ABAP Select data from SAP table MDG_BS_BP_BP_CENTRL_X into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MDG_BS_BP_BP_CENTRL_X
*  INTO TABLE @DATA(IT_MDG_BS_BP_BP_CENTRL_X2).
*--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_MDG_BS_BP_BP_CENTRL_X INDEX 1 INTO DATA(WA_MDG_BS_BP_BP_CENTRL_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MDG_BS_BP_BP_CENTRL_X>-BP_HEADER = 1.
<MDG_BS_BP_BP_CENTRL_X>-BIRTHDT = 1.
<MDG_BS_BP_BP_CENTRL_X>-BIRTHDTST = 1.
<MDG_BS_BP_BP_CENTRL_X>-BIRTHPL = 1.
<MDG_BS_BP_BP_CENTRL_X>-BPEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MDG_BS_BP_BP_CENTRL_X-BPKIND, sy-vline,
  WA_MDG_BS_BP_BP_CENTRL_X-BU_LANGU, sy-vline,
  WA_MDG_BS_BP_BP_CENTRL_X-BU_SORT1, sy-vline,
  WA_MDG_BS_BP_BP_CENTRL_X-BU_SORT2, sy-vline,
  WA_MDG_BS_BP_BP_CENTRL_X-CNDSC, sy-vline,
  WA_MDG_BS_BP_BP_CENTRL_X-COMM_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MDG_BS_BP_BP_CENTRL_X 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_MDG_BS_BP_BP_CENTRL_X 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_MDG_BS_BP_BP_CENTRL_X INTO WA_MDG_BS_BP_BP_CENTRL_X.


*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_MDG_BS_BP_BP_CENTRL_X_STR, 
BP_HEADER TYPE STRING,
BIRTHDT TYPE STRING,
BIRTHDTST TYPE STRING,
BIRTHPL TYPE STRING,
BPEXT TYPE STRING,
BPKIND TYPE STRING,
BU_LANGU TYPE STRING,
BU_SORT1 TYPE STRING,
BU_SORT2 TYPE STRING,
CNDSC TYPE STRING,
COMM_TYPE TYPE STRING,
CONTACT TYPE STRING,
DEATHDT TYPE STRING,
EMPLO TYPE STRING,
FOUND_DAT TYPE STRING,
GENDER TYPE STRING,
INITIALSB TYPE STRING,
JOBGR TYPE STRING,
LEGAL_ORG TYPE STRING,
LGAL_ENTY TYPE STRING,
LNGU_CORR TYPE STRING,
LOCATION1 TYPE STRING,
LOCATION2 TYPE STRING,
LOCATION3 TYPE STRING,
LQUID_DAT TYPE STRING,
MARST TYPE STRING,
MCNAME1 TYPE STRING,
MCNAME2 TYPE STRING,
NAME_GRP1 TYPE STRING,
NAME_GRP2 TYPE STRING,
NAME_LAST TYPE STRING,
NAME_LST2 TYPE STRING,
NAME_ORG1 TYPE STRING,
NAME_ORG2 TYPE STRING,
NAME_ORG3 TYPE STRING,
NAME_ORG4 TYPE STRING,
NAM_FIRST TYPE STRING,
NAM_LAST2 TYPE STRING,
NANMIDDLE TYPE STRING,
NATIO TYPE STRING,
NATPERS TYPE STRING,
NICK_NAME TYPE STRING,
NME1_TEXT TYPE STRING,
NTRLEASED TYPE STRING,
OBJHASBP TYPE STRING,
PREFIX1_B TYPE STRING,
PREFIX2_B TYPE STRING,
PRINT_MOD TYPE STRING,
PRTGRPTYP TYPE STRING,
REFCENTRL TYPE STRING,
REF_CEN TYPE STRING,
REF_CENTR TYPE STRING,
SOURCE TYPE STRING,
TITLE_BP TYPE STRING,
TITLE_LET TYPE STRING,
TTLE_ACA1 TYPE STRING,
TTLE_ACA2 TYPE STRING,
TTLE_ROYL TYPE STRING,
XBLCK TYPE STRING,
XDELE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MDG_BS_BP_BP_CENTRL_X_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_MDG_BS_BP_BP_CENTRL_X_STR-BP_HEADER sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-BIRTHDT sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-BIRTHDTST sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-BIRTHPL sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-BPEXT sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-BPKIND sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-BU_LANGU sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-BU_SORT1 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-BU_SORT2 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-CNDSC sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-COMM_TYPE sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-CONTACT sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-DEATHDT sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-EMPLO sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-FOUND_DAT sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-GENDER sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-INITIALSB sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-JOBGR sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-LEGAL_ORG sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-LGAL_ENTY sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-LNGU_CORR sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-LOCATION1 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-LOCATION2 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-LOCATION3 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-LQUID_DAT sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-MARST sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-MCNAME1 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-MCNAME2 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAME_GRP1 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAME_GRP2 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAME_LAST sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAME_LST2 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAME_ORG1 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAME_ORG2 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAME_ORG3 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAME_ORG4 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAM_FIRST sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NAM_LAST2 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NANMIDDLE sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NATIO sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NATPERS sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NICK_NAME sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NME1_TEXT sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-NTRLEASED sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-OBJHASBP sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-PREFIX1_B sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-PREFIX2_B sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-PRINT_MOD sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-PRTGRPTYP sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-REFCENTRL sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-REF_CEN sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-REF_CENTR sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-SOURCE sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-TITLE_BP sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-TITLE_LET sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-TTLE_ACA1 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-TTLE_ACA2 sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-TTLE_ROYL sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-XBLCK sy-vline 
WA_MDG_BS_BP_BP_CENTRL_X_STR-XDELE sy-vline      INTO ld_text SEPARATED BY SPACE.

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