ABAP Select data from SAP table P3670 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P3670 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 P3670. 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 P3670 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_P3670 TYPE STANDARD TABLE OF P3670,
      WA_P3670 TYPE P3670,
      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: <P3670> TYPE P3670.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P3670.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P3670
  INTO TABLE IT_P3670.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P3670
*  INTO TABLE @DATA(IT_P36702).
*--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_P3670 INDEX 1 INTO DATA(WA_P36702).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P3670 ASSIGNING <P3670>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P3670>-PERNR = 1.
<P3670>-INFTY = 1.
<P3670>-SUBTY = 1.
<P3670>-OBJPS = 1.
<P3670>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_P3670 INTO WA_P3670.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P3670-ENDDA, sy-vline,
  WA_P3670-BEGDA, sy-vline,
  WA_P3670-SEQNR, sy-vline,
  WA_P3670-AEDTM, sy-vline,
  WA_P3670-UNAME, sy-vline,
  WA_P3670-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P3670 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_P3670 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_P3670 INTO WA_P3670.


*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.

*Conversion exit PDATE, internal->external for field GEBV0
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_P3670-GEBV0
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P3670-GEBV0.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_P3670_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,
ADAT0 TYPE STRING,
RDAT0 TYPE STRING,
BSGR0 TYPE STRING,
EBSV0 TYPE STRING,
AGRD0 TYPE STRING,
SAGR0 TYPE STRING,
BKTN0 TYPE STRING,
DGNA0 TYPE STRING,
KEAB0 TYPE STRING,
KEBI0 TYPE STRING,
UEAB0 TYPE STRING,
UEBI0 TYPE STRING,
BVAB0 TYPE STRING,
BVEN0 TYPE STRING,
INF1 TYPE STRING,
INF2 TYPE STRING,
REFW0 TYPE STRING,
REFU0 TYPE STRING,
REFV0 TYPE STRING,
BBER0 TYPE STRING,
BDAT0 TYPE STRING,
REFN0 TYPE STRING,
BSTRA TYPE STRING,
GMART TYPE STRING,
BVJN0 TYPE STRING,
DTRID TYPE STRING,
GRP_PKT_DTA TYPE STRING,
STRAS TYPE STRING,
HSNMR TYPE STRING,
FLOOR TYPE STRING,
BVLOG TYPE STRING,
AERG1 TYPE STRING,
AERG2 TYPE STRING,
AERG3 TYPE STRING,
AERG4 TYPE STRING,
AERG5 TYPE STRING,
BKFZ0 TYPE STRING,
BPLZ0 TYPE STRING,
BORT0 TYPE STRING,
WOBD0 TYPE STRING,
ZOBD0 TYPE STRING,
GERF0 TYPE STRING,
FRDV0 TYPE STRING,
AGRD0_BVA TYPE STRING,
SAGR0_BVA TYPE STRING,
ANGR0 TYPE STRING,
ANGT0 TYPE STRING,
TAGE0 TYPE STRING,
TDAT0 TYPE STRING,
KZAZ0 TYPE STRING,
AUSVLV0 TYPE STRING,
AUSVGV0 TYPE STRING,
GEBV0 TYPE STRING,
FANV0 TYPE STRING,
VONV0 TYPE STRING,
FASW0 TYPE STRING,
VOSW0 TYPE STRING,
AKSW0 TYPE STRING,
AKSH0 TYPE STRING,
GESW0 TYPE STRING,
KFSW0 TYPE STRING,
PZSW0 TYPE STRING,
WOSW0 TYPE STRING,
WSTS0 TYPE STRING,
WHNS0 TYPE STRING,
WTUS0 TYPE STRING,
WFSW0 TYPE STRING,
VVNR0 TYPE STRING,
PERNRV0 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P3670_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_P3670_STR-PERNR sy-vline 
WA_P3670_STR-INFTY sy-vline 
WA_P3670_STR-SUBTY sy-vline 
WA_P3670_STR-OBJPS sy-vline 
WA_P3670_STR-SPRPS sy-vline 
WA_P3670_STR-ENDDA sy-vline 
WA_P3670_STR-BEGDA sy-vline 
WA_P3670_STR-SEQNR sy-vline 
WA_P3670_STR-AEDTM sy-vline 
WA_P3670_STR-UNAME sy-vline 
WA_P3670_STR-HISTO sy-vline 
WA_P3670_STR-ITXEX sy-vline 
WA_P3670_STR-REFEX sy-vline 
WA_P3670_STR-ORDEX sy-vline 
WA_P3670_STR-ITBLD sy-vline 
WA_P3670_STR-PREAS sy-vline 
WA_P3670_STR-FLAG1 sy-vline 
WA_P3670_STR-FLAG2 sy-vline 
WA_P3670_STR-FLAG3 sy-vline 
WA_P3670_STR-FLAG4 sy-vline 
WA_P3670_STR-RESE1 sy-vline 
WA_P3670_STR-RESE2 sy-vline 
WA_P3670_STR-GRPVL sy-vline 
WA_P3670_STR-SART0 sy-vline 
WA_P3670_STR-STATU sy-vline 
WA_P3670_STR-ADAT0 sy-vline 
WA_P3670_STR-RDAT0 sy-vline 
WA_P3670_STR-BSGR0 sy-vline 
WA_P3670_STR-EBSV0 sy-vline 
WA_P3670_STR-AGRD0 sy-vline 
WA_P3670_STR-SAGR0 sy-vline 
WA_P3670_STR-BKTN0 sy-vline 
WA_P3670_STR-DGNA0 sy-vline 
WA_P3670_STR-KEAB0 sy-vline 
WA_P3670_STR-KEBI0 sy-vline 
WA_P3670_STR-UEAB0 sy-vline 
WA_P3670_STR-UEBI0 sy-vline 
WA_P3670_STR-BVAB0 sy-vline 
WA_P3670_STR-BVEN0 sy-vline 
WA_P3670_STR-INF1 sy-vline 
WA_P3670_STR-INF2 sy-vline 
WA_P3670_STR-REFW0 sy-vline 
WA_P3670_STR-REFU0 sy-vline 
WA_P3670_STR-REFV0 sy-vline 
WA_P3670_STR-BBER0 sy-vline 
WA_P3670_STR-BDAT0 sy-vline 
WA_P3670_STR-REFN0 sy-vline 
WA_P3670_STR-BSTRA sy-vline 
WA_P3670_STR-GMART sy-vline 
WA_P3670_STR-BVJN0 sy-vline 
WA_P3670_STR-DTRID sy-vline 
WA_P3670_STR-GRP_PKT_DTA sy-vline 
WA_P3670_STR-STRAS sy-vline 
WA_P3670_STR-HSNMR sy-vline 
WA_P3670_STR-FLOOR sy-vline 
WA_P3670_STR-BVLOG sy-vline 
WA_P3670_STR-AERG1 sy-vline 
WA_P3670_STR-AERG2 sy-vline 
WA_P3670_STR-AERG3 sy-vline 
WA_P3670_STR-AERG4 sy-vline 
WA_P3670_STR-AERG5 sy-vline 
WA_P3670_STR-BKFZ0 sy-vline 
WA_P3670_STR-BPLZ0 sy-vline 
WA_P3670_STR-BORT0 sy-vline 
WA_P3670_STR-WOBD0 sy-vline 
WA_P3670_STR-ZOBD0 sy-vline 
WA_P3670_STR-GERF0 sy-vline 
WA_P3670_STR-FRDV0 sy-vline 
WA_P3670_STR-AGRD0_BVA sy-vline 
WA_P3670_STR-SAGR0_BVA sy-vline 
WA_P3670_STR-ANGR0 sy-vline 
WA_P3670_STR-ANGT0 sy-vline 
WA_P3670_STR-TAGE0 sy-vline 
WA_P3670_STR-TDAT0 sy-vline 
WA_P3670_STR-KZAZ0 sy-vline 
WA_P3670_STR-AUSVLV0 sy-vline 
WA_P3670_STR-AUSVGV0 sy-vline 
WA_P3670_STR-GEBV0 sy-vline 
WA_P3670_STR-FANV0 sy-vline 
WA_P3670_STR-VONV0 sy-vline 
WA_P3670_STR-FASW0 sy-vline 
WA_P3670_STR-VOSW0 sy-vline 
WA_P3670_STR-AKSW0 sy-vline 
WA_P3670_STR-AKSH0 sy-vline 
WA_P3670_STR-GESW0 sy-vline 
WA_P3670_STR-KFSW0 sy-vline 
WA_P3670_STR-PZSW0 sy-vline 
WA_P3670_STR-WOSW0 sy-vline 
WA_P3670_STR-WSTS0 sy-vline 
WA_P3670_STR-WHNS0 sy-vline 
WA_P3670_STR-WTUS0 sy-vline 
WA_P3670_STR-WFSW0 sy-vline 
WA_P3670_STR-VVNR0 sy-vline 
WA_P3670_STR-PERNRV0 sy-vline      INTO ld_text SEPARATED BY SPACE.

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