ABAP Select data from SAP table ACRS_PH_CAS_SJ_DETAIL_ALV_ITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACRS_PH_CAS_SJ_DETAIL_ALV_ITM
*  INTO TABLE @DATA(IT_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM2).
*--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_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM INDEX 1 INTO DATA(WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACRS_PH_CAS_SJ_DETAIL_ALV_ITM>-BPTIN = 1.
<ACRS_PH_CAS_SJ_DETAIL_ALV_ITM>-BPID = 1.
<ACRS_PH_CAS_SJ_DETAIL_ALV_ITM>-BPNAME = 1.
<ACRS_PH_CAS_SJ_DETAIL_ALV_ITM>-BPADDRESS = 1.
<ACRS_PH_CAS_SJ_DETAIL_ALV_ITM>-DOCMUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-DOCTYPE, sy-vline,
  WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-DOCDATE, sy-vline,
  WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-AMOUNT, sy-vline,
  WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-LOCALCURRENCY, sy-vline,
  WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-DISCOUNT, sy-vline,
  WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-VATAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM 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_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM 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_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM INTO WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM.


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

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

*Conversion exit AU132, internal->external for field VATAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-VATAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-VATAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field NETAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-NETAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM-NETAMOUNT.
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_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR, 
BPTIN TYPE STRING,
BPID TYPE STRING,
BPNAME TYPE STRING,
BPADDRESS TYPE STRING,
DOCMUMBER TYPE STRING,
DOCTYPE TYPE STRING,
DOCDATE TYPE STRING,
AMOUNT TYPE STRING,
LOCALCURRENCY TYPE STRING,
DISCOUNT TYPE STRING,
VATAMOUNT TYPE STRING,
NETAMOUNT TYPE STRING,
REFERENCE TYPE STRING,
ADDTIONALINFO TYPE STRING,
TAXCODE TYPE STRING,
ITEMTEXTINFO TYPE STRING,
VATCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_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_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-BPTIN sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-BPID sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-BPNAME sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-BPADDRESS sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-DOCMUMBER sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-DOCTYPE sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-DOCDATE sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-AMOUNT sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-LOCALCURRENCY sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-DISCOUNT sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-VATAMOUNT sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-NETAMOUNT sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-REFERENCE sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-ADDTIONALINFO sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-TAXCODE sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-ITEMTEXTINFO sy-vline 
WA_ACRS_PH_CAS_SJ_DETAIL_ALV_ITM_STR-VATCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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