ABAP Select data from SAP table FAC_S_ACCDOC_PYMT_ADV_SUB_ITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAC_S_ACCDOC_PYMT_ADV_SUB_ITM
*  INTO TABLE @DATA(IT_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM2).
*--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_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM INDEX 1 INTO DATA(WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAC_S_ACCDOC_PYMT_ADV_SUB_ITM>-BUKRS = 1.
<FAC_S_ACCDOC_PYMT_ADV_SUB_ITM>-KOART = 1.
<FAC_S_ACCDOC_PYMT_ADV_SUB_ITM>-KONTO = 1.
<FAC_S_ACCDOC_PYMT_ADV_SUB_ITM>-AVSID = 1.
<FAC_S_ACCDOC_PYMT_ADV_SUB_ITM>-AVSPO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-AVSUP, sy-vline,
  WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-RESTN, sy-vline,
  WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-RESTB, sy-vline,
  WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-RSTGR, sy-vline,
  WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-XREF1, sy-vline,
  WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-XREF2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM 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_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM 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_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM INTO WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM.


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

*Conversion exit AC132, internal->external for field RESTN
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-RESTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-RESTN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field RESTB
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-RESTB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM-RESTB.
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_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR, 
BUKRS TYPE STRING,
KOART TYPE STRING,
KONTO TYPE STRING,
AVSID TYPE STRING,
AVSPO TYPE STRING,
AVSUP TYPE STRING,
RESTN TYPE STRING,
RESTB TYPE STRING,
RSTGR TYPE STRING,
XREF1 TYPE STRING,
XREF2 TYPE STRING,
RESTG TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_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_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-BUKRS sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-KOART sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-KONTO sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-AVSID sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-AVSPO sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-AVSUP sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-RESTN sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-RESTB sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-RSTGR sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-XREF1 sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-XREF2 sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-RESTG sy-vline 
WA_FAC_S_ACCDOC_PYMT_ADV_SUB_ITM_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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