ABAP Select data from SAP table BUS000_DAT_ISO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BUS000_DAT_ISO 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 BUS000_DAT_ISO. 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 BUS000_DAT_ISO 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_BUS000_DAT_ISO TYPE STANDARD TABLE OF BUS000_DAT_ISO,
      WA_BUS000_DAT_ISO TYPE BUS000_DAT_ISO,
      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: <BUS000_DAT_ISO> TYPE BUS000_DAT_ISO.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BUS000_DAT_ISO.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BUS000_DAT_ISO
  INTO TABLE IT_BUS000_DAT_ISO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUS000_DAT_ISO
*  INTO TABLE @DATA(IT_BUS000_DAT_ISO2).
*--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_BUS000_DAT_ISO INDEX 1 INTO DATA(WA_BUS000_DAT_ISO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BUS000_DAT_ISO ASSIGNING <BUS000_DAT_ISO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUS000_DAT_ISO>-TYPE = 1.
<BUS000_DAT_ISO>-BPKIND = 1.
<BUS000_DAT_ISO>-BU_GROUP = 1.
<BUS000_DAT_ISO>-BPEXT = 1.
<BUS000_DAT_ISO>-BU_SORT1 = 1.

ENDLOOP.

LOOP AT IT_BUS000_DAT_ISO INTO WA_BUS000_DAT_ISO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUS000_DAT_ISO-BU_SORT2, sy-vline,
  WA_BUS000_DAT_ISO-SOURCE, sy-vline,
  WA_BUS000_DAT_ISO-TITLE, sy-vline,
  WA_BUS000_DAT_ISO-XDELE, sy-vline,
  WA_BUS000_DAT_ISO-XBLCK, sy-vline,
  WA_BUS000_DAT_ISO-AUGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUS000_DAT_ISO 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_BUS000_DAT_ISO 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_BUS000_DAT_ISO INTO WA_BUS000_DAT_ISO.


*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 BU_LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BUS000_DAT_ISO-BU_LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BUS000_DAT_ISO-BU_LOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PERSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BUS000_DAT_ISO-PERSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BUS000_DAT_ISO-PERSNUMBER.
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_BUS000_DAT_ISO_STR, 
TYPE TYPE STRING,
BPKIND TYPE STRING,
BU_GROUP TYPE STRING,
BPEXT TYPE STRING,
BU_SORT1 TYPE STRING,
BU_SORT2 TYPE STRING,
SOURCE TYPE STRING,
TITLE TYPE STRING,
XDELE TYPE STRING,
XBLCK TYPE STRING,
AUGRP TYPE STRING,
TITLE_LET TYPE STRING,
BU_LANGU_ISO TYPE STRING,
BU_LOGSYS TYPE STRING,
NAME_ORG1 TYPE STRING,
NAME_ORG2 TYPE STRING,
NAME_ORG3 TYPE STRING,
NAME_ORG4 TYPE STRING,
LEGAL_ENTY TYPE STRING,
IND_SECTOR TYPE STRING,
LEGAL_ORG TYPE STRING,
FOUND_DAT TYPE STRING,
LIQUID_DAT TYPE STRING,
LOCATION_1 TYPE STRING,
LOCATION_2 TYPE STRING,
LOCATION_3 TYPE STRING,
NAME_LAST TYPE STRING,
NAME_FIRST TYPE STRING,
NAME_LST2 TYPE STRING,
NAME_LAST2 TYPE STRING,
NAMEMIDDLE TYPE STRING,
TITLE_ACA1 TYPE STRING,
TITLE_ACA2 TYPE STRING,
TITLE_ROYL TYPE STRING,
PREFIX1 TYPE STRING,
PREFIX2 TYPE STRING,
NAME1_TEXT TYPE STRING,
NICKNAME TYPE STRING,
INITIALS TYPE STRING,
NAMEFORMAT TYPE STRING,
NAMCOUNTRY_ISO TYPE STRING,
LANGU_CORR_ISO TYPE STRING,
XSEXM TYPE STRING,
XSEXF TYPE STRING,
BIRTHPL TYPE STRING,
MARST TYPE STRING,
EMPLO TYPE STRING,
JOBGR TYPE STRING,
NATIO_ISO TYPE STRING,
CNTAX_ISO TYPE STRING,
CNDSC_ISO TYPE STRING,
PERSNUMBER TYPE STRING,
XSEXU TYPE STRING,
XUBNAME TYPE STRING,
BIRTHDT TYPE STRING,
DEATHDT TYPE STRING,
PERNO TYPE STRING,
CHILDREN TYPE STRING,
MEM_HOUSE TYPE STRING,
PARTGRPTYP TYPE STRING,
NAME_GRP1 TYPE STRING,
NAME_GRP2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUS000_DAT_ISO_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_BUS000_DAT_ISO_STR-TYPE sy-vline 
WA_BUS000_DAT_ISO_STR-BPKIND sy-vline 
WA_BUS000_DAT_ISO_STR-BU_GROUP sy-vline 
WA_BUS000_DAT_ISO_STR-BPEXT sy-vline 
WA_BUS000_DAT_ISO_STR-BU_SORT1 sy-vline 
WA_BUS000_DAT_ISO_STR-BU_SORT2 sy-vline 
WA_BUS000_DAT_ISO_STR-SOURCE sy-vline 
WA_BUS000_DAT_ISO_STR-TITLE sy-vline 
WA_BUS000_DAT_ISO_STR-XDELE sy-vline 
WA_BUS000_DAT_ISO_STR-XBLCK sy-vline 
WA_BUS000_DAT_ISO_STR-AUGRP sy-vline 
WA_BUS000_DAT_ISO_STR-TITLE_LET sy-vline 
WA_BUS000_DAT_ISO_STR-BU_LANGU_ISO sy-vline 
WA_BUS000_DAT_ISO_STR-BU_LOGSYS sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_ORG1 sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_ORG2 sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_ORG3 sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_ORG4 sy-vline 
WA_BUS000_DAT_ISO_STR-LEGAL_ENTY sy-vline 
WA_BUS000_DAT_ISO_STR-IND_SECTOR sy-vline 
WA_BUS000_DAT_ISO_STR-LEGAL_ORG sy-vline 
WA_BUS000_DAT_ISO_STR-FOUND_DAT sy-vline 
WA_BUS000_DAT_ISO_STR-LIQUID_DAT sy-vline 
WA_BUS000_DAT_ISO_STR-LOCATION_1 sy-vline 
WA_BUS000_DAT_ISO_STR-LOCATION_2 sy-vline 
WA_BUS000_DAT_ISO_STR-LOCATION_3 sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_LAST sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_FIRST sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_LST2 sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_LAST2 sy-vline 
WA_BUS000_DAT_ISO_STR-NAMEMIDDLE sy-vline 
WA_BUS000_DAT_ISO_STR-TITLE_ACA1 sy-vline 
WA_BUS000_DAT_ISO_STR-TITLE_ACA2 sy-vline 
WA_BUS000_DAT_ISO_STR-TITLE_ROYL sy-vline 
WA_BUS000_DAT_ISO_STR-PREFIX1 sy-vline 
WA_BUS000_DAT_ISO_STR-PREFIX2 sy-vline 
WA_BUS000_DAT_ISO_STR-NAME1_TEXT sy-vline 
WA_BUS000_DAT_ISO_STR-NICKNAME sy-vline 
WA_BUS000_DAT_ISO_STR-INITIALS sy-vline 
WA_BUS000_DAT_ISO_STR-NAMEFORMAT sy-vline 
WA_BUS000_DAT_ISO_STR-NAMCOUNTRY_ISO sy-vline 
WA_BUS000_DAT_ISO_STR-LANGU_CORR_ISO sy-vline 
WA_BUS000_DAT_ISO_STR-XSEXM sy-vline 
WA_BUS000_DAT_ISO_STR-XSEXF sy-vline 
WA_BUS000_DAT_ISO_STR-BIRTHPL sy-vline 
WA_BUS000_DAT_ISO_STR-MARST sy-vline 
WA_BUS000_DAT_ISO_STR-EMPLO sy-vline 
WA_BUS000_DAT_ISO_STR-JOBGR sy-vline 
WA_BUS000_DAT_ISO_STR-NATIO_ISO sy-vline 
WA_BUS000_DAT_ISO_STR-CNTAX_ISO sy-vline 
WA_BUS000_DAT_ISO_STR-CNDSC_ISO sy-vline 
WA_BUS000_DAT_ISO_STR-PERSNUMBER sy-vline 
WA_BUS000_DAT_ISO_STR-XSEXU sy-vline 
WA_BUS000_DAT_ISO_STR-XUBNAME sy-vline 
WA_BUS000_DAT_ISO_STR-BIRTHDT sy-vline 
WA_BUS000_DAT_ISO_STR-DEATHDT sy-vline 
WA_BUS000_DAT_ISO_STR-PERNO sy-vline 
WA_BUS000_DAT_ISO_STR-CHILDREN sy-vline 
WA_BUS000_DAT_ISO_STR-MEM_HOUSE sy-vline 
WA_BUS000_DAT_ISO_STR-PARTGRPTYP sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_GRP1 sy-vline 
WA_BUS000_DAT_ISO_STR-NAME_GRP2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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