ABAP Select data from SAP table DFPS_FUNCUNT_CORE_REQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFPS_FUNCUNT_CORE_REQ
*  INTO TABLE @DATA(IT_DFPS_FUNCUNT_CORE_REQ2).
*--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_DFPS_FUNCUNT_CORE_REQ INDEX 1 INTO DATA(WA_DFPS_FUNCUNT_CORE_REQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFPS_FUNCUNT_CORE_REQ>-FUNCUNT_FORCE_UPD = 1.
<DFPS_FUNCUNT_CORE_REQ>-OKCODE = 1.
<DFPS_FUNCUNT_CORE_REQ>-MANDT = 1.
<DFPS_FUNCUNT_CORE_REQ>-FORCE_ID = 1.
<DFPS_FUNCUNT_CORE_REQ>-FORCE_CNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFPS_FUNCUNT_CORE_REQ-PLVAR, sy-vline,
  WA_DFPS_FUNCUNT_CORE_REQ-OTYPE, sy-vline,
  WA_DFPS_FUNCUNT_CORE_REQ-OBJID, sy-vline,
  WA_DFPS_FUNCUNT_CORE_REQ-PSPNR, sy-vline,
  WA_DFPS_FUNCUNT_CORE_REQ-WERKS_S, sy-vline,
  WA_DFPS_FUNCUNT_CORE_REQ-BERID_S, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFPS_FUNCUNT_CORE_REQ 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_DFPS_FUNCUNT_CORE_REQ 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_DFPS_FUNCUNT_CORE_REQ INTO WA_DFPS_FUNCUNT_CORE_REQ.


*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 ABPSP, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_DFPS_FUNCUNT_CORE_REQ-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFPS_FUNCUNT_CORE_REQ-PSPNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_DFPS_FUNCUNT_CORE_REQ-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFPS_FUNCUNT_CORE_REQ-LANGU.
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_DFPS_FUNCUNT_CORE_REQ_STR, 
FUNCUNT_FORCE_UPD TYPE STRING,
OKCODE TYPE STRING,
MANDT TYPE STRING,
FORCE_ID TYPE STRING,
FORCE_CNT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
PSPNR TYPE STRING,
WERKS_S TYPE STRING,
BERID_S TYPE STRING,
ACNTABLE_S TYPE STRING,
WERKS_P TYPE STRING,
BERID_P TYPE STRING,
ACNTABLE_P TYPE STRING,
MATSTAT TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
LGORTACNT TYPE STRING,
PROVIDER_MAT TYPE STRING,
PROVIDER_PER TYPE STRING,
TSTAT TYPE STRING,
READINESS_MAT TYPE STRING,
READINESS_PERS TYPE STRING,
READINESS_TRAI TYPE STRING,
PRIO TYPE STRING,
TIMSTMP TYPE STRING,
LOGLEV TYPE STRING,
OPLOGSYS TYPE STRING,
WERKS_RE TYPE STRING,
BERID_RE TYPE STRING,
ACNTABLE_RE TYPE STRING,
LGORT_RE TYPE STRING,
CREADAT TYPE STRING,
CREABY TYPE STRING,
CHNGDAT TYPE STRING,
CHNGBY TYPE STRING,
LOGSYS TYPE STRING,
RFE_INDICATOR TYPE STRING,
DFS_POS_TYPE TYPE STRING,
LGORT_P TYPE STRING,
LGORTACNT_P_UPD TYPE STRING,
OKCODE TYPE STRING,
LGORT_T TYPE STRING,
LGORTACNT_RE_UPD TYPE STRING,
OKCODE TYPE STRING,
LGORT_T TYPE STRING,
LGORTACNT_S_UPD TYPE STRING,
OKCODE TYPE STRING,
LGORT_T TYPE STRING,
FUNCUNT_HCM_UPD TYPE STRING,
OKCODE TYPE STRING,
MANDT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
ISTAT TYPE STRING,
PRIOX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
LANGU TYPE STRING,
DUMMY TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
REASN TYPE STRING,
HISTO TYPE STRING,
ITXNR TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
GDATE TYPE STRING,
P1950_UPD_T TYPE STRING,
P1951_UPD_T TYPE STRING,
P1952_UPD_T TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFPS_FUNCUNT_CORE_REQ_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_DFPS_FUNCUNT_CORE_REQ_STR-FUNCUNT_FORCE_UPD sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OKCODE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-MANDT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-FORCE_ID sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-FORCE_CNT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-PLVAR sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OTYPE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OBJID sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-PSPNR sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-WERKS_S sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-BERID_S sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-ACNTABLE_S sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-WERKS_P sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-BERID_P sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-ACNTABLE_P sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-MATSTAT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-EKORG sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-EKGRP sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LGORTACNT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-PROVIDER_MAT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-PROVIDER_PER sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-TSTAT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-READINESS_MAT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-READINESS_PERS sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-READINESS_TRAI sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-PRIO sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-TIMSTMP sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LOGLEV sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OPLOGSYS sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-WERKS_RE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-BERID_RE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-ACNTABLE_RE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LGORT_RE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-CREADAT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-CREABY sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-CHNGDAT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-CHNGBY sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LOGSYS sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-RFE_INDICATOR sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-DFS_POS_TYPE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LGORT_P sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LGORTACNT_P_UPD sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OKCODE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LGORT_T sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LGORTACNT_RE_UPD sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OKCODE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LGORT_T sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LGORTACNT_S_UPD sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OKCODE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LGORT_T sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-FUNCUNT_HCM_UPD sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OKCODE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-MANDT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-PLVAR sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OTYPE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-OBJID sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-INFTY sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-SUBTY sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-ISTAT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-PRIOX sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-BEGDA sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-ENDDA sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-LANGU sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-DUMMY sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-SEQNR sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-AEDTM sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-UNAME sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-REASN sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-HISTO sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-ITXNR sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-SHORT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-STEXT sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-GDATE sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-P1950_UPD_T sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-P1951_UPD_T sy-vline 
WA_DFPS_FUNCUNT_CORE_REQ_STR-P1952_UPD_T sy-vline      INTO ld_text SEPARATED BY SPACE.

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