ABAP Select data from SAP table FCOV_MIG_NZD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOV_MIG_NZD
*  INTO TABLE @DATA(IT_FCOV_MIG_NZD2).
*--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_FCOV_MIG_NZD INDEX 1 INTO DATA(WA_FCOV_MIG_NZD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOV_MIG_NZD>-RCLNT = 1.
<FCOV_MIG_NZD>-RLDNR = 1.
<FCOV_MIG_NZD>-OBJNR = 1.
<FCOV_MIG_NZD>-GJAHR = 1.
<FCOV_MIG_NZD>-RACCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOV_MIG_NZD-HRKFT, sy-vline,
  WA_FCOV_MIG_NZD-VRGNG, sy-vline,
  WA_FCOV_MIG_NZD-RASSC, sy-vline,
  WA_FCOV_MIG_NZD-CO_BELKZ, sy-vline,
  WA_FCOV_MIG_NZD-RTCUR, sy-vline,
  WA_FCOV_MIG_NZD-RWCUR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOV_MIG_NZD 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_FCOV_MIG_NZD 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_FCOV_MIG_NZD INTO WA_FCOV_MIG_NZD.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_MIG_NZD-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_MIG_NZD-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit BEKNZ, internal->external for field CO_BELKZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_MIG_NZD-CO_BELKZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_MIG_NZD-CO_BELKZ.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit BEKNZ, internal->external for field BEKNZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_MIG_NZD-BEKNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_MIG_NZD-BEKNZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RGRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_MIG_NZD-RGRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_MIG_NZD-RGRANT_NBR.
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_FCOV_MIG_NZD_STR, 
RCLNT TYPE STRING,
RLDNR TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
RACCT TYPE STRING,
HRKFT TYPE STRING,
VRGNG TYPE STRING,
RASSC TYPE STRING,
CO_BELKZ TYPE STRING,
RTCUR TYPE STRING,
RWCUR TYPE STRING,
RKCUR TYPE STRING,
RVUNIT TYPE STRING,
BELTP TYPE STRING,
RBUKRS TYPE STRING,
RFAREA TYPE STRING,
SEGMENT TYPE STRING,
SBUSA TYPE STRING,
BEKNZ TYPE STRING,
RFUND TYPE STRING,
RGRANT_NBR TYPE STRING,
RBUDGET_PD TYPE STRING,
POPER TYPE STRING,
PAROB TYPE STRING,
USPOB TYPE STRING,
KOKRS TYPE STRING,
PERIV TYPE STRING,
OBJNR2 TYPE STRING,
PAROB2 TYPE STRING,
OBJNR_OP_TO_OR_TMP TYPE STRING,
ACCASTY TYPE STRING,
TSL TYPE STRING,
WSL TYPE STRING,
WSL2 TYPE STRING,
WSL3 TYPE STRING,
HSL TYPE STRING,
KSL TYPE STRING,
OSL TYPE STRING,
VSL TYPE STRING,
BSL TYPE STRING,
CSL TYPE STRING,
DSL TYPE STRING,
ESL TYPE STRING,
FSL TYPE STRING,
GSL TYPE STRING,
KFSL TYPE STRING,
KFSL2 TYPE STRING,
KFSL3 TYPE STRING,
PSL TYPE STRING,
PSL2 TYPE STRING,
PSL3 TYPE STRING,
PFSL TYPE STRING,
PFSL2 TYPE STRING,
PFSL3 TYPE STRING,
CO_OSL TYPE STRING,
VMSL TYPE STRING,
VMFSL TYPE STRING,
MUVFLG TYPE STRING,
MUVFLG_CO TYPE STRING,
MUVFLG_AC TYPE STRING,
TIMESTMP TYPE STRING,
XCOSS TYPE STRING,
XCOSP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOV_MIG_NZD_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_FCOV_MIG_NZD_STR-RCLNT sy-vline 
WA_FCOV_MIG_NZD_STR-RLDNR sy-vline 
WA_FCOV_MIG_NZD_STR-OBJNR sy-vline 
WA_FCOV_MIG_NZD_STR-GJAHR sy-vline 
WA_FCOV_MIG_NZD_STR-RACCT sy-vline 
WA_FCOV_MIG_NZD_STR-HRKFT sy-vline 
WA_FCOV_MIG_NZD_STR-VRGNG sy-vline 
WA_FCOV_MIG_NZD_STR-RASSC sy-vline 
WA_FCOV_MIG_NZD_STR-CO_BELKZ sy-vline 
WA_FCOV_MIG_NZD_STR-RTCUR sy-vline 
WA_FCOV_MIG_NZD_STR-RWCUR sy-vline 
WA_FCOV_MIG_NZD_STR-RKCUR sy-vline 
WA_FCOV_MIG_NZD_STR-RVUNIT sy-vline 
WA_FCOV_MIG_NZD_STR-BELTP sy-vline 
WA_FCOV_MIG_NZD_STR-RBUKRS sy-vline 
WA_FCOV_MIG_NZD_STR-RFAREA sy-vline 
WA_FCOV_MIG_NZD_STR-SEGMENT sy-vline 
WA_FCOV_MIG_NZD_STR-SBUSA sy-vline 
WA_FCOV_MIG_NZD_STR-BEKNZ sy-vline 
WA_FCOV_MIG_NZD_STR-RFUND sy-vline 
WA_FCOV_MIG_NZD_STR-RGRANT_NBR sy-vline 
WA_FCOV_MIG_NZD_STR-RBUDGET_PD sy-vline 
WA_FCOV_MIG_NZD_STR-POPER sy-vline 
WA_FCOV_MIG_NZD_STR-PAROB sy-vline 
WA_FCOV_MIG_NZD_STR-USPOB sy-vline 
WA_FCOV_MIG_NZD_STR-KOKRS sy-vline 
WA_FCOV_MIG_NZD_STR-PERIV sy-vline 
WA_FCOV_MIG_NZD_STR-OBJNR2 sy-vline 
WA_FCOV_MIG_NZD_STR-PAROB2 sy-vline 
WA_FCOV_MIG_NZD_STR-OBJNR_OP_TO_OR_TMP sy-vline 
WA_FCOV_MIG_NZD_STR-ACCASTY sy-vline 
WA_FCOV_MIG_NZD_STR-TSL sy-vline 
WA_FCOV_MIG_NZD_STR-WSL sy-vline 
WA_FCOV_MIG_NZD_STR-WSL2 sy-vline 
WA_FCOV_MIG_NZD_STR-WSL3 sy-vline 
WA_FCOV_MIG_NZD_STR-HSL sy-vline 
WA_FCOV_MIG_NZD_STR-KSL sy-vline 
WA_FCOV_MIG_NZD_STR-OSL sy-vline 
WA_FCOV_MIG_NZD_STR-VSL sy-vline 
WA_FCOV_MIG_NZD_STR-BSL sy-vline 
WA_FCOV_MIG_NZD_STR-CSL sy-vline 
WA_FCOV_MIG_NZD_STR-DSL sy-vline 
WA_FCOV_MIG_NZD_STR-ESL sy-vline 
WA_FCOV_MIG_NZD_STR-FSL sy-vline 
WA_FCOV_MIG_NZD_STR-GSL sy-vline 
WA_FCOV_MIG_NZD_STR-KFSL sy-vline 
WA_FCOV_MIG_NZD_STR-KFSL2 sy-vline 
WA_FCOV_MIG_NZD_STR-KFSL3 sy-vline 
WA_FCOV_MIG_NZD_STR-PSL sy-vline 
WA_FCOV_MIG_NZD_STR-PSL2 sy-vline 
WA_FCOV_MIG_NZD_STR-PSL3 sy-vline 
WA_FCOV_MIG_NZD_STR-PFSL sy-vline 
WA_FCOV_MIG_NZD_STR-PFSL2 sy-vline 
WA_FCOV_MIG_NZD_STR-PFSL3 sy-vline 
WA_FCOV_MIG_NZD_STR-CO_OSL sy-vline 
WA_FCOV_MIG_NZD_STR-VMSL sy-vline 
WA_FCOV_MIG_NZD_STR-VMFSL sy-vline 
WA_FCOV_MIG_NZD_STR-MUVFLG sy-vline 
WA_FCOV_MIG_NZD_STR-MUVFLG_CO sy-vline 
WA_FCOV_MIG_NZD_STR-MUVFLG_AC sy-vline 
WA_FCOV_MIG_NZD_STR-TIMESTMP sy-vline 
WA_FCOV_MIG_NZD_STR-XCOSS sy-vline 
WA_FCOV_MIG_NZD_STR-XCOSP sy-vline      INTO ld_text SEPARATED BY SPACE.

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