ABAP Select data from SAP table TERS_FLOW_PAYMENT_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TERS_FLOW_PAYMENT_DATA
*  INTO TABLE @DATA(IT_TERS_FLOW_PAYMENT_DATA2).
*--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_TERS_FLOW_PAYMENT_DATA INDEX 1 INTO DATA(WA_TERS_FLOW_PAYMENT_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TERS_FLOW_PAYMENT_DATA>-PAYMENT_DATE = 1.
<TERS_FLOW_PAYMENT_DATA>-PAYMENT_AMT = 1.
<TERS_FLOW_PAYMENT_DATA>-PAYMENT_CURR = 1.
<TERS_FLOW_PAYMENT_DATA>-HOUSE_BANK = 1.
<TERS_FLOW_PAYMENT_DATA>-HOUSE_BANK_ACC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TERS_FLOW_PAYMENT_DATA-RPZAHL, sy-vline,
  WA_TERS_FLOW_PAYMENT_DATA-RPBANK, sy-vline,
  WA_TERS_FLOW_PAYMENT_DATA-SZART, sy-vline,
  WA_TERS_FLOW_PAYMENT_DATA-ZLSCH, sy-vline,
  WA_TERS_FLOW_PAYMENT_DATA-UZAWE, sy-vline,
  WA_TERS_FLOW_PAYMENT_DATA-SPAYRQ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TERS_FLOW_PAYMENT_DATA 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_TERS_FLOW_PAYMENT_DATA 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_TERS_FLOW_PAYMENT_DATA INTO WA_TERS_FLOW_PAYMENT_DATA.


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

*Conversion exit ALPHA, internal->external for field RPCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TERS_FLOW_PAYMENT_DATA-RPCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TERS_FLOW_PAYMENT_DATA-RPCODE.
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_TERS_FLOW_PAYMENT_DATA_STR, 
PAYMENT_DATE TYPE STRING,
PAYMENT_AMT TYPE STRING,
PAYMENT_CURR TYPE STRING,
HOUSE_BANK TYPE STRING,
HOUSE_BANK_ACC TYPE STRING,
RPZAHL TYPE STRING,
RPBANK TYPE STRING,
SZART TYPE STRING,
ZLSCH TYPE STRING,
UZAWE TYPE STRING,
SPAYRQ TYPE STRING,
SPRSNG TYPE STRING,
SPRGRD TYPE STRING,
SCSPAY TYPE STRING,
ZWELS TYPE STRING,
RPCODE TYPE STRING,
RP_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TERS_FLOW_PAYMENT_DATA_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_TERS_FLOW_PAYMENT_DATA_STR-PAYMENT_DATE sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-PAYMENT_AMT sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-PAYMENT_CURR sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-HOUSE_BANK sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-HOUSE_BANK_ACC sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-RPZAHL sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-RPBANK sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-SZART sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-ZLSCH sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-UZAWE sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-SPAYRQ sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-SPRSNG sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-SPRGRD sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-SCSPAY sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-ZWELS sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-RPCODE sy-vline 
WA_TERS_FLOW_PAYMENT_DATA_STR-RP_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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