ABAP Select data from SAP table T5GPBS26 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T5GPBS26 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 T5GPBS26. 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 T5GPBS26 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_T5GPBS26 TYPE STANDARD TABLE OF T5GPBS26,
      WA_T5GPBS26 TYPE T5GPBS26,
      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: <T5GPBS26> TYPE T5GPBS26.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T5GPBS26.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T5GPBS26
  INTO TABLE IT_T5GPBS26.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T5GPBS26
*  INTO TABLE @DATA(IT_T5GPBS262).
*--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_T5GPBS26 INDEX 1 INTO DATA(WA_T5GPBS262).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T5GPBS26 ASSIGNING <T5GPBS26>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T5GPBS26>-MANDT = 1.
<T5GPBS26>-MOLGA = 1.
<T5GPBS26>-COVPA = 1.
<T5GPBS26>-CMOAB = 1.
<T5GPBS26>-CABST = 1.

ENDLOOP.

LOOP AT IT_T5GPBS26 INTO WA_T5GPBS26.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T5GPBS26-ENDDA, sy-vline,
  WA_T5GPBS26-BEGDA, sy-vline,
  WA_T5GPBS26-CNPZT, sy-vline,
  WA_T5GPBS26-CNPMF, sy-vline,
  WA_T5GPBS26-CNPMS, sy-vline,
  WA_T5GPBS26-CNPWS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T5GPBS26 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_T5GPBS26 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_T5GPBS26 INTO WA_T5GPBS26.


*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_T5GPBS26_STR, 
MANDT TYPE STRING,
MOLGA TYPE STRING,
COVPA TYPE STRING,
CMOAB TYPE STRING,
CABST TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
CNPZT TYPE STRING,
CNPMF TYPE STRING,
CNPMS TYPE STRING,
CNPWS TYPE STRING,
CNPEC TYPE STRING,
CNSMP TYPE STRING,
CNPF1 TYPE STRING,
CNPT1 TYPE STRING,
CNPF2 TYPE STRING,
CNPT2 TYPE STRING,
CNPF3 TYPE STRING,
CNPT3 TYPE STRING,
CNPF4 TYPE STRING,
CNPT4 TYPE STRING,
CNPF5 TYPE STRING,
CNPT5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T5GPBS26_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_T5GPBS26_STR-MANDT sy-vline 
WA_T5GPBS26_STR-MOLGA sy-vline 
WA_T5GPBS26_STR-COVPA sy-vline 
WA_T5GPBS26_STR-CMOAB sy-vline 
WA_T5GPBS26_STR-CABST sy-vline 
WA_T5GPBS26_STR-ENDDA sy-vline 
WA_T5GPBS26_STR-BEGDA sy-vline 
WA_T5GPBS26_STR-CNPZT sy-vline 
WA_T5GPBS26_STR-CNPMF sy-vline 
WA_T5GPBS26_STR-CNPMS sy-vline 
WA_T5GPBS26_STR-CNPWS sy-vline 
WA_T5GPBS26_STR-CNPEC sy-vline 
WA_T5GPBS26_STR-CNSMP sy-vline 
WA_T5GPBS26_STR-CNPF1 sy-vline 
WA_T5GPBS26_STR-CNPT1 sy-vline 
WA_T5GPBS26_STR-CNPF2 sy-vline 
WA_T5GPBS26_STR-CNPT2 sy-vline 
WA_T5GPBS26_STR-CNPF3 sy-vline 
WA_T5GPBS26_STR-CNPT3 sy-vline 
WA_T5GPBS26_STR-CNPF4 sy-vline 
WA_T5GPBS26_STR-CNPT4 sy-vline 
WA_T5GPBS26_STR-CNPF5 sy-vline 
WA_T5GPBS26_STR-CNPT5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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