ABAP Select data from SAP table FMCI_BI_A into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCI_BI_A
*  INTO TABLE @DATA(IT_FMCI_BI_A2).
*--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_FMCI_BI_A INDEX 1 INTO DATA(WA_FMCI_BI_A2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCI_BI_A>-RCTYPE = 1.
<FMCI_BI_A>-FIPEX = 1.
<FMCI_BI_A>-FIKRS = 1.
<FMCI_BI_A>-GJAHR = 1.
<FMCI_BI_A>-KATEG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCI_BI_A-FIVOR, sy-vline,
  WA_FMCI_BI_A-POTYP, sy-vline,
  WA_FMCI_BI_A-KRTYP, sy-vline,
  WA_FMCI_BI_A-FPART, sy-vline,
  WA_FMCI_BI_A-FICTR, sy-vline,
  WA_FMCI_BI_A-VPTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCI_BI_A 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_FMCI_BI_A 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_FMCI_BI_A INTO WA_FMCI_BI_A.


*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 FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMCI_BI_A-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCI_BI_A-FIPEX.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FMCI_BI_A-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCI_BI_A-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field PARENT_FIP
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMCI_BI_A-PARENT_FIP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCI_BI_A-PARENT_FIP.
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_FMCI_BI_A_STR, 
RCTYPE TYPE STRING,
FIPEX TYPE STRING,
FIKRS TYPE STRING,
GJAHR TYPE STRING,
KATEG TYPE STRING,
FIVOR TYPE STRING,
POTYP TYPE STRING,
KRTYP TYPE STRING,
FPART TYPE STRING,
FICTR TYPE STRING,
VPTYP TYPE STRING,
SNTYP TYPE STRING,
SNROL TYPE STRING,
KRGRP TYPE STRING,
STATS TYPE STRING,
NCBUD TYPE STRING,
AUGRP TYPE STRING,
STVAR TYPE STRING,
HSART TYPE STRING,
GKFLG TYPE STRING,
DRUCK TYPE STRING,
CFFLG TYPE STRING,
CVFLG TYPE STRING,
BEZIRK TYPE STRING,
BSAMT TYPE STRING,
UBFLG TYPE STRING,
HSFLG TYPE STRING,
NDAKZ TYPE STRING,
AZPKZ TYPE STRING,
BUTYP TYPE STRING,
SPRAS TYPE STRING,
BEZEI TYPE STRING,
TEXT1 TYPE STRING,
TEXT2 TYPE STRING,
TEXT3 TYPE STRING,
PARENT_FIP TYPE STRING,
NEGBUD TYPE STRING,
STR_ID TYPE STRING,
CISUB1 TYPE STRING,
CISUB2 TYPE STRING,
CISUB3 TYPE STRING,
CISUB4 TYPE STRING,
CISUB5 TYPE STRING,
DATAB TYPE STRING,
DATBIS TYPE STRING,
DATE_EXP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCI_BI_A_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_FMCI_BI_A_STR-RCTYPE sy-vline 
WA_FMCI_BI_A_STR-FIPEX sy-vline 
WA_FMCI_BI_A_STR-FIKRS sy-vline 
WA_FMCI_BI_A_STR-GJAHR sy-vline 
WA_FMCI_BI_A_STR-KATEG sy-vline 
WA_FMCI_BI_A_STR-FIVOR sy-vline 
WA_FMCI_BI_A_STR-POTYP sy-vline 
WA_FMCI_BI_A_STR-KRTYP sy-vline 
WA_FMCI_BI_A_STR-FPART sy-vline 
WA_FMCI_BI_A_STR-FICTR sy-vline 
WA_FMCI_BI_A_STR-VPTYP sy-vline 
WA_FMCI_BI_A_STR-SNTYP sy-vline 
WA_FMCI_BI_A_STR-SNROL sy-vline 
WA_FMCI_BI_A_STR-KRGRP sy-vline 
WA_FMCI_BI_A_STR-STATS sy-vline 
WA_FMCI_BI_A_STR-NCBUD sy-vline 
WA_FMCI_BI_A_STR-AUGRP sy-vline 
WA_FMCI_BI_A_STR-STVAR sy-vline 
WA_FMCI_BI_A_STR-HSART sy-vline 
WA_FMCI_BI_A_STR-GKFLG sy-vline 
WA_FMCI_BI_A_STR-DRUCK sy-vline 
WA_FMCI_BI_A_STR-CFFLG sy-vline 
WA_FMCI_BI_A_STR-CVFLG sy-vline 
WA_FMCI_BI_A_STR-BEZIRK sy-vline 
WA_FMCI_BI_A_STR-BSAMT sy-vline 
WA_FMCI_BI_A_STR-UBFLG sy-vline 
WA_FMCI_BI_A_STR-HSFLG sy-vline 
WA_FMCI_BI_A_STR-NDAKZ sy-vline 
WA_FMCI_BI_A_STR-AZPKZ sy-vline 
WA_FMCI_BI_A_STR-BUTYP sy-vline 
WA_FMCI_BI_A_STR-SPRAS sy-vline 
WA_FMCI_BI_A_STR-BEZEI sy-vline 
WA_FMCI_BI_A_STR-TEXT1 sy-vline 
WA_FMCI_BI_A_STR-TEXT2 sy-vline 
WA_FMCI_BI_A_STR-TEXT3 sy-vline 
WA_FMCI_BI_A_STR-PARENT_FIP sy-vline 
WA_FMCI_BI_A_STR-NEGBUD sy-vline 
WA_FMCI_BI_A_STR-STR_ID sy-vline 
WA_FMCI_BI_A_STR-CISUB1 sy-vline 
WA_FMCI_BI_A_STR-CISUB2 sy-vline 
WA_FMCI_BI_A_STR-CISUB3 sy-vline 
WA_FMCI_BI_A_STR-CISUB4 sy-vline 
WA_FMCI_BI_A_STR-CISUB5 sy-vline 
WA_FMCI_BI_A_STR-DATAB sy-vline 
WA_FMCI_BI_A_STR-DATBIS sy-vline 
WA_FMCI_BI_A_STR-DATE_EXP sy-vline      INTO ld_text SEPARATED BY SPACE.

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