ABAP Select data from SAP table /MVA/AMD_VBMDATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /MVA/AMD_VBMDATA 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 /MVA/AMD_VBMDATA. 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 /MVA/AMD_VBMDATA 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_/MVA/AMD_VBMDATA TYPE STANDARD TABLE OF /MVA/AMD_VBMDATA,
      WA_/MVA/AMD_VBMDATA TYPE /MVA/AMD_VBMDATA,
      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: </MVA/AMD_VBMDATA> TYPE /MVA/AMD_VBMDATA.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /MVA/AMD_VBMDATA
  INTO TABLE IT_/MVA/AMD_VBMDATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MVA/AMD_VBMDATA
*  INTO TABLE @DATA(IT_/MVA/AMD_VBMDATA2).
*--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_/MVA/AMD_VBMDATA INDEX 1 INTO DATA(WA_/MVA/AMD_VBMDATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/MVA/AMD_VBMDATA ASSIGNING </MVA/AMD_VBMDATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MVA/AMD_VBMDATA>-CLIENT = 1.
</MVA/AMD_VBMDATA>-BM_ID = 1.
</MVA/AMD_VBMDATA>-BP_ID = 1.
</MVA/AMD_VBMDATA>-FRC_ID = 1.
</MVA/AMD_VBMDATA>-BMVALID_DT = 1.

ENDLOOP.

LOOP AT IT_/MVA/AMD_VBMDATA INTO WA_/MVA/AMD_VBMDATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MVA/AMD_VBMDATA-BMMOD_TS, sy-vline,
  WA_/MVA/AMD_VBMDATA-INSURANCE_TP, sy-vline,
  WA_/MVA/AMD_VBMDATA-BMSTATE_ID, sy-vline,
  WA_/MVA/AMD_VBMDATA-PROCVALID_DT, sy-vline,
  WA_/MVA/AMD_VBMDATA-PREMSTEP_ID, sy-vline,
  WA_/MVA/AMD_VBMDATA-MODCAUSE_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MVA/AMD_VBMDATA 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_/MVA/AMD_VBMDATA 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_/MVA/AMD_VBMDATA INTO WA_/MVA/AMD_VBMDATA.


*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 BP_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MVA/AMD_VBMDATA-BP_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MVA/AMD_VBMDATA-BP_ID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/MVA/AMD_VBMDATA-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MVA/AMD_VBMDATA-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SHORTNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MVA/AMD_VBMDATA-SHORTNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MVA/AMD_VBMDATA-SHORTNAME.
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_/MVA/AMD_VBMDATA_STR, 
CLIENT TYPE STRING,
BM_ID TYPE STRING,
BP_ID TYPE STRING,
FRC_ID TYPE STRING,
BMVALID_DT TYPE STRING,
BMMOD_TS TYPE STRING,
INSURANCE_TP TYPE STRING,
BMSTATE_ID TYPE STRING,
PROCVALID_DT TYPE STRING,
PREMSTEP_ID TYPE STRING,
MODCAUSE_ID TYPE STRING,
PROCMOD_TS TYPE STRING,
CONVALID_DT TYPE STRING,
CONMOD_TS TYPE STRING,
APPLNR_TT TYPE STRING,
BMBEGIN_DT TYPE STRING,
BMEND_DT TYPE STRING,
YODINT_DT TYPE STRING,
ADDONINT_ID TYPE STRING,
JOURNALNO_ID TYPE STRING,
PROCJOURNALNO_ID TYPE STRING,
CONJOURNALNO_ID TYPE STRING,
LANGU TYPE STRING,
SHORTNAME TYPE STRING,
COMPANYKEY_ID TYPE STRING,
LOCK_FG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MVA/AMD_VBMDATA_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_/MVA/AMD_VBMDATA_STR-CLIENT sy-vline 
WA_/MVA/AMD_VBMDATA_STR-BM_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-BP_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-FRC_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-BMVALID_DT sy-vline 
WA_/MVA/AMD_VBMDATA_STR-BMMOD_TS sy-vline 
WA_/MVA/AMD_VBMDATA_STR-INSURANCE_TP sy-vline 
WA_/MVA/AMD_VBMDATA_STR-BMSTATE_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-PROCVALID_DT sy-vline 
WA_/MVA/AMD_VBMDATA_STR-PREMSTEP_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-MODCAUSE_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-PROCMOD_TS sy-vline 
WA_/MVA/AMD_VBMDATA_STR-CONVALID_DT sy-vline 
WA_/MVA/AMD_VBMDATA_STR-CONMOD_TS sy-vline 
WA_/MVA/AMD_VBMDATA_STR-APPLNR_TT sy-vline 
WA_/MVA/AMD_VBMDATA_STR-BMBEGIN_DT sy-vline 
WA_/MVA/AMD_VBMDATA_STR-BMEND_DT sy-vline 
WA_/MVA/AMD_VBMDATA_STR-YODINT_DT sy-vline 
WA_/MVA/AMD_VBMDATA_STR-ADDONINT_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-JOURNALNO_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-PROCJOURNALNO_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-CONJOURNALNO_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-LANGU sy-vline 
WA_/MVA/AMD_VBMDATA_STR-SHORTNAME sy-vline 
WA_/MVA/AMD_VBMDATA_STR-COMPANYKEY_ID sy-vline 
WA_/MVA/AMD_VBMDATA_STR-LOCK_FG sy-vline      INTO ld_text SEPARATED BY SPACE.

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