ABAP Select data from SAP table FAGL_S_AP_ITEM_UI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_S_AP_ITEM_UI
*  INTO TABLE @DATA(IT_FAGL_S_AP_ITEM_UI2).
*--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_FAGL_S_AP_ITEM_UI INDEX 1 INTO DATA(WA_FAGL_S_AP_ITEM_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGL_S_AP_ITEM_UI>-OBJECT_KEY = 1.
<FAGL_S_AP_ITEM_UI>-NEW_LINE = 1.
<FAGL_S_AP_ITEM_UI>-POS_ID_UI = 1.
<FAGL_S_AP_ITEM_UI>-CURR_NO = 1.
<FAGL_S_AP_ITEM_UI>-ACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_S_AP_ITEM_UI-VENDOR_NO, sy-vline,
  WA_FAGL_S_AP_ITEM_UI-GL_ACCOUNT, sy-vline,
  WA_FAGL_S_AP_ITEM_UI-SHKZG, sy-vline,
  WA_FAGL_S_AP_ITEM_UI-CURR_TYPE, sy-vline,
  WA_FAGL_S_AP_ITEM_UI-AMT_DOCCUR, sy-vline,
  WA_FAGL_S_AP_ITEM_UI-TAX_AMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_S_AP_ITEM_UI 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_FAGL_S_AP_ITEM_UI 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_FAGL_S_AP_ITEM_UI INTO WA_FAGL_S_AP_ITEM_UI.


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

*Conversion exit ALPHA, internal->external for field GL_ACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_AP_ITEM_UI-GL_ACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_AP_ITEM_UI-GL_ACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field AMT_DOCCUR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_AP_ITEM_UI-AMT_DOCCUR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_AP_ITEM_UI-AMT_DOCCUR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAX_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_AP_ITEM_UI-TAX_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_AP_ITEM_UI-TAX_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DISC_BASE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_AP_ITEM_UI-DISC_BASE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_AP_ITEM_UI-DISC_BASE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DISC_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_AP_ITEM_UI-DISC_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_AP_ITEM_UI-DISC_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PO_REF_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_AP_ITEM_UI-PO_REF_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_AP_ITEM_UI-PO_REF_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BRANCH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_AP_ITEM_UI-BRANCH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_AP_ITEM_UI-BRANCH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field PYMT_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_AP_ITEM_UI-PYMT_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_AP_ITEM_UI-PYMT_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALT_PAYEE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_AP_ITEM_UI-ALT_PAYEE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_AP_ITEM_UI-ALT_PAYEE.
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_FAGL_S_AP_ITEM_UI_STR, 
OBJECT_KEY TYPE STRING,
NEW_LINE TYPE STRING,
POS_ID_UI TYPE STRING,
CURR_NO TYPE STRING,
ACCOUNT TYPE STRING,
VENDOR_NO TYPE STRING,
GL_ACCOUNT TYPE STRING,
SHKZG TYPE STRING,
CURR_TYPE TYPE STRING,
AMT_DOCCUR TYPE STRING,
TAX_AMOUNT TYPE STRING,
DISC_BASE TYPE STRING,
DISC_AMT TYPE STRING,
REF_KEY_1 TYPE STRING,
REF_KEY_2 TYPE STRING,
REF_KEY_3 TYPE STRING,
COMP_CODE TYPE STRING,
BUS_AREA TYPE STRING,
PMNTTRMS TYPE STRING,
NETTERMS TYPE STRING,
BLINE_DATE TYPE STRING,
DSCT_DAYS1 TYPE STRING,
DSCT_DAYS2 TYPE STRING,
DSCT_DAYS3 TYPE STRING,
DSCT_PCT1 TYPE STRING,
DSCT_PCT2 TYPE STRING,
PYMT_METH TYPE STRING,
PMTMTHSUPL TYPE STRING,
PMNT_BLOCK TYPE STRING,
SCBANK_IND TYPE STRING,
SUPCOUNTRY TYPE STRING,
SUPCOUNTRY_ISO TYPE STRING,
BLLSRV_IND TYPE STRING,
ALLOC_NMBR TYPE STRING,
ITEM_TEXT TYPE STRING,
PO_SUB_NO TYPE STRING,
PO_CHECKDG TYPE STRING,
PO_REF_NO TYPE STRING,
W_TAX_CODE TYPE STRING,
BUSINESSPLACE TYPE STRING,
SECTIONCODE TYPE STRING,
INSTR1 TYPE STRING,
INSTR2 TYPE STRING,
INSTR3 TYPE STRING,
INSTR4 TYPE STRING,
BRANCH TYPE STRING,
PYMT_CUR TYPE STRING,
PYMT_AMT TYPE STRING,
PYMT_CUR_ISO TYPE STRING,
SP_GL_IND TYPE STRING,
TAX_CODE TYPE STRING,
TAX_DATE TYPE STRING,
TAXJURCODE TYPE STRING,
ALT_PAYEE TYPE STRING,
ALT_PAYEE_BANK TYPE STRING,
PARTNER_BK TYPE STRING,
BANK_ID TYPE STRING,
ZBFIX TYPE STRING,
PAYMT_REF TYPE STRING,
XINVE TYPE STRING,
PENRC TYPE STRING,
ERLKZ TYPE STRING,
CURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_S_AP_ITEM_UI_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_FAGL_S_AP_ITEM_UI_STR-OBJECT_KEY sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-NEW_LINE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-POS_ID_UI sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-CURR_NO sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-ACCOUNT sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-VENDOR_NO sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-GL_ACCOUNT sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-SHKZG sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-CURR_TYPE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-AMT_DOCCUR sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-TAX_AMOUNT sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-DISC_BASE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-DISC_AMT sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-REF_KEY_1 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-REF_KEY_2 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-REF_KEY_3 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-COMP_CODE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-BUS_AREA sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PMNTTRMS sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-NETTERMS sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-BLINE_DATE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-DSCT_DAYS1 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-DSCT_DAYS2 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-DSCT_DAYS3 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-DSCT_PCT1 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-DSCT_PCT2 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PYMT_METH sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PMTMTHSUPL sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PMNT_BLOCK sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-SCBANK_IND sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-SUPCOUNTRY sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-SUPCOUNTRY_ISO sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-BLLSRV_IND sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-ALLOC_NMBR sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-ITEM_TEXT sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PO_SUB_NO sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PO_CHECKDG sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PO_REF_NO sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-W_TAX_CODE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-BUSINESSPLACE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-SECTIONCODE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-INSTR1 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-INSTR2 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-INSTR3 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-INSTR4 sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-BRANCH sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PYMT_CUR sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PYMT_AMT sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PYMT_CUR_ISO sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-SP_GL_IND sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-TAX_CODE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-TAX_DATE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-TAXJURCODE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-ALT_PAYEE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-ALT_PAYEE_BANK sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PARTNER_BK sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-BANK_ID sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-ZBFIX sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PAYMT_REF sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-XINVE sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-PENRC sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-ERLKZ sy-vline 
WA_FAGL_S_AP_ITEM_UI_STR-CURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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