ABAP Select data from SAP table BAPI_ACC_C into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI_ACC_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 BAPI_ACC_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 BAPI_ACC_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_BAPI_ACC_C TYPE STANDARD TABLE OF BAPI_ACC_C,
      WA_BAPI_ACC_C TYPE BAPI_ACC_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: <BAPI_ACC_C> TYPE BAPI_ACC_C.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_ACC_C
*  INTO TABLE @DATA(IT_BAPI_ACC_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_BAPI_ACC_C INDEX 1 INTO DATA(WA_BAPI_ACC_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_ACC_C>-PARENT_GUID = 1.
<BAPI_ACC_C>-DISTR_PERC = 1.
<BAPI_ACC_C>-ACC_NO = 1.
<BAPI_ACC_C>-G_L_ACCT = 1.
<BAPI_ACC_C>-BUS_AREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_ACC_C-COST_CTR, sy-vline,
  WA_BAPI_ACC_C-SD_DOC, sy-vline,
  WA_BAPI_ACC_C-SDOC_ITEM, sy-vline,
  WA_BAPI_ACC_C-SCHED_LINE, sy-vline,
  WA_BAPI_ACC_C-ASSET_NO, sy-vline,
  WA_BAPI_ACC_C-SUB_NUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_ACC_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_BAPI_ACC_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_BAPI_ACC_C INTO WA_BAPI_ACC_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 ALPHA, internal->external for field G_L_ACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_ACC_C-G_L_ACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_ACC_C-G_L_ACCT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field WBS_ELEM_E
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_ACC_C-WBS_ELEM_E
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_ACC_C-WBS_ELEM_E.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field ACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_ACC_C-ACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_ACC_C-ACTIVITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field CMMT_ITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_ACC_C-CMMT_ITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_ACC_C-CMMT_ITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RES_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_ACC_C-RES_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_ACC_C-RES_DOC.
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_BAPI_ACC_C_STR, 
PARENT_GUID TYPE STRING,
DISTR_PERC TYPE STRING,
ACC_NO TYPE STRING,
G_L_ACCT TYPE STRING,
BUS_AREA TYPE STRING,
COST_CTR TYPE STRING,
SD_DOC TYPE STRING,
SDOC_ITEM TYPE STRING,
SCHED_LINE TYPE STRING,
ASSET_NO TYPE STRING,
SUB_NUMBER TYPE STRING,
ORDER_NO TYPE STRING,
CO_AREA TYPE STRING,
PROFIT_CTR TYPE STRING,
WBS_ELEM_E TYPE STRING,
NETWORK TYPE STRING,
ACTIVITY TYPE STRING,
CMMT_ITEM TYPE STRING,
FUNDS_CTR TYPE STRING,
FUND TYPE STRING,
FUNC_AREA TYPE STRING,
COST_OBJ TYPE STRING,
ACC_CAT TYPE STRING,
ACC_STR TYPE STRING,
GUID TYPE STRING,
RES_DOC TYPE STRING,
RES_ITEM TYPE STRING,
BUDGET_PERIOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_ACC_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_BAPI_ACC_C_STR-PARENT_GUID sy-vline 
WA_BAPI_ACC_C_STR-DISTR_PERC sy-vline 
WA_BAPI_ACC_C_STR-ACC_NO sy-vline 
WA_BAPI_ACC_C_STR-G_L_ACCT sy-vline 
WA_BAPI_ACC_C_STR-BUS_AREA sy-vline 
WA_BAPI_ACC_C_STR-COST_CTR sy-vline 
WA_BAPI_ACC_C_STR-SD_DOC sy-vline 
WA_BAPI_ACC_C_STR-SDOC_ITEM sy-vline 
WA_BAPI_ACC_C_STR-SCHED_LINE sy-vline 
WA_BAPI_ACC_C_STR-ASSET_NO sy-vline 
WA_BAPI_ACC_C_STR-SUB_NUMBER sy-vline 
WA_BAPI_ACC_C_STR-ORDER_NO sy-vline 
WA_BAPI_ACC_C_STR-CO_AREA sy-vline 
WA_BAPI_ACC_C_STR-PROFIT_CTR sy-vline 
WA_BAPI_ACC_C_STR-WBS_ELEM_E sy-vline 
WA_BAPI_ACC_C_STR-NETWORK sy-vline 
WA_BAPI_ACC_C_STR-ACTIVITY sy-vline 
WA_BAPI_ACC_C_STR-CMMT_ITEM sy-vline 
WA_BAPI_ACC_C_STR-FUNDS_CTR sy-vline 
WA_BAPI_ACC_C_STR-FUND sy-vline 
WA_BAPI_ACC_C_STR-FUNC_AREA sy-vline 
WA_BAPI_ACC_C_STR-COST_OBJ sy-vline 
WA_BAPI_ACC_C_STR-ACC_CAT sy-vline 
WA_BAPI_ACC_C_STR-ACC_STR sy-vline 
WA_BAPI_ACC_C_STR-GUID sy-vline 
WA_BAPI_ACC_C_STR-RES_DOC sy-vline 
WA_BAPI_ACC_C_STR-RES_ITEM sy-vline 
WA_BAPI_ACC_C_STR-BUDGET_PERIOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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