ABAP Select data from SAP table TRGS_AMORT_PROC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TRGS_AMORT_PROC
*  INTO TABLE @DATA(IT_TRGS_AMORT_PROC2).
*--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_TRGS_AMORT_PROC INDEX 1 INTO DATA(WA_TRGS_AMORT_PROC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TRGS_AMORT_PROC>-AMORT_PROC = 1.
<TRGS_AMORT_PROC>-AMORT_PROC_TEXT = 1.
<TRGS_AMORT_PROC>-RATE_CATEGORY = 1.
<TRGS_AMORT_PROC>-COMPUTATION_CAT = 1.
<TRGS_AMORT_PROC>-BRUTTO_NETTO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TRGS_AMORT_PROC-RATE_CALC_METHOD, sy-vline,
  WA_TRGS_AMORT_PROC-PURCHASE_GAAP, sy-vline,
  WA_TRGS_AMORT_PROC-RESOLVE_TI, sy-vline,
  WA_TRGS_AMORT_PROC-DISSOLVE, sy-vline,
  WA_TRGS_AMORT_PROC-AMORT_END, sy-vline,
  WA_TRGS_AMORT_PROC-ACCRUE_COMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TRGS_AMORT_PROC 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_TRGS_AMORT_PROC 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_TRGS_AMORT_PROC INTO WA_TRGS_AMORT_PROC.


*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_TRGS_AMORT_PROC_STR, 
AMORT_PROC TYPE STRING,
AMORT_PROC_TEXT TYPE STRING,
RATE_CATEGORY TYPE STRING,
COMPUTATION_CAT TYPE STRING,
BRUTTO_NETTO TYPE STRING,
RATE_CALC_METHOD TYPE STRING,
PURCHASE_GAAP TYPE STRING,
RESOLVE_TI TYPE STRING,
DISSOLVE TYPE STRING,
AMORT_END TYPE STRING,
ACCRUE_COMP TYPE STRING,
INCL_INTEREST TYPE STRING,
EFF_INT_SAC TYPE STRING,
SULTVON TYPE STRING,
SULTBIS TYPE STRING,
AMORT_CUT TYPE STRING,
ALLOW_CALC_AMORT TYPE STRING,
VAD_AMORT TYPE STRING,
FLG_AMORT_END_EX TYPE STRING,
FLG_EXCL_TB TYPE STRING,
ACCRUAL_FUNCTION TYPE STRING,
VAL_AMOUNT_BASE TYPE STRING,
FLG_ADJ_TRANSL4A TYPE STRING,
INCL_COMP_INT TYPE STRING,
AMORT_LOG_SAVE TYPE STRING,
CONV_RATE_AMORT TYPE STRING,
CUT_AMORT_CAP_INT TYPE STRING,
AMORT_KEYDATE_INCL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TRGS_AMORT_PROC_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_TRGS_AMORT_PROC_STR-AMORT_PROC sy-vline 
WA_TRGS_AMORT_PROC_STR-AMORT_PROC_TEXT sy-vline 
WA_TRGS_AMORT_PROC_STR-RATE_CATEGORY sy-vline 
WA_TRGS_AMORT_PROC_STR-COMPUTATION_CAT sy-vline 
WA_TRGS_AMORT_PROC_STR-BRUTTO_NETTO sy-vline 
WA_TRGS_AMORT_PROC_STR-RATE_CALC_METHOD sy-vline 
WA_TRGS_AMORT_PROC_STR-PURCHASE_GAAP sy-vline 
WA_TRGS_AMORT_PROC_STR-RESOLVE_TI sy-vline 
WA_TRGS_AMORT_PROC_STR-DISSOLVE sy-vline 
WA_TRGS_AMORT_PROC_STR-AMORT_END sy-vline 
WA_TRGS_AMORT_PROC_STR-ACCRUE_COMP sy-vline 
WA_TRGS_AMORT_PROC_STR-INCL_INTEREST sy-vline 
WA_TRGS_AMORT_PROC_STR-EFF_INT_SAC sy-vline 
WA_TRGS_AMORT_PROC_STR-SULTVON sy-vline 
WA_TRGS_AMORT_PROC_STR-SULTBIS sy-vline 
WA_TRGS_AMORT_PROC_STR-AMORT_CUT sy-vline 
WA_TRGS_AMORT_PROC_STR-ALLOW_CALC_AMORT sy-vline 
WA_TRGS_AMORT_PROC_STR-VAD_AMORT sy-vline 
WA_TRGS_AMORT_PROC_STR-FLG_AMORT_END_EX sy-vline 
WA_TRGS_AMORT_PROC_STR-FLG_EXCL_TB sy-vline 
WA_TRGS_AMORT_PROC_STR-ACCRUAL_FUNCTION sy-vline 
WA_TRGS_AMORT_PROC_STR-VAL_AMOUNT_BASE sy-vline 
WA_TRGS_AMORT_PROC_STR-FLG_ADJ_TRANSL4A sy-vline 
WA_TRGS_AMORT_PROC_STR-INCL_COMP_INT sy-vline 
WA_TRGS_AMORT_PROC_STR-AMORT_LOG_SAVE sy-vline 
WA_TRGS_AMORT_PROC_STR-CONV_RATE_AMORT sy-vline 
WA_TRGS_AMORT_PROC_STR-CUT_AMORT_CAP_INT sy-vline 
WA_TRGS_AMORT_PROC_STR-AMORT_KEYDATE_INCL sy-vline      INTO ld_text SEPARATED BY SPACE.

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