ABAP Select data from SAP table BAPIACAM09 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIACAM09 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 BAPIACAM09. 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 BAPIACAM09 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_BAPIACAM09 TYPE STANDARD TABLE OF BAPIACAM09,
      WA_BAPIACAM09 TYPE BAPIACAM09,
      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: <BAPIACAM09> TYPE BAPIACAM09.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIACAM09.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIACAM09
  INTO TABLE IT_BAPIACAM09.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIACAM09
*  INTO TABLE @DATA(IT_BAPIACAM092).
*--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_BAPIACAM09 INDEX 1 INTO DATA(WA_BAPIACAM092).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIACAM09 ASSIGNING <BAPIACAM09>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIACAM09>-ITEMNO_ACC = 1.
<BAPIACAM09>-COMP_CODE = 1.
<BAPIACAM09>-ASSETMAINNO = 1.
<BAPIACAM09>-ASSETSUBNO = 1.
<BAPIACAM09>-FISC_YEAR = 1.

ENDLOOP.

LOOP AT IT_BAPIACAM09 INTO WA_BAPIACAM09.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIACAM09-CURRENT_NO, sy-vline,
  WA_BAPIACAM09-GLOB_AREA, sy-vline,
  WA_BAPIACAM09-VALUEDATE, sy-vline,
  WA_BAPIACAM09-ASSETTRTYP, sy-vline,
  WA_BAPIACAM09-AMOUNT, sy-vline,
  WA_BAPIACAM09-PROPVAL_IND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIACAM09 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_BAPIACAM09 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_BAPIACAM09 INTO WA_BAPIACAM09.


*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 ASSETMAINNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACAM09-ASSETMAINNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACAM09-ASSETMAINNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ASSETSUBNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACAM09-ASSETSUBNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACAM09-ASSETSUBNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISC_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACAM09-FISC_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACAM09-FISC_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLOB_AREA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIACAM09-GLOB_AREA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIACAM09-GLOB_AREA.
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_BAPIACAM09_STR, 
ITEMNO_ACC TYPE STRING,
COMP_CODE TYPE STRING,
ASSETMAINNO TYPE STRING,
ASSETSUBNO TYPE STRING,
FISC_YEAR TYPE STRING,
CURRENT_NO TYPE STRING,
GLOB_AREA TYPE STRING,
VALUEDATE TYPE STRING,
ASSETTRTYP TYPE STRING,
AMOUNT TYPE STRING,
PROPVAL_IND TYPE STRING,
DIFAMNTIND TYPE STRING,
APPREC_CUM TYPE STRING,
INVGRNT_CU TYPE STRING,
ORD_DEP_CU TYPE STRING,
SPE_DEP_CU TYPE STRING,
UNP_DEP_CU TYPE STRING,
RES_TRA_CU TYPE STRING,
ORD_REV_CU TYPE STRING,
APPREC_CY TYPE STRING,
INVGRNT_CY TYPE STRING,
ORD_DEP_CY TYPE STRING,
SPE_DEP_CY TYPE STRING,
UNP_DEP_CY TYPE STRING,
TRA_RES_CY TYPE STRING,
ORD_REV_CY TYPE STRING,
REV_ON_RET TYPE STRING,
RET_COSTS TYPE STRING,
CURRENCY TYPE STRING,
CURRENCY_ISO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIACAM09_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_BAPIACAM09_STR-ITEMNO_ACC sy-vline 
WA_BAPIACAM09_STR-COMP_CODE sy-vline 
WA_BAPIACAM09_STR-ASSETMAINNO sy-vline 
WA_BAPIACAM09_STR-ASSETSUBNO sy-vline 
WA_BAPIACAM09_STR-FISC_YEAR sy-vline 
WA_BAPIACAM09_STR-CURRENT_NO sy-vline 
WA_BAPIACAM09_STR-GLOB_AREA sy-vline 
WA_BAPIACAM09_STR-VALUEDATE sy-vline 
WA_BAPIACAM09_STR-ASSETTRTYP sy-vline 
WA_BAPIACAM09_STR-AMOUNT sy-vline 
WA_BAPIACAM09_STR-PROPVAL_IND sy-vline 
WA_BAPIACAM09_STR-DIFAMNTIND sy-vline 
WA_BAPIACAM09_STR-APPREC_CUM sy-vline 
WA_BAPIACAM09_STR-INVGRNT_CU sy-vline 
WA_BAPIACAM09_STR-ORD_DEP_CU sy-vline 
WA_BAPIACAM09_STR-SPE_DEP_CU sy-vline 
WA_BAPIACAM09_STR-UNP_DEP_CU sy-vline 
WA_BAPIACAM09_STR-RES_TRA_CU sy-vline 
WA_BAPIACAM09_STR-ORD_REV_CU sy-vline 
WA_BAPIACAM09_STR-APPREC_CY sy-vline 
WA_BAPIACAM09_STR-INVGRNT_CY sy-vline 
WA_BAPIACAM09_STR-ORD_DEP_CY sy-vline 
WA_BAPIACAM09_STR-SPE_DEP_CY sy-vline 
WA_BAPIACAM09_STR-UNP_DEP_CY sy-vline 
WA_BAPIACAM09_STR-TRA_RES_CY sy-vline 
WA_BAPIACAM09_STR-ORD_REV_CY sy-vline 
WA_BAPIACAM09_STR-REV_ON_RET sy-vline 
WA_BAPIACAM09_STR-RET_COSTS sy-vline 
WA_BAPIACAM09_STR-CURRENCY sy-vline 
WA_BAPIACAM09_STR-CURRENCY_ISO sy-vline      INTO ld_text SEPARATED BY SPACE.

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