ABAP Select data from SAP table BAPI_RE_AT_OBJ_DATC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI_RE_AT_OBJ_DATC 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_RE_AT_OBJ_DATC. 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_RE_AT_OBJ_DATC 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_RE_AT_OBJ_DATC TYPE STANDARD TABLE OF BAPI_RE_AT_OBJ_DATC,
      WA_BAPI_RE_AT_OBJ_DATC TYPE BAPI_RE_AT_OBJ_DATC,
      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_RE_AT_OBJ_DATC> TYPE BAPI_RE_AT_OBJ_DATC.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_RE_AT_OBJ_DATC
*  INTO TABLE @DATA(IT_BAPI_RE_AT_OBJ_DATC2).
*--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_RE_AT_OBJ_DATC INDEX 1 INTO DATA(WA_BAPI_RE_AT_OBJ_DATC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_RE_AT_OBJ_DATC>-CHANGE_INDICATOR = 1.
<BAPI_RE_AT_OBJ_DATC>-ADJUST_OBJECT_TYPE = 1.
<BAPI_RE_AT_OBJ_DATC>-ADJUST_OBJECT_ID = 1.
<BAPI_RE_AT_OBJ_DATC>-COSTS_ITEM = 1.
<BAPI_RE_AT_OBJ_DATC>-COSTS_ITEM_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_RE_AT_OBJ_DATC-CALC_INC_AMNT, sy-vline,
  WA_BAPI_RE_AT_OBJ_DATC-CALC_TOT_AMNT, sy-vline,
  WA_BAPI_RE_AT_OBJ_DATC-CALC_INC_AMNT_MS, sy-vline,
  WA_BAPI_RE_AT_OBJ_DATC-CALC_TOT_AMNT_MS, sy-vline,
  WA_BAPI_RE_AT_OBJ_DATC-MOD_INC_AMNT, sy-vline,
  WA_BAPI_RE_AT_OBJ_DATC-MOD_TOT_AMNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_RE_AT_OBJ_DATC 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_RE_AT_OBJ_DATC 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_RE_AT_OBJ_DATC INTO WA_BAPI_RE_AT_OBJ_DATC.


*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 RECUP, internal->external for field CALC_INC_AMNT
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-CALC_INC_AMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-CALC_INC_AMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field CALC_TOT_AMNT
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-CALC_TOT_AMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-CALC_TOT_AMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field CALC_INC_AMNT_MS
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-CALC_INC_AMNT_MS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-CALC_INC_AMNT_MS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field CALC_TOT_AMNT_MS
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-CALC_TOT_AMNT_MS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-CALC_TOT_AMNT_MS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MOD_INC_AMNT
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MOD_INC_AMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MOD_INC_AMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MOD_TOT_AMNT
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MOD_TOT_AMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MOD_TOT_AMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MOD_INC_AMNT_MS
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MOD_INC_AMNT_MS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MOD_INC_AMNT_MS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MOD_TOT_AMNT_MS
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MOD_TOT_AMNT_MS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MOD_TOT_AMNT_MS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field TOT_DEC_AMNT
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-TOT_DEC_AMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-TOT_DEC_AMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field TOT_DEC_AMNT_MS
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-TOT_DEC_AMNT_MS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-TOT_DEC_AMNT_MS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAX_INC_AMNT
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MAX_INC_AMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MAX_INC_AMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAX_TOT_AMNT
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MAX_TOT_AMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MAX_TOT_AMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAX_INC_AMNT_MS
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MAX_INC_AMNT_MS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MAX_INC_AMNT_MS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAX_TOT_AMNT_MS
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MAX_TOT_AMNT_MS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MAX_TOT_AMNT_MS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAX_PRICE_MS
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MAX_PRICE_MS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MAX_PRICE_MS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAX_PRICE_ABS
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MAX_PRICE_ABS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MAX_PRICE_ABS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAX_PRICE_MS_CN
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MAX_PRICE_MS_CN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MAX_PRICE_MS_CN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RECUP, internal->external for field MAX_PRICE_ABS_CN
CALL FUNCTION 'CONVERSION_EXIT_RECUP_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_AT_OBJ_DATC-MAX_PRICE_ABS_CN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_AT_OBJ_DATC-MAX_PRICE_ABS_CN.
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_RE_AT_OBJ_DATC_STR, 
CHANGE_INDICATOR TYPE STRING,
ADJUST_OBJECT_TYPE TYPE STRING,
ADJUST_OBJECT_ID TYPE STRING,
COSTS_ITEM TYPE STRING,
COSTS_ITEM_TEXT TYPE STRING,
CALC_INC_AMNT TYPE STRING,
CALC_TOT_AMNT TYPE STRING,
CALC_INC_AMNT_MS TYPE STRING,
CALC_TOT_AMNT_MS TYPE STRING,
MOD_INC_AMNT TYPE STRING,
MOD_TOT_AMNT TYPE STRING,
MOD_INC_AMNT_MS TYPE STRING,
MOD_TOT_AMNT_MS TYPE STRING,
TOT_DEC_AMNT TYPE STRING,
TOT_DEC_AMNT_MS TYPE STRING,
MAX_INC_AMNT TYPE STRING,
MAX_TOT_AMNT TYPE STRING,
MAX_INC_AMNT_MS TYPE STRING,
MAX_TOT_AMNT_MS TYPE STRING,
MAX_PRICE_MS TYPE STRING,
MAX_PRICE_ABS TYPE STRING,
MAX_PRICE_MS_CN TYPE STRING,
MAX_PRICE_ABS_CN TYPE STRING,
IS_FULL_WAIVER TYPE STRING,
IS_FULL_WAIVER_CN TYPE STRING,
HAS_NO_COST_DIST_OBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_RE_AT_OBJ_DATC_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_RE_AT_OBJ_DATC_STR-CHANGE_INDICATOR sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-ADJUST_OBJECT_TYPE sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-ADJUST_OBJECT_ID sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-COSTS_ITEM sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-COSTS_ITEM_TEXT sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-CALC_INC_AMNT sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-CALC_TOT_AMNT sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-CALC_INC_AMNT_MS sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-CALC_TOT_AMNT_MS sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MOD_INC_AMNT sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MOD_TOT_AMNT sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MOD_INC_AMNT_MS sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MOD_TOT_AMNT_MS sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-TOT_DEC_AMNT sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-TOT_DEC_AMNT_MS sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MAX_INC_AMNT sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MAX_TOT_AMNT sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MAX_INC_AMNT_MS sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MAX_TOT_AMNT_MS sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MAX_PRICE_MS sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MAX_PRICE_ABS sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MAX_PRICE_MS_CN sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-MAX_PRICE_ABS_CN sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-IS_FULL_WAIVER sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-IS_FULL_WAIVER_CN sy-vline 
WA_BAPI_RE_AT_OBJ_DATC_STR-HAS_NO_COST_DIST_OBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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