P3671_STR-BFEST sy-vline 
WA_P3671_STR-BFRIST sy-vline 
WA_P3671_STR-BBEGIN sy-vline 
WA_P3671_STR-ANABL sy-vline 
WA_P3671_STR-ANABLJ sy-vline 
WA_P3671_STR-BZEIT sy-vline 
WA_P3671_STR-BUEL0 sy-vline 
WA_P3671_STR-ANAT0 sy-vline 
WA_P3671_STR-ANATJ sy-vline 
WA_P3671_STR-BSTAAT sy-vline 
WA_P3671_STR-AGST0 sy-vline 
WA_P3671_STR-AGSTSL sy-vline 
WA_P3671_STR-CLUSTR_GUID sy-vline 
WA_P3671_STR-ANIV0 sy-vline 
WA_P3671_STR-AAKT0 sy-vline 
WA_P3671_STR-APNR0 sy-vline 
WA_P3671_STR-VSNA0 sy-vline 
WA_P3671_STR-RSTAT sy-vline 
WA_P3671_STR-TABS_INP sy-vline      INTO ld_text SEPARATED BY SPACE.

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