ABAP Select data from SAP table BAPICOLLOBJ_GETDETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPICOLLOBJ_GETDETAIL
*  INTO TABLE @DATA(IT_BAPICOLLOBJ_GETDETAIL2).
*--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_BAPICOLLOBJ_GETDETAIL INDEX 1 INTO DATA(WA_BAPICOLLOBJ_GETDETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPICOLLOBJ_GETDETAIL>-COMP_CODE = 1.
<BAPICOLLOBJ_GETDETAIL>-CONTRACT_NO = 1.
<BAPICOLLOBJ_GETDETAIL>-OBJECT_NO = 1.
<BAPICOLLOBJ_GETDETAIL>-PROBJNO = 1.
<BAPICOLLOBJ_GETDETAIL>-MASTERNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPICOLLOBJ_GETDETAIL-LNDREGNO, sy-vline,
  WA_BAPICOLLOBJ_GETDETAIL-OBJECTTYPE, sy-vline,
  WA_BAPICOLLOBJ_GETDETAIL-HER_BU_RIG, sy-vline,
  WA_BAPICOLLOBJ_GETDETAIL-INH_BU_T, sy-vline,
  WA_BAPICOLLOBJ_GETDETAIL-LEG_MEAS, sy-vline,
  WA_BAPICOLLOBJ_GETDETAIL-P_CST_PRIC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPICOLLOBJ_GETDETAIL 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_BAPICOLLOBJ_GETDETAIL 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_BAPICOLLOBJ_GETDETAIL INTO WA_BAPICOLLOBJ_GETDETAIL.


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

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPICOLLOBJ_GETDETAIL-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPICOLLOBJ_GETDETAIL-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOL_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPICOLLOBJ_GETDETAIL-VOL_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPICOLLOBJ_GETDETAIL-VOL_UNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field YEAR_MOD
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BAPICOLLOBJ_GETDETAIL-YEAR_MOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPICOLLOBJ_GETDETAIL-YEAR_MOD.
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_BAPICOLLOBJ_GETDETAIL_STR, 
COMP_CODE TYPE STRING,
CONTRACT_NO TYPE STRING,
OBJECT_NO TYPE STRING,
PROBJNO TYPE STRING,
MASTERNO TYPE STRING,
LNDREGNO TYPE STRING,
OBJECTTYPE TYPE STRING,
HER_BU_RIG TYPE STRING,
INH_BU_T TYPE STRING,
LEG_MEAS TYPE STRING,
P_CST_PRIC TYPE STRING,
CURRENCY TYPE STRING,
CURRENCY_ISO TYPE STRING,
PURCH_ON TYPE STRING,
PROP_COND TYPE STRING,
CO_OWNER TYPE STRING,
FACTOR_1 TYPE STRING,
UNIT TYPE STRING,
UNIT_ISO TYPE STRING,
VOL_UNIT TYPE STRING,
VOL_UNIT_ISO TYPE STRING,
CONSTYR TYPE STRING,
YEAR_MOD TYPE STRING,
BUILAPP TYPE STRING,
BUILD_PER TYPE STRING,
READY_OCC TYPE STRING,
COMPLET TYPE STRING,
FIN_INSP TYPE STRING,
MAINUSTYPE TYPE STRING,
FIX_FITT TYPE STRING,
BUILD_CONDITION TYPE STRING,
DISTRICT TYPE STRING,
AREA TYPE STRING,
TRANSCONN TYPE STRING,
ARCH_CONS TYPE STRING,
MAIN_OBJ TYPE STRING,
REL_INDIC TYPE STRING,
ENTERED_BY TYPE STRING,
ENTERED_ON TYPE STRING,
TIME_INIT TYPE STRING,
SOUINTENTR TYPE STRING,
LAST_CHNGE TYPE STRING,
LASTEDITED_ON TYPE STRING,
TIME_LASTEDITED TYPE STRING,
EDITSOURCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPICOLLOBJ_GETDETAIL_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_BAPICOLLOBJ_GETDETAIL_STR-COMP_CODE sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-CONTRACT_NO sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-OBJECT_NO sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-PROBJNO sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-MASTERNO sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-LNDREGNO sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-OBJECTTYPE sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-HER_BU_RIG sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-INH_BU_T sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-LEG_MEAS sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-P_CST_PRIC sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-CURRENCY sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-CURRENCY_ISO sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-PURCH_ON sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-PROP_COND sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-CO_OWNER sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-FACTOR_1 sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-UNIT sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-UNIT_ISO sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-VOL_UNIT sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-VOL_UNIT_ISO sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-CONSTYR sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-YEAR_MOD sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-BUILAPP sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-BUILD_PER sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-READY_OCC sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-COMPLET sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-FIN_INSP sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-MAINUSTYPE sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-FIX_FITT sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-BUILD_CONDITION sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-DISTRICT sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-AREA sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-TRANSCONN sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-ARCH_CONS sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-MAIN_OBJ sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-REL_INDIC sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-ENTERED_BY sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-ENTERED_ON sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-TIME_INIT sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-SOUINTENTR sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-LAST_CHNGE sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-LASTEDITED_ON sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-TIME_LASTEDITED sy-vline 
WA_BAPICOLLOBJ_GETDETAIL_STR-EDITSOURCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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