ABAP Select data from SAP table /SAPAPO/SRVFCSI into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/SRVFCSI 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 /SAPAPO/SRVFCSI. 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 /SAPAPO/SRVFCSI 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_/SAPAPO/SRVFCSI TYPE STANDARD TABLE OF /SAPAPO/SRVFCSI,
      WA_/SAPAPO/SRVFCSI TYPE /SAPAPO/SRVFCSI,
      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: </SAPAPO/SRVFCSI> TYPE /SAPAPO/SRVFCSI.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/SRVFCSI
  INTO TABLE IT_/SAPAPO/SRVFCSI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/SRVFCSI
*  INTO TABLE @DATA(IT_/SAPAPO/SRVFCSI2).
*--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_/SAPAPO/SRVFCSI INDEX 1 INTO DATA(WA_/SAPAPO/SRVFCSI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/SRVFCSI ASSIGNING </SAPAPO/SRVFCSI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/SRVFCSI>-MANDT = 1.
</SAPAPO/SRVFCSI>-DOC_NUMBER = 1.
</SAPAPO/SRVFCSI>-LOGSRCSYS = 1.
</SAPAPO/SRVFCSI>-ITM_NUMBER = 1.
</SAPAPO/SRVFCSI>-ATPCAT = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/SRVFCSI INTO WA_/SAPAPO/SRVFCSI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/SRVFCSI-DOC_TYPE, sy-vline,
  WA_/SAPAPO/SRVFCSI-ORD_TYPE, sy-vline,
  WA_/SAPAPO/SRVFCSI-SOLD_TO, sy-vline,
  WA_/SAPAPO/SRVFCSI-ITEM_CATEG, sy-vline,
  WA_/SAPAPO/SRVFCSI-PRODUCT, sy-vline,
  WA_/SAPAPO/SRVFCSI-LOCATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/SRVFCSI 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_/SAPAPO/SRVFCSI 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_/SAPAPO/SRVFCSI INTO WA_/SAPAPO/SRVFCSI.


*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 LOGSRCSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SRVFCSI-LOGSRCSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SRVFCSI-LOGSRCSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SRVFCSI-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SRVFCSI-PRODUCT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field PUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SRVFCSI-PUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SRVFCSI-PUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field DATI_REC_CHNG
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SRVFCSI-DATI_REC_CHNG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SRVFCSI-DATI_REC_CHNG.
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_/SAPAPO/SRVFCSI_STR, 
MANDT TYPE STRING,
DOC_NUMBER TYPE STRING,
LOGSRCSYS TYPE STRING,
ITM_NUMBER TYPE STRING,
ATPCAT TYPE STRING,
DOC_TYPE TYPE STRING,
ORD_TYPE TYPE STRING,
SOLD_TO TYPE STRING,
ITEM_CATEG TYPE STRING,
PRODUCT TYPE STRING,
LOCATION TYPE STRING,
SHIP_TO TYPE STRING,
LOGSYS TYPE STRING,
LOCTPYE TYPE STRING,
OVERRIDE_LOCATIO TYPE STRING,
OVERRIDE_LOCTYPE TYPE STRING,
TPDS_FLAG TYPE STRING,
ITM_TYPE_USAGE TYPE STRING,
ITM_ANCHOR TYPE STRING,
GIRELEVANT TYPE STRING,
FACELOC TYPE STRING,
FLOCTYPE TYPE STRING,
STOCKLOC TYPE STRING,
SLOCTYPE TYPE STRING,
CANCRES TYPE STRING,
RJCTRES TYPE STRING,
NOTNORM TYPE STRING,
RESTSEARCH TYPE STRING,
UE_POS TYPE STRING,
NUMCONV TYPE STRING,
DENOMCONV TYPE STRING,
PUOM TYPE STRING,
PNUMCONV TYPE STRING,
PDENOMCONV TYPE STRING,
ATPFIELD_POSGUID TYPE STRING,
ATPFIELD_TRGUID TYPE STRING,
ATPFIELD_REQRULE TYPE STRING,
DATI_REC_CHNG TYPE STRING,
FLAG_REC_DELE TYPE STRING,
DISP_REC_USER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/SRVFCSI_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_/SAPAPO/SRVFCSI_STR-MANDT sy-vline 
WA_/SAPAPO/SRVFCSI_STR-DOC_NUMBER sy-vline 
WA_/SAPAPO/SRVFCSI_STR-LOGSRCSYS sy-vline 
WA_/SAPAPO/SRVFCSI_STR-ITM_NUMBER sy-vline 
WA_/SAPAPO/SRVFCSI_STR-ATPCAT sy-vline 
WA_/SAPAPO/SRVFCSI_STR-DOC_TYPE sy-vline 
WA_/SAPAPO/SRVFCSI_STR-ORD_TYPE sy-vline 
WA_/SAPAPO/SRVFCSI_STR-SOLD_TO sy-vline 
WA_/SAPAPO/SRVFCSI_STR-ITEM_CATEG sy-vline 
WA_/SAPAPO/SRVFCSI_STR-PRODUCT sy-vline 
WA_/SAPAPO/SRVFCSI_STR-LOCATION sy-vline 
WA_/SAPAPO/SRVFCSI_STR-SHIP_TO sy-vline 
WA_/SAPAPO/SRVFCSI_STR-LOGSYS sy-vline 
WA_/SAPAPO/SRVFCSI_STR-LOCTPYE sy-vline 
WA_/SAPAPO/SRVFCSI_STR-OVERRIDE_LOCATIO sy-vline 
WA_/SAPAPO/SRVFCSI_STR-OVERRIDE_LOCTYPE sy-vline 
WA_/SAPAPO/SRVFCSI_STR-TPDS_FLAG sy-vline 
WA_/SAPAPO/SRVFCSI_STR-ITM_TYPE_USAGE sy-vline 
WA_/SAPAPO/SRVFCSI_STR-ITM_ANCHOR sy-vline 
WA_/SAPAPO/SRVFCSI_STR-GIRELEVANT sy-vline 
WA_/SAPAPO/SRVFCSI_STR-FACELOC sy-vline 
WA_/SAPAPO/SRVFCSI_STR-FLOCTYPE sy-vline 
WA_/SAPAPO/SRVFCSI_STR-STOCKLOC sy-vline 
WA_/SAPAPO/SRVFCSI_STR-SLOCTYPE sy-vline 
WA_/SAPAPO/SRVFCSI_STR-CANCRES sy-vline 
WA_/SAPAPO/SRVFCSI_STR-RJCTRES sy-vline 
WA_/SAPAPO/SRVFCSI_STR-NOTNORM sy-vline 
WA_/SAPAPO/SRVFCSI_STR-RESTSEARCH sy-vline 
WA_/SAPAPO/SRVFCSI_STR-UE_POS sy-vline 
WA_/SAPAPO/SRVFCSI_STR-NUMCONV sy-vline 
WA_/SAPAPO/SRVFCSI_STR-DENOMCONV sy-vline 
WA_/SAPAPO/SRVFCSI_STR-PUOM sy-vline 
WA_/SAPAPO/SRVFCSI_STR-PNUMCONV sy-vline 
WA_/SAPAPO/SRVFCSI_STR-PDENOMCONV sy-vline 
WA_/SAPAPO/SRVFCSI_STR-ATPFIELD_POSGUID sy-vline 
WA_/SAPAPO/SRVFCSI_STR-ATPFIELD_TRGUID sy-vline 
WA_/SAPAPO/SRVFCSI_STR-ATPFIELD_REQRULE sy-vline 
WA_/SAPAPO/SRVFCSI_STR-DATI_REC_CHNG sy-vline 
WA_/SAPAPO/SRVFCSI_STR-FLAG_REC_DELE sy-vline 
WA_/SAPAPO/SRVFCSI_STR-DISP_REC_USER sy-vline      INTO ld_text SEPARATED BY SPACE.

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