ABAP Select data from SAP table BAPI10003ACTRELO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI10003ACTRELO 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 BAPI10003ACTRELO. 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 BAPI10003ACTRELO 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_BAPI10003ACTRELO TYPE STANDARD TABLE OF BAPI10003ACTRELO,
      WA_BAPI10003ACTRELO TYPE BAPI10003ACTRELO,
      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: <BAPI10003ACTRELO> TYPE BAPI10003ACTRELO.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPI10003ACTRELO.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPI10003ACTRELO
  INTO TABLE IT_BAPI10003ACTRELO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI10003ACTRELO
*  INTO TABLE @DATA(IT_BAPI10003ACTRELO2).
*--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_BAPI10003ACTRELO INDEX 1 INTO DATA(WA_BAPI10003ACTRELO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPI10003ACTRELO ASSIGNING <BAPI10003ACTRELO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI10003ACTRELO>-PLAN_NUMBER_PRE = 1.
<BAPI10003ACTRELO>-OPERATION_NUMBER_PRE = 1.
<BAPI10003ACTRELO>-OPERATION_NUMBER_PRE_EXTN = 1.
<BAPI10003ACTRELO>-ACTIVITY_PRE = 1.
<BAPI10003ACTRELO>-PLAN_NUMBER_SUCC = 1.

ENDLOOP.

LOOP AT IT_BAPI10003ACTRELO INTO WA_BAPI10003ACTRELO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI10003ACTRELO-OPERATION_NUMBER_SUCC, sy-vline,
  WA_BAPI10003ACTRELO-OPERATION_NUMBER_SUCC_EXTN, sy-vline,
  WA_BAPI10003ACTRELO-ACTIVITY_SUCC, sy-vline,
  WA_BAPI10003ACTRELO-REFERENCE_TYPE, sy-vline,
  WA_BAPI10003ACTRELO-MIN_TIME_DEVIATION, sy-vline,
  WA_BAPI10003ACTRELO-MAX_TIME_DEVIATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI10003ACTRELO 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_BAPI10003ACTRELO 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_BAPI10003ACTRELO INTO WA_BAPI10003ACTRELO.


*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 CUNIT, internal->external for field UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI10003ACTRELO-UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI10003ACTRELO-UOM.
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_BAPI10003ACTRELO_STR, 
PLAN_NUMBER_PRE TYPE STRING,
OPERATION_NUMBER_PRE TYPE STRING,
OPERATION_NUMBER_PRE_EXTN TYPE STRING,
ACTIVITY_PRE TYPE STRING,
PLAN_NUMBER_SUCC TYPE STRING,
OPERATION_NUMBER_SUCC TYPE STRING,
OPERATION_NUMBER_SUCC_EXTN TYPE STRING,
ACTIVITY_SUCC TYPE STRING,
REFERENCE_TYPE TYPE STRING,
MIN_TIME_DEVIATION TYPE STRING,
MAX_TIME_DEVIATION TYPE STRING,
MIN_DEVIATION_FLG TYPE STRING,
MAX_DEVIATION_FLG TYPE STRING,
RESOURCE_NETWORK_FLG TYPE STRING,
UOM TYPE STRING,
UOM_ISO TYPE STRING,
MATERIAL_FLOW_FLG TYPE STRING,
MODE_REL_TYPE TYPE STRING,
CONSTR_SUBTYPE TYPE STRING,
COVER TYPE STRING,
AVR_TIME_DEVIATION TYPE STRING,
AVR_DEVIATION_FLG TYPE STRING,
SCHEDULED_BY_PREDECESSOR TYPE STRING,
SCHEDULED_BY_SUCCESSOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI10003ACTRELO_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_BAPI10003ACTRELO_STR-PLAN_NUMBER_PRE sy-vline 
WA_BAPI10003ACTRELO_STR-OPERATION_NUMBER_PRE sy-vline 
WA_BAPI10003ACTRELO_STR-OPERATION_NUMBER_PRE_EXTN sy-vline 
WA_BAPI10003ACTRELO_STR-ACTIVITY_PRE sy-vline 
WA_BAPI10003ACTRELO_STR-PLAN_NUMBER_SUCC sy-vline 
WA_BAPI10003ACTRELO_STR-OPERATION_NUMBER_SUCC sy-vline 
WA_BAPI10003ACTRELO_STR-OPERATION_NUMBER_SUCC_EXTN sy-vline 
WA_BAPI10003ACTRELO_STR-ACTIVITY_SUCC sy-vline 
WA_BAPI10003ACTRELO_STR-REFERENCE_TYPE sy-vline 
WA_BAPI10003ACTRELO_STR-MIN_TIME_DEVIATION sy-vline 
WA_BAPI10003ACTRELO_STR-MAX_TIME_DEVIATION sy-vline 
WA_BAPI10003ACTRELO_STR-MIN_DEVIATION_FLG sy-vline 
WA_BAPI10003ACTRELO_STR-MAX_DEVIATION_FLG sy-vline 
WA_BAPI10003ACTRELO_STR-RESOURCE_NETWORK_FLG sy-vline 
WA_BAPI10003ACTRELO_STR-UOM sy-vline 
WA_BAPI10003ACTRELO_STR-UOM_ISO sy-vline 
WA_BAPI10003ACTRELO_STR-MATERIAL_FLOW_FLG sy-vline 
WA_BAPI10003ACTRELO_STR-MODE_REL_TYPE sy-vline 
WA_BAPI10003ACTRELO_STR-CONSTR_SUBTYPE sy-vline 
WA_BAPI10003ACTRELO_STR-COVER sy-vline 
WA_BAPI10003ACTRELO_STR-AVR_TIME_DEVIATION sy-vline 
WA_BAPI10003ACTRELO_STR-AVR_DEVIATION_FLG sy-vline 
WA_BAPI10003ACTRELO_STR-SCHEDULED_BY_PREDECESSOR sy-vline 
WA_BAPI10003ACTRELO_STR-SCHEDULED_BY_SUCCESSOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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