ABAP Select data from SAP table ACESOBJ_ITEM_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACESOBJ_ITEM_EXT
*  INTO TABLE @DATA(IT_ACESOBJ_ITEM_EXT2).
*--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_ACESOBJ_ITEM_EXT INDEX 1 INTO DATA(WA_ACESOBJ_ITEM_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACESOBJ_ITEM_EXT>-ITEMTYPE = 1.
<ACESOBJ_ITEM_EXT>-RLDNR = 1.
<ACESOBJ_ITEM_EXT>-QUANTITY = 1.
<ACESOBJ_ITEM_EXT>-UNIT = 1.
<ACESOBJ_ITEM_EXT>-ACRMETHOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACESOBJ_ITEM_EXT-LIFE_START_DATE, sy-vline,
  WA_ACESOBJ_ITEM_EXT-LIFE_END_DATE, sy-vline,
  WA_ACESOBJ_ITEM_EXT-XOBSOLETE, sy-vline,
  WA_ACESOBJ_ITEM_EXT-INC_DOC_TYPE, sy-vline,
  WA_ACESOBJ_ITEM_EXT-PER_DOC_TYPE, sy-vline,
  WA_ACESOBJ_ITEM_EXT-FIN_DOC_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACESOBJ_ITEM_EXT 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_ACESOBJ_ITEM_EXT 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_ACESOBJ_ITEM_EXT INTO WA_ACESOBJ_ITEM_EXT.


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

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

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

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

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

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

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

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

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

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_WSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_WSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_WSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_HSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_HSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_HSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_KSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_KSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_KSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_OSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_OSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_OSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_VSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_VSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_VSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_BSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_BSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_BSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_CSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_CSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_CSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_DSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_DSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_DSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_ESL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_ESL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_ESL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_FSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_FSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_FSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TOTAL_ACCR_AMNT_GSL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_GSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACESOBJ_ITEM_EXT-TOTAL_ACCR_AMNT_GSL.
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_ACESOBJ_ITEM_EXT_STR, 
ITEMTYPE TYPE STRING,
RLDNR TYPE STRING,
QUANTITY TYPE STRING,
UNIT TYPE STRING,
ACRMETHOD TYPE STRING,
LIFE_START_DATE TYPE STRING,
LIFE_END_DATE TYPE STRING,
XOBSOLETE TYPE STRING,
INC_DOC_TYPE TYPE STRING,
PER_DOC_TYPE TYPE STRING,
FIN_DOC_TYPE TYPE STRING,
INC_OFFSTNG_ACCNT TYPE STRING,
INC_ACCR_ACCNT TYPE STRING,
PER_ACCR_ACCNT TYPE STRING,
PER_OFFSTNG_ACCNT TYPE STRING,
FIN_ACCR_ACCNT TYPE STRING,
FIN_OFFSTNG_ACCNT TYPE STRING,
TOTAL_ACCR_AMNT_WSL TYPE STRING,
TOTAL_ACCR_AMNT_HSL TYPE STRING,
TOTAL_ACCR_AMNT_KSL TYPE STRING,
TOTAL_ACCR_AMNT_OSL TYPE STRING,
TOTAL_ACCR_AMNT_VSL TYPE STRING,
TOTAL_ACCR_AMNT_BSL TYPE STRING,
TOTAL_ACCR_AMNT_CSL TYPE STRING,
TOTAL_ACCR_AMNT_DSL TYPE STRING,
TOTAL_ACCR_AMNT_ESL TYPE STRING,
TOTAL_ACCR_AMNT_FSL TYPE STRING,
TOTAL_ACCR_AMNT_GSL TYPE STRING,
RWCURTTL TYPE STRING,
RHCURTTL TYPE STRING,
RKCURTTL TYPE STRING,
ROCURTTL TYPE STRING,
RVCURTTL TYPE STRING,
RBCURTTL TYPE STRING,
RCCURTTL TYPE STRING,
RDCURTTL TYPE STRING,
RECURTTL TYPE STRING,
RFCURTTL TYPE STRING,
RGCURTTL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACESOBJ_ITEM_EXT_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_ACESOBJ_ITEM_EXT_STR-ITEMTYPE sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RLDNR sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-QUANTITY sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-UNIT sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-ACRMETHOD sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-LIFE_START_DATE sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-LIFE_END_DATE sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-XOBSOLETE sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-INC_DOC_TYPE sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-PER_DOC_TYPE sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-FIN_DOC_TYPE sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-INC_OFFSTNG_ACCNT sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-INC_ACCR_ACCNT sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-PER_ACCR_ACCNT sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-PER_OFFSTNG_ACCNT sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-FIN_ACCR_ACCNT sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-FIN_OFFSTNG_ACCNT sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_WSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_HSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_KSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_OSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_VSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_BSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_CSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_DSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_ESL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_FSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-TOTAL_ACCR_AMNT_GSL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RWCURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RHCURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RKCURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-ROCURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RVCURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RBCURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RCCURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RDCURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RECURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RFCURTTL sy-vline 
WA_ACESOBJ_ITEM_EXT_STR-RGCURTTL sy-vline      INTO ld_text SEPARATED BY SPACE.

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