ABAP Select data from SAP table GLO_BUP_CTX_S_TAX_SEGMENT_FI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GLO_BUP_CTX_S_TAX_SEGMENT_FI
*  INTO TABLE @DATA(IT_GLO_BUP_CTX_S_TAX_SEGMENT_FI2).
*--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_GLO_BUP_CTX_S_TAX_SEGMENT_FI INDEX 1 INTO DATA(WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GLO_BUP_CTX_S_TAX_SEGMENT_FI>-MANDT = 1.
<GLO_BUP_CTX_S_TAX_SEGMENT_FI>-BUKRS = 1.
<GLO_BUP_CTX_S_TAX_SEGMENT_FI>-BELNR = 1.
<GLO_BUP_CTX_S_TAX_SEGMENT_FI>-GJAHR = 1.
<GLO_BUP_CTX_S_TAX_SEGMENT_FI>-BUZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-TAX_COUNTRY, sy-vline,
  WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-MWSKZ, sy-vline,
  WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-TXDAT_FROM, sy-vline,
  WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-HKONT, sy-vline,
  WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-TXGRP, sy-vline,
  WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-SHKZG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI 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_GLO_BUP_CTX_S_TAX_SEGMENT_FI 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_GLO_BUP_CTX_S_TAX_SEGMENT_FI INTO WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC152, internal->external for field HWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-HWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-HWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-FWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-FWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-HWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-HWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-FWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field H2STE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-H2STE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-H2STE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field H3STE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-H3STE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-H3STE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field H2BAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-H2BAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-H2BAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field H3BAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-H3BAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-H3BAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field KBETR
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-KBETR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-KBETR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field LWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-LWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-LWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field LWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-LWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI-LWBAS.
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_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
TAX_COUNTRY TYPE STRING,
MWSKZ TYPE STRING,
TXDAT_FROM TYPE STRING,
HKONT TYPE STRING,
TXGRP TYPE STRING,
SHKZG TYPE STRING,
HWBAS TYPE STRING,
FWBAS TYPE STRING,
HWSTE TYPE STRING,
FWSTE TYPE STRING,
KTOSL TYPE STRING,
KNUMH TYPE STRING,
STCEG TYPE STRING,
EGBLD TYPE STRING,
EGLLD TYPE STRING,
TXJCD TYPE STRING,
H2STE TYPE STRING,
H3STE TYPE STRING,
H2BAS TYPE STRING,
H3BAS TYPE STRING,
KSCHL TYPE STRING,
STMDT TYPE STRING,
STMTI TYPE STRING,
MLDDT TYPE STRING,
KBETR TYPE STRING,
STBKZ TYPE STRING,
LSTML TYPE STRING,
LWSTE TYPE STRING,
LWBAS TYPE STRING,
TXDAT TYPE STRING,
BUPLA TYPE STRING,
TXJDP TYPE STRING,
TXJLV TYPE STRING,
TAXPS TYPE STRING,
TXMOD TYPE STRING,
_DATAAGING TYPE STRING,
FIWTIN_CHN TYPE STRING,
FIWTIN_CHD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_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_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-MANDT sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-BUKRS sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-BELNR sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-GJAHR sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-BUZEI sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-TAX_COUNTRY sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-MWSKZ sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-TXDAT_FROM sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-HKONT sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-TXGRP sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-SHKZG sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-HWBAS sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-FWBAS sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-HWSTE sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-FWSTE sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-KTOSL sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-KNUMH sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-STCEG sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-EGBLD sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-EGLLD sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-TXJCD sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-H2STE sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-H3STE sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-H2BAS sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-H3BAS sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-KSCHL sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-STMDT sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-STMTI sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-MLDDT sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-KBETR sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-STBKZ sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-LSTML sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-LWSTE sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-LWBAS sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-TXDAT sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-BUPLA sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-TXJDP sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-TXJLV sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-TAXPS sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-TXMOD sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-_DATAAGING sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-FIWTIN_CHN sy-vline 
WA_GLO_BUP_CTX_S_TAX_SEGMENT_FI_STR-FIWTIN_CHD sy-vline      INTO ld_text SEPARATED BY SPACE.

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