ABAP Select data from SAP table BAPI_BIT_POSTING_CREATE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI_BIT_POSTING_CREATE 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_BIT_POSTING_CREATE. 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_BIT_POSTING_CREATE 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_BIT_POSTING_CREATE TYPE STANDARD TABLE OF BAPI_BIT_POSTING_CREATE,
      WA_BAPI_BIT_POSTING_CREATE TYPE BAPI_BIT_POSTING_CREATE,
      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_BIT_POSTING_CREATE> TYPE BAPI_BIT_POSTING_CREATE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_BIT_POSTING_CREATE
*  INTO TABLE @DATA(IT_BAPI_BIT_POSTING_CREATE2).
*--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_BIT_POSTING_CREATE INDEX 1 INTO DATA(WA_BAPI_BIT_POSTING_CREATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_BIT_POSTING_CREATE>-SOURCETATYPE = 1.
<BAPI_BIT_POSTING_CREATE>-SOURCETAID = 1.
<BAPI_BIT_POSTING_CREATE>-SOURCETASUBID = 1.
<BAPI_BIT_POSTING_CREATE>-DIVISION = 1.
<BAPI_BIT_POSTING_CREATE>-COMP_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_BIT_POSTING_CREATE-BUS_AREA, sy-vline,
  WA_BAPI_BIT_POSTING_CREATE-SEGMENT, sy-vline,
  WA_BAPI_BIT_POSTING_CREATE-PROFIT_CTR, sy-vline,
  WA_BAPI_BIT_POSTING_CREATE-WBS_ELEMENT, sy-vline,
  WA_BAPI_BIT_POSTING_CREATE-MAIN_TRANS, sy-vline,
  WA_BAPI_BIT_POSTING_CREATE-SUB_TRANS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_BIT_POSTING_CREATE 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_BIT_POSTING_CREATE 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_BIT_POSTING_CREATE INTO WA_BAPI_BIT_POSTING_CREATE.


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

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

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

*Conversion exit ABPSN, internal->external for field WBS_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_BIT_POSTING_CREATE-WBS_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_BIT_POSTING_CREATE-WBS_ELEMENT.
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_BIT_POSTING_CREATE_STR, 
SOURCETATYPE TYPE STRING,
SOURCETAID TYPE STRING,
SOURCETASUBID TYPE STRING,
DIVISION TYPE STRING,
COMP_CODE TYPE STRING,
BUS_AREA TYPE STRING,
SEGMENT TYPE STRING,
PROFIT_CTR TYPE STRING,
WBS_ELEMENT TYPE STRING,
MAIN_TRANS TYPE STRING,
SUB_TRANS TYPE STRING,
ACTDETERID TYPE STRING,
NOT_BPREL TYPE STRING,
DOWN_PMNT TYPE STRING,
STAT_KEY TYPE STRING,
PA8121_POS_ID1 TYPE STRING,
PA8121_POS_ID2 TYPE STRING,
PA8121_POS_ID3 TYPE STRING,
PA8121_POS_ID4 TYPE STRING,
PA8122_POS_ID1 TYPE STRING,
PA8122_POS_ID2 TYPE STRING,
PA8120_POS_ID1 TYPE STRING,
PA8120_POS_ID2 TYPE STRING,
PA8120_POS_ID3 TYPE STRING,
PA8120_POS_ID4 TYPE STRING,
OFFSET_PROC TYPE STRING,
OFFSET_ACTION TYPE STRING,
OFFSET_CAT TYPE STRING,
OFFSET_GROUP TYPE STRING,
OFFSET_REFID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_BIT_POSTING_CREATE_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_BIT_POSTING_CREATE_STR-SOURCETATYPE sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-SOURCETAID sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-SOURCETASUBID sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-DIVISION sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-COMP_CODE sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-BUS_AREA sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-SEGMENT sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PROFIT_CTR sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-WBS_ELEMENT sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-MAIN_TRANS sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-SUB_TRANS sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-ACTDETERID sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-NOT_BPREL sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-DOWN_PMNT sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-STAT_KEY sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8121_POS_ID1 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8121_POS_ID2 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8121_POS_ID3 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8121_POS_ID4 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8122_POS_ID1 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8122_POS_ID2 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8120_POS_ID1 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8120_POS_ID2 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8120_POS_ID3 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-PA8120_POS_ID4 sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-OFFSET_PROC sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-OFFSET_ACTION sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-OFFSET_CAT sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-OFFSET_GROUP sy-vline 
WA_BAPI_BIT_POSTING_CREATE_STR-OFFSET_REFID sy-vline      INTO ld_text SEPARATED BY SPACE.

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