ABAP Select data from SAP table MDC_DETAILS_BP_VAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MDC_DETAILS_BP_VAL
*  INTO TABLE @DATA(IT_MDC_DETAILS_BP_VAL2).
*--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_MDC_DETAILS_BP_VAL INDEX 1 INTO DATA(WA_MDC_DETAILS_BP_VAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MDC_DETAILS_BP_VAL>-PROCESS_ID = 1.
<MDC_DETAILS_BP_VAL>-PROCESS_STEP_NO = 1.
<MDC_DETAILS_BP_VAL>-SOURCE_SYSTEM = 1.
<MDC_DETAILS_BP_VAL>-SOURCE_ID = 1.
<MDC_DETAILS_BP_VAL>-FILTER_STRING = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MDC_DETAILS_BP_VAL-PARTNER, sy-vline,
  WA_MDC_DETAILS_BP_VAL-TYPE, sy-vline,
  WA_MDC_DETAILS_BP_VAL-BU_GROUP, sy-vline,
  WA_MDC_DETAILS_BP_VAL-BU_SORT1, sy-vline,
  WA_MDC_DETAILS_BP_VAL-BU_SORT2, sy-vline,
  WA_MDC_DETAILS_BP_VAL-TITLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MDC_DETAILS_BP_VAL 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_MDC_DETAILS_BP_VAL 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_MDC_DETAILS_BP_VAL INTO WA_MDC_DETAILS_BP_VAL.


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

*Conversion exit SXIDN, internal->external for field EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_MDC_DETAILS_BP_VAL-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MDC_DETAILS_BP_VAL-EMAIL.
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_MDC_DETAILS_BP_VAL_STR, 
PROCESS_ID TYPE STRING,
PROCESS_STEP_NO TYPE STRING,
SOURCE_SYSTEM TYPE STRING,
SOURCE_ID TYPE STRING,
FILTER_STRING TYPE STRING,
PARTNER TYPE STRING,
TYPE TYPE STRING,
BU_GROUP TYPE STRING,
BU_SORT1 TYPE STRING,
BU_SORT2 TYPE STRING,
TITLE TYPE STRING,
TITLE_TXT TYPE STRING,
XDELE TYPE STRING,
XBLCK TYPE STRING,
AUGRP TYPE STRING,
NAME_ORG1 TYPE STRING,
NAME_ORG2 TYPE STRING,
NAME_ORG3 TYPE STRING,
NAME_ORG4 TYPE STRING,
LEGAL_ENTY TYPE STRING,
LEGAL_ENTY_TXT TYPE STRING,
LOCATION_1 TYPE STRING,
LOCATION_2 TYPE STRING,
LOCATION_3 TYPE STRING,
NAME_LAST TYPE STRING,
NAME_FIRST TYPE STRING,
TITLE_ACA1 TYPE STRING,
TITLE_ACA1_TXT TYPE STRING,
BIRTHDT TYPE STRING,
PARTGRPTYP TYPE STRING,
PARTGRPTYP_TXT TYPE STRING,
NAME_GRP1 TYPE STRING,
NAME_GRP2 TYPE STRING,
CS_NAME1 TYPE STRING,
CS_NAME2 TYPE STRING,
DESCRIPTION TYPE STRING,
IDTYPE TYPE STRING,
IDNUMBER TYPE STRING,
TAXNUM1 TYPE STRING,
TAXNUM2 TYPE STRING,
TAXNUM3 TYPE STRING,
TAXNUM4 TYPE STRING,
TAXNUM5 TYPE STRING,
COUNTRY TYPE STRING,
COUNTRY_TXT TYPE STRING,
CITY1 TYPE STRING,
CITY2 TYPE STRING,
POST_CODE1 TYPE STRING,
STREET TYPE STRING,
HOUSE_NUM1 TYPE STRING,
ADDR_SHORT TYPE STRING,
REGION TYPE STRING,
SOURCE_FILTER TYPE STRING,
PHONE TYPE STRING,
EMAIL TYPE STRING,
BP_EEW_DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MDC_DETAILS_BP_VAL_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_MDC_DETAILS_BP_VAL_STR-PROCESS_ID sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-PROCESS_STEP_NO sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-SOURCE_SYSTEM sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-SOURCE_ID sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-FILTER_STRING sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-PARTNER sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TYPE sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-BU_GROUP sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-BU_SORT1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-BU_SORT2 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TITLE sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TITLE_TXT sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-XDELE sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-XBLCK sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-AUGRP sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-NAME_ORG1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-NAME_ORG2 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-NAME_ORG3 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-NAME_ORG4 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-LEGAL_ENTY sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-LEGAL_ENTY_TXT sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-LOCATION_1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-LOCATION_2 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-LOCATION_3 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-NAME_LAST sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-NAME_FIRST sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TITLE_ACA1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TITLE_ACA1_TXT sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-BIRTHDT sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-PARTGRPTYP sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-PARTGRPTYP_TXT sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-NAME_GRP1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-NAME_GRP2 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-CS_NAME1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-CS_NAME2 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-DESCRIPTION sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-IDTYPE sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-IDNUMBER sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TAXNUM1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TAXNUM2 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TAXNUM3 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TAXNUM4 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-TAXNUM5 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-COUNTRY sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-COUNTRY_TXT sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-CITY1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-CITY2 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-POST_CODE1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-STREET sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-HOUSE_NUM1 sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-ADDR_SHORT sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-REGION sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-SOURCE_FILTER sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-PHONE sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-EMAIL sy-vline 
WA_MDC_DETAILS_BP_VAL_STR-BP_EEW_DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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