ABAP Select data from SAP table TEPREPAY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TEPREPAY
*  INTO TABLE @DATA(IT_TEPREPAY2).
*--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_TEPREPAY INDEX 1 INTO DATA(WA_TEPREPAY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TEPREPAY>-MANDT = 1.
<TEPREPAY>-SPARTE = 1.
<TEPREPAY>-RR_FROM = 1.
<TEPREPAY>-RR_TO = 1.
<TEPREPAY>-WEEKS_CONS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TEPREPAY-WEEKS_CONS_MAX, sy-vline,
  WA_TEPREPAY-WEEKS_N_CONS, sy-vline,
  WA_TEPREPAY-WEEKS_N_CONS_MAX, sy-vline,
  WA_TEPREPAY-RR_MIN_CONS, sy-vline,
  WA_TEPREPAY-RR_MIN_NON_CONS, sy-vline,
  WA_TEPREPAY-RR_EXEPTION_CONS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TEPREPAY 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_TEPREPAY 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_TEPREPAY INTO WA_TEPREPAY.


*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_TEPREPAY_STR, 
MANDT TYPE STRING,
SPARTE TYPE STRING,
RR_FROM TYPE STRING,
RR_TO TYPE STRING,
WEEKS_CONS TYPE STRING,
WEEKS_CONS_MAX TYPE STRING,
WEEKS_N_CONS TYPE STRING,
WEEKS_N_CONS_MAX TYPE STRING,
RR_MIN_CONS TYPE STRING,
RR_MIN_NON_CONS TYPE STRING,
RR_EXEPTION_CONS TYPE STRING,
RR_PROZ_CONS TYPE STRING,
RR_PROZ_NON_CONS TYPE STRING,
RR_EXEPTION_NON TYPE STRING,
WAERS TYPE STRING,
HVORG TYPE STRING,
TVORG TYPE STRING,
GEGEN_TVORG TYPE STRING,
ROUNDTYP TYPE STRING,
ROUND TYPE STRING,
FRAME_1 TYPE STRING,
AKTIVE_FRAME_1 TYPE STRING,
FRAME_2 TYPE STRING,
AKTIVE_FRAME_2 TYPE STRING,
FRAME_3 TYPE STRING,
AKTIVE_FRAME_3 TYPE STRING,
FRAME_4 TYPE STRING,
AKTIVE_FRAME_4 TYPE STRING,
FRAME_5 TYPE STRING,
AKTIVE_FRAME_5 TYPE STRING,
FRAME_6 TYPE STRING,
AKTIVE_FRAME_6 TYPE STRING,
FRAME_7 TYPE STRING,
AKTIVE_FRAME_7 TYPE STRING,
FRAME_8 TYPE STRING,
AKTIVE_FRAME_8 TYPE STRING,
FRAME_9 TYPE STRING,
AKTIVE_FRAME_9 TYPE STRING,
FRAME1_1 TYPE STRING,
AKTIVE_FRAME1_1 TYPE STRING,
FRAME1_2 TYPE STRING,
AKTIVE_FRAME1_2 TYPE STRING,
FRAME1_3 TYPE STRING,
AKTIVE_FRAME1_3 TYPE STRING,
FRAME1_4 TYPE STRING,
AKTIVE_FRAME1_4 TYPE STRING,
FRAME1_5 TYPE STRING,
AKTIVE_FRAME1_5 TYPE STRING,
FRAME1_6 TYPE STRING,
AKTIVE_FRAME1_6 TYPE STRING,
BLOCKING_AKTIVE TYPE STRING,
CREDIT_AKTIVE TYPE STRING,
NO_IDOC TYPE STRING,
FRAME_11 TYPE STRING,
AKTIVE_FRAME_11 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TEPREPAY_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_TEPREPAY_STR-MANDT sy-vline 
WA_TEPREPAY_STR-SPARTE sy-vline 
WA_TEPREPAY_STR-RR_FROM sy-vline 
WA_TEPREPAY_STR-RR_TO sy-vline 
WA_TEPREPAY_STR-WEEKS_CONS sy-vline 
WA_TEPREPAY_STR-WEEKS_CONS_MAX sy-vline 
WA_TEPREPAY_STR-WEEKS_N_CONS sy-vline 
WA_TEPREPAY_STR-WEEKS_N_CONS_MAX sy-vline 
WA_TEPREPAY_STR-RR_MIN_CONS sy-vline 
WA_TEPREPAY_STR-RR_MIN_NON_CONS sy-vline 
WA_TEPREPAY_STR-RR_EXEPTION_CONS sy-vline 
WA_TEPREPAY_STR-RR_PROZ_CONS sy-vline 
WA_TEPREPAY_STR-RR_PROZ_NON_CONS sy-vline 
WA_TEPREPAY_STR-RR_EXEPTION_NON sy-vline 
WA_TEPREPAY_STR-WAERS sy-vline 
WA_TEPREPAY_STR-HVORG sy-vline 
WA_TEPREPAY_STR-TVORG sy-vline 
WA_TEPREPAY_STR-GEGEN_TVORG sy-vline 
WA_TEPREPAY_STR-ROUNDTYP sy-vline 
WA_TEPREPAY_STR-ROUND sy-vline 
WA_TEPREPAY_STR-FRAME_1 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_1 sy-vline 
WA_TEPREPAY_STR-FRAME_2 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_2 sy-vline 
WA_TEPREPAY_STR-FRAME_3 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_3 sy-vline 
WA_TEPREPAY_STR-FRAME_4 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_4 sy-vline 
WA_TEPREPAY_STR-FRAME_5 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_5 sy-vline 
WA_TEPREPAY_STR-FRAME_6 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_6 sy-vline 
WA_TEPREPAY_STR-FRAME_7 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_7 sy-vline 
WA_TEPREPAY_STR-FRAME_8 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_8 sy-vline 
WA_TEPREPAY_STR-FRAME_9 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_9 sy-vline 
WA_TEPREPAY_STR-FRAME1_1 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME1_1 sy-vline 
WA_TEPREPAY_STR-FRAME1_2 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME1_2 sy-vline 
WA_TEPREPAY_STR-FRAME1_3 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME1_3 sy-vline 
WA_TEPREPAY_STR-FRAME1_4 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME1_4 sy-vline 
WA_TEPREPAY_STR-FRAME1_5 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME1_5 sy-vline 
WA_TEPREPAY_STR-FRAME1_6 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME1_6 sy-vline 
WA_TEPREPAY_STR-BLOCKING_AKTIVE sy-vline 
WA_TEPREPAY_STR-CREDIT_AKTIVE sy-vline 
WA_TEPREPAY_STR-NO_IDOC sy-vline 
WA_TEPREPAY_STR-FRAME_11 sy-vline 
WA_TEPREPAY_STR-AKTIVE_FRAME_11 sy-vline      INTO ld_text SEPARATED BY SPACE.

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