ABAP Select data from SAP table JBVMPGPAR into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBVMPGPAR
*  INTO TABLE @DATA(IT_JBVMPGPAR2).
*--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_JBVMPGPAR INDEX 1 INTO DATA(WA_JBVMPGPAR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBVMPGPAR>-MANDT = 1.
<JBVMPGPAR>-RPLANV = 1.
<JBVMPGPAR>-SICHTID = 1.
<JBVMPGPAR>-PHID = 1.
<JBVMPGPAR>-NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBVMPGPAR-LFDNR, sy-vline,
  WA_JBVMPGPAR-MKTPRSTYP, sy-vline,
  WA_JBVMPGPAR-SZSREF, sy-vline,
  WA_JBVMPGPAR-SIDXART, sy-vline,
  WA_JBVMPGPAR-SINDEX, sy-vline,
  WA_JBVMPGPAR-SKURSTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBVMPGPAR 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_JBVMPGPAR 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_JBVMPGPAR INTO WA_JBVMPGPAR.


*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_JBVMPGPAR_STR, 
MANDT TYPE STRING,
RPLANV TYPE STRING,
SICHTID TYPE STRING,
PHID TYPE STRING,
NAME TYPE STRING,
LFDNR TYPE STRING,
MKTPRSTYP TYPE STRING,
SZSREF TYPE STRING,
SIDXART TYPE STRING,
SINDEX TYPE STRING,
SKURSTYP TYPE STRING,
SWAERSF TYPE STRING,
SWAERST TYPE STRING,
GEWICHT TYPE STRING,
SSIGNGEW TYPE STRING,
ADIFFRTM TYPE STRING,
SZERTM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBVMPGPAR_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_JBVMPGPAR_STR-MANDT sy-vline 
WA_JBVMPGPAR_STR-RPLANV sy-vline 
WA_JBVMPGPAR_STR-SICHTID sy-vline 
WA_JBVMPGPAR_STR-PHID sy-vline 
WA_JBVMPGPAR_STR-NAME sy-vline 
WA_JBVMPGPAR_STR-LFDNR sy-vline 
WA_JBVMPGPAR_STR-MKTPRSTYP sy-vline 
WA_JBVMPGPAR_STR-SZSREF sy-vline 
WA_JBVMPGPAR_STR-SIDXART sy-vline 
WA_JBVMPGPAR_STR-SINDEX sy-vline 
WA_JBVMPGPAR_STR-SKURSTYP sy-vline 
WA_JBVMPGPAR_STR-SWAERSF sy-vline 
WA_JBVMPGPAR_STR-SWAERST sy-vline 
WA_JBVMPGPAR_STR-GEWICHT sy-vline 
WA_JBVMPGPAR_STR-SSIGNGEW sy-vline 
WA_JBVMPGPAR_STR-ADIFFRTM sy-vline 
WA_JBVMPGPAR_STR-SZERTM sy-vline      INTO ld_text SEPARATED BY SPACE.

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