ABAP Select data from SAP table FMHIE_BI_C into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMHIE_BI_C
*  INTO TABLE @DATA(IT_FMHIE_BI_C2).
*--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_FMHIE_BI_C INDEX 1 INTO DATA(WA_FMHIE_BI_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMHIE_BI_C>-RCTYPE = 1.
<FMHIE_BI_C>-FM_AREA = 1.
<FMHIE_BI_C>-FISCYEAR = 1.
<FMHIE_BI_C>-BS = 1.
<FMHIE_BI_C>-BUDCAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMHIE_BI_C-NODEID, sy-vline,
  WA_FMHIE_BI_C-FUND, sy-vline,
  WA_FMHIE_BI_C-FUNDSCTR, sy-vline,
  WA_FMHIE_BI_C-CMMTITEM, sy-vline,
  WA_FMHIE_BI_C-FUNCAREA, sy-vline,
  WA_FMHIE_BI_C-MEASURE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMHIE_BI_C 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_FMHIE_BI_C 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_FMHIE_BI_C INTO WA_FMHIE_BI_C.


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

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

*Conversion exit FMCIL, internal->external for field CMMTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMHIE_BI_C-CMMTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMHIE_BI_C-CMMTITEM.
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_FMHIE_BI_C_STR, 
RCTYPE TYPE STRING,
FM_AREA TYPE STRING,
FISCYEAR TYPE STRING,
BS TYPE STRING,
BUDCAT TYPE STRING,
NODEID TYPE STRING,
FUND TYPE STRING,
FUNDSCTR TYPE STRING,
CMMTITEM TYPE STRING,
FUNCAREA TYPE STRING,
MEASURE TYPE STRING,
USERDIM TYPE STRING,
BUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMHIE_BI_C_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_FMHIE_BI_C_STR-RCTYPE sy-vline 
WA_FMHIE_BI_C_STR-FM_AREA sy-vline 
WA_FMHIE_BI_C_STR-FISCYEAR sy-vline 
WA_FMHIE_BI_C_STR-BS sy-vline 
WA_FMHIE_BI_C_STR-BUDCAT sy-vline 
WA_FMHIE_BI_C_STR-NODEID sy-vline 
WA_FMHIE_BI_C_STR-FUND sy-vline 
WA_FMHIE_BI_C_STR-FUNDSCTR sy-vline 
WA_FMHIE_BI_C_STR-CMMTITEM sy-vline 
WA_FMHIE_BI_C_STR-FUNCAREA sy-vline 
WA_FMHIE_BI_C_STR-MEASURE sy-vline 
WA_FMHIE_BI_C_STR-USERDIM sy-vline 
WA_FMHIE_BI_C_STR-BUDGET_PD sy-vline      INTO ld_text SEPARATED BY SPACE.

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