ABAP Select data from SAP table FM2BLD_OIA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FM2BLD_OIA 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 FM2BLD_OIA. 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 FM2BLD_OIA 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_FM2BLD_OIA TYPE STANDARD TABLE OF FM2BLD_OIA,
      WA_FM2BLD_OIA TYPE FM2BLD_OIA,
      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: <FM2BLD_OIA> TYPE FM2BLD_OIA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FM2BLD_OIA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FM2BLD_OIA
  INTO TABLE IT_FM2BLD_OIA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FM2BLD_OIA
*  INTO TABLE @DATA(IT_FM2BLD_OIA2).
*--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_FM2BLD_OIA INDEX 1 INTO DATA(WA_FM2BLD_OIA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FM2BLD_OIA ASSIGNING <FM2BLD_OIA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FM2BLD_OIA>-RLDNR = 1.
<FM2BLD_OIA>-RYEAR = 1.
<FM2BLD_OIA>-TO_PERIOD = 1.
<FM2BLD_OIA>-BUKRS = 1.
<FM2BLD_OIA>-FIKRS = 1.

ENDLOOP.

LOOP AT IT_FM2BLD_OIA INTO WA_FM2BLD_OIA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FM2BLD_OIA-FUND, sy-vline,
  WA_FM2BLD_OIA-BUDGET_PD, sy-vline,
  WA_FM2BLD_OIA-FUNDSCTR, sy-vline,
  WA_FM2BLD_OIA-CMMTITEM, sy-vline,
  WA_FM2BLD_OIA-FUNCAREA, sy-vline,
  WA_FM2BLD_OIA-USERDIM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FM2BLD_OIA 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_FM2BLD_OIA 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_FM2BLD_OIA INTO WA_FM2BLD_OIA.


*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_FM2BLD_OIA-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FM2BLD_OIA-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-RYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field CMMTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FM2BLD_OIA-CMMTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-CMMTITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FM2BLD_OIA-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field CEFFYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FM2BLD_OIA-CEFFYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-CEFFYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FM2BLD_OIA-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROFIT_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FM2BLD_OIA-PROFIT_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-PROFIT_CENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FM2BLD_OIA-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GL_ACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FM2BLD_OIA-GL_ACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-GL_ACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GL_ACCOUNT_OFFSET
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FM2BLD_OIA-GL_ACCOUNT_OFFSET
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FM2BLD_OIA-GL_ACCOUNT_OFFSET.
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_FM2BLD_OIA_STR, 
RLDNR TYPE STRING,
RYEAR TYPE STRING,
TO_PERIOD TYPE STRING,
BUKRS TYPE STRING,
FIKRS TYPE STRING,
FUND TYPE STRING,
BUDGET_PD TYPE STRING,
FUNDSCTR TYPE STRING,
CMMTITEM TYPE STRING,
FUNCAREA TYPE STRING,
USERDIM TYPE STRING,
GRANT_NBR TYPE STRING,
MEASURE TYPE STRING,
CEFFYEAR TYPE STRING,
WRTTP TYPE STRING,
BTART TYPE STRING,
HKONT TYPE STRING,
STATS TYPE STRING,
CFLEV TYPE STRING,
OBJNRZ TYPE STRING,
VRGNG TYPE STRING,
DISTKEY TYPE STRING,
SKIP_RECORD TYPE STRING,
BUSINESS_AREA TYPE STRING,
PROFIT_CENTER TYPE STRING,
SEGMENT TYPE STRING,
NUMBER TYPE STRING,
LAST_TARGET TYPE STRING,
MINUS_ONE TYPE STRING,
GL_ACCOUNT TYPE STRING,
GL_ACCOUNT_OFFSET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FM2BLD_OIA_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_FM2BLD_OIA_STR-RLDNR sy-vline 
WA_FM2BLD_OIA_STR-RYEAR sy-vline 
WA_FM2BLD_OIA_STR-TO_PERIOD sy-vline 
WA_FM2BLD_OIA_STR-BUKRS sy-vline 
WA_FM2BLD_OIA_STR-FIKRS sy-vline 
WA_FM2BLD_OIA_STR-FUND sy-vline 
WA_FM2BLD_OIA_STR-BUDGET_PD sy-vline 
WA_FM2BLD_OIA_STR-FUNDSCTR sy-vline 
WA_FM2BLD_OIA_STR-CMMTITEM sy-vline 
WA_FM2BLD_OIA_STR-FUNCAREA sy-vline 
WA_FM2BLD_OIA_STR-USERDIM sy-vline 
WA_FM2BLD_OIA_STR-GRANT_NBR sy-vline 
WA_FM2BLD_OIA_STR-MEASURE sy-vline 
WA_FM2BLD_OIA_STR-CEFFYEAR sy-vline 
WA_FM2BLD_OIA_STR-WRTTP sy-vline 
WA_FM2BLD_OIA_STR-BTART sy-vline 
WA_FM2BLD_OIA_STR-HKONT sy-vline 
WA_FM2BLD_OIA_STR-STATS sy-vline 
WA_FM2BLD_OIA_STR-CFLEV sy-vline 
WA_FM2BLD_OIA_STR-OBJNRZ sy-vline 
WA_FM2BLD_OIA_STR-VRGNG sy-vline 
WA_FM2BLD_OIA_STR-DISTKEY sy-vline 
WA_FM2BLD_OIA_STR-SKIP_RECORD sy-vline 
WA_FM2BLD_OIA_STR-BUSINESS_AREA sy-vline 
WA_FM2BLD_OIA_STR-PROFIT_CENTER sy-vline 
WA_FM2BLD_OIA_STR-SEGMENT sy-vline 
WA_FM2BLD_OIA_STR-NUMBER sy-vline 
WA_FM2BLD_OIA_STR-LAST_TARGET sy-vline 
WA_FM2BLD_OIA_STR-MINUS_ONE sy-vline 
WA_FM2BLD_OIA_STR-GL_ACCOUNT sy-vline 
WA_FM2BLD_OIA_STR-GL_ACCOUNT_OFFSET sy-vline      INTO ld_text SEPARATED BY SPACE.

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