ABAP Select data from SAP table RJV1301 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RJV1301 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 RJV1301. 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 RJV1301 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_RJV1301 TYPE STANDARD TABLE OF RJV1301,
      WA_RJV1301 TYPE RJV1301,
      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: <RJV1301> TYPE RJV1301.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RJV1301.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RJV1301
  INTO TABLE IT_RJV1301.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJV1301
*  INTO TABLE @DATA(IT_RJV13012).
*--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_RJV1301 INDEX 1 INTO DATA(WA_RJV13012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RJV1301 ASSIGNING <RJV1301>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJV1301>-XSTRUAKTIV = 1.
<RJV1301>-GUELTIGAB = 1.
<RJV1301>-GUELTIGBIS = 1.
<RJV1301>-GBISBEEND = 1.
<RJV1301>-VKORG = 1.

ENDLOOP.

LOOP AT IT_RJV1301 INTO WA_RJV1301.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJV1301-VTWEG, sy-vline,
  WA_RJV1301-LIEFERART, sy-vline,
  WA_RJV1301-DRERZ, sy-vline,
  WA_RJV1301-PVA, sy-vline,
  WA_RJV1301-BEZUGSTYP, sy-vline,
  WA_RJV1301-BEZIRK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJV1301 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_RJV1301 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_RJV1301 INTO WA_RJV1301.


*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 ALPHA, internal->external for field DRERZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJV1301-DRERZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJV1301-DRERZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PVA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJV1301-PVA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJV1301-PVA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BEZIRK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJV1301-BEZIRK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJV1301-BEZIRK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GEOEIN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJV1301-GEOEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJV1301-GEOEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JGPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJV1301-JGPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJV1301-JGPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JSERVGES
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJV1301-JSERVGES
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJV1301-JSERVGES.
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_RJV1301_STR, 
XSTRUAKTIV TYPE STRING,
GUELTIGAB TYPE STRING,
GUELTIGBIS TYPE STRING,
GBISBEEND TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
LIEFERART TYPE STRING,
DRERZ TYPE STRING,
PVA TYPE STRING,
BEZUGSTYP TYPE STRING,
BEZIRK TYPE STRING,
GEOEIN TYPE STRING,
DRUCKEREI TYPE STRING,
JGPART_NAM TYPE STRING,
JSERVG_NAM TYPE STRING,
DBCODE TYPE STRING,
MANDT TYPE STRING,
LIEFBARNR TYPE STRING,
AB_DAT_GP TYPE STRING,
JGPARTNER TYPE STRING,
JSERVGES TYPE STRING,
BIS_DAT_GP TYPE STRING,
X_ABR_REL TYPE STRING,
GP_ERS_ART TYPE STRING,
ERFUSER TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
AENUSER TYPE STRING,
AENDATE TYPE STRING,
AENTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJV1301_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_RJV1301_STR-XSTRUAKTIV sy-vline 
WA_RJV1301_STR-GUELTIGAB sy-vline 
WA_RJV1301_STR-GUELTIGBIS sy-vline 
WA_RJV1301_STR-GBISBEEND sy-vline 
WA_RJV1301_STR-VKORG sy-vline 
WA_RJV1301_STR-VTWEG sy-vline 
WA_RJV1301_STR-LIEFERART sy-vline 
WA_RJV1301_STR-DRERZ sy-vline 
WA_RJV1301_STR-PVA sy-vline 
WA_RJV1301_STR-BEZUGSTYP sy-vline 
WA_RJV1301_STR-BEZIRK sy-vline 
WA_RJV1301_STR-GEOEIN sy-vline 
WA_RJV1301_STR-DRUCKEREI sy-vline 
WA_RJV1301_STR-JGPART_NAM sy-vline 
WA_RJV1301_STR-JSERVG_NAM sy-vline 
WA_RJV1301_STR-DBCODE sy-vline 
WA_RJV1301_STR-MANDT sy-vline 
WA_RJV1301_STR-LIEFBARNR sy-vline 
WA_RJV1301_STR-AB_DAT_GP sy-vline 
WA_RJV1301_STR-JGPARTNER sy-vline 
WA_RJV1301_STR-JSERVGES sy-vline 
WA_RJV1301_STR-BIS_DAT_GP sy-vline 
WA_RJV1301_STR-X_ABR_REL sy-vline 
WA_RJV1301_STR-GP_ERS_ART sy-vline 
WA_RJV1301_STR-ERFUSER sy-vline 
WA_RJV1301_STR-ERFDATE sy-vline 
WA_RJV1301_STR-ERFTIME sy-vline 
WA_RJV1301_STR-AENUSER sy-vline 
WA_RJV1301_STR-AENDATE sy-vline 
WA_RJV1301_STR-AENTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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