ABAP Select data from SAP table JVRAM01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP JVRAM01 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 JVRAM01. 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 JVRAM01 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_JVRAM01 TYPE STANDARD TABLE OF JVRAM01,
      WA_JVRAM01 TYPE JVRAM01,
      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: <JVRAM01> TYPE JVRAM01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_JVRAM01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM JVRAM01
  INTO TABLE IT_JVRAM01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JVRAM01
*  INTO TABLE @DATA(IT_JVRAM012).
*--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_JVRAM01 INDEX 1 INTO DATA(WA_JVRAM012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_JVRAM01 ASSIGNING <JVRAM01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JVRAM01>-BUKRS = 1.
<JVRAM01>-ANLN1 = 1.
<JVRAM01>-ANLN2 = 1.
<JVRAM01>-VYEAR = 1.
<JVRAM01>-VMNTH = 1.

ENDLOOP.

LOOP AT IT_JVRAM01 INTO WA_JVRAM01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JVRAM01-BUDAT, sy-vline,
  WA_JVRAM01-BLDAT, sy-vline,
  WA_JVRAM01-MANPR, sy-vline,
  WA_JVRAM01-VQUOT, sy-vline,
  WA_JVRAM01-PCURR, sy-vline,
  WA_JVRAM01-PPUBL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JVRAM01 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_JVRAM01 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_JVRAM01 INTO WA_JVRAM01.


*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 ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field VYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-VYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-VYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MSEHI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-MSEHI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-MSEHI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONDI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-CONDI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-CONDI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-PSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ZANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-ZANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-ZANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ZANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-ZANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-ZANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-SAKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-SAKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field BUJHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-BUJHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-BUJHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FAUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-FAUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-FAUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field FPSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-FPSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-FPSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVRAM01-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVRAM01-VBUND.
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_JVRAM01_STR, 
BUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
VYEAR TYPE STRING,
VMNTH TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
MANPR TYPE STRING,
VQUOT TYPE STRING,
PCURR TYPE STRING,
PPUBL TYPE STRING,
MATNR TYPE STRING,
MATKL TYPE STRING,
MENGE TYPE STRING,
MSEHI TYPE STRING,
WAERS TYPE STRING,
CONDI TYPE STRING,
AUFNR TYPE STRING,
PSPNR TYPE STRING,
ZANLN1 TYPE STRING,
ZANLN2 TYPE STRING,
BLART TYPE STRING,
EBC_CAL TYPE STRING,
H_ZUONR TYPE STRING,
MONAT TYPE STRING,
SAKNR TYPE STRING,
CRP TYPE STRING,
EBC TYPE STRING,
NBI TYPE STRING,
BUJHR TYPE STRING,
MANDT TYPE STRING,
BZDAT TYPE STRING,
WERKS TYPE STRING,
KUNNR TYPE STRING,
CNP TYPE STRING,
IDX1 TYPE STRING,
IDX2 TYPE STRING,
BKTXT TYPE STRING,
SGTXT TYPE STRING,
FAUFNR TYPE STRING,
FPSPNR TYPE STRING,
ERLBT TYPE STRING,
ANBWA TYPE STRING,
XNONBIL TYPE STRING,
VBUND TYPE STRING,
PARGB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JVRAM01_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_JVRAM01_STR-BUKRS sy-vline 
WA_JVRAM01_STR-ANLN1 sy-vline 
WA_JVRAM01_STR-ANLN2 sy-vline 
WA_JVRAM01_STR-VYEAR sy-vline 
WA_JVRAM01_STR-VMNTH sy-vline 
WA_JVRAM01_STR-BUDAT sy-vline 
WA_JVRAM01_STR-BLDAT sy-vline 
WA_JVRAM01_STR-MANPR sy-vline 
WA_JVRAM01_STR-VQUOT sy-vline 
WA_JVRAM01_STR-PCURR sy-vline 
WA_JVRAM01_STR-PPUBL sy-vline 
WA_JVRAM01_STR-MATNR sy-vline 
WA_JVRAM01_STR-MATKL sy-vline 
WA_JVRAM01_STR-MENGE sy-vline 
WA_JVRAM01_STR-MSEHI sy-vline 
WA_JVRAM01_STR-WAERS sy-vline 
WA_JVRAM01_STR-CONDI sy-vline 
WA_JVRAM01_STR-AUFNR sy-vline 
WA_JVRAM01_STR-PSPNR sy-vline 
WA_JVRAM01_STR-ZANLN1 sy-vline 
WA_JVRAM01_STR-ZANLN2 sy-vline 
WA_JVRAM01_STR-BLART sy-vline 
WA_JVRAM01_STR-EBC_CAL sy-vline 
WA_JVRAM01_STR-H_ZUONR sy-vline 
WA_JVRAM01_STR-MONAT sy-vline 
WA_JVRAM01_STR-SAKNR sy-vline 
WA_JVRAM01_STR-CRP sy-vline 
WA_JVRAM01_STR-EBC sy-vline 
WA_JVRAM01_STR-NBI sy-vline 
WA_JVRAM01_STR-BUJHR sy-vline 
WA_JVRAM01_STR-MANDT sy-vline 
WA_JVRAM01_STR-BZDAT sy-vline 
WA_JVRAM01_STR-WERKS sy-vline 
WA_JVRAM01_STR-KUNNR sy-vline 
WA_JVRAM01_STR-CNP sy-vline 
WA_JVRAM01_STR-IDX1 sy-vline 
WA_JVRAM01_STR-IDX2 sy-vline 
WA_JVRAM01_STR-BKTXT sy-vline 
WA_JVRAM01_STR-SGTXT sy-vline 
WA_JVRAM01_STR-FAUFNR sy-vline 
WA_JVRAM01_STR-FPSPNR sy-vline 
WA_JVRAM01_STR-ERLBT sy-vline 
WA_JVRAM01_STR-ANBWA sy-vline 
WA_JVRAM01_STR-XNONBIL sy-vline 
WA_JVRAM01_STR-VBUND sy-vline 
WA_JVRAM01_STR-PARGB sy-vline      INTO ld_text SEPARATED BY SPACE.

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