ABAP Select data from SAP table GSALV_S_RFHABU10_LIST4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP GSALV_S_RFHABU10_LIST4 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 GSALV_S_RFHABU10_LIST4. 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 GSALV_S_RFHABU10_LIST4 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_GSALV_S_RFHABU10_LIST4 TYPE STANDARD TABLE OF GSALV_S_RFHABU10_LIST4,
      WA_GSALV_S_RFHABU10_LIST4 TYPE GSALV_S_RFHABU10_LIST4,
      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: <GSALV_S_RFHABU10_LIST4> TYPE GSALV_S_RFHABU10_LIST4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_GSALV_S_RFHABU10_LIST4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM GSALV_S_RFHABU10_LIST4
  INTO TABLE IT_GSALV_S_RFHABU10_LIST4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GSALV_S_RFHABU10_LIST4
*  INTO TABLE @DATA(IT_GSALV_S_RFHABU10_LIST42).
*--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_GSALV_S_RFHABU10_LIST4 INDEX 1 INTO DATA(WA_GSALV_S_RFHABU10_LIST42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_GSALV_S_RFHABU10_LIST4 ASSIGNING <GSALV_S_RFHABU10_LIST4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GSALV_S_RFHABU10_LIST4>-RLDNR = 1.
<GSALV_S_RFHABU10_LIST4>-BUKRS = 1.
<GSALV_S_RFHABU10_LIST4>-SUMM_ACCT = 1.
<GSALV_S_RFHABU10_LIST4>-GSBER = 1.
<GSALV_S_RFHABU10_LIST4>-KONTO = 1.

ENDLOOP.

LOOP AT IT_GSALV_S_RFHABU10_LIST4 INTO WA_GSALV_S_RFHABU10_LIST4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GSALV_S_RFHABU10_LIST4-OP_BALANCE, sy-vline,
  WA_GSALV_S_RFHABU10_LIST4-DEBIT_AMT, sy-vline,
  WA_GSALV_S_RFHABU10_LIST4-CREDIT_AMT, sy-vline,
  WA_GSALV_S_RFHABU10_LIST4-CL_BALANCE, sy-vline,
  WA_GSALV_S_RFHABU10_LIST4-DB_CL_BALANCE, sy-vline,
  WA_GSALV_S_RFHABU10_LIST4-TXT50, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GSALV_S_RFHABU10_LIST4 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_GSALV_S_RFHABU10_LIST4 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_GSALV_S_RFHABU10_LIST4 INTO WA_GSALV_S_RFHABU10_LIST4.


*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 RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GSALV_S_RFHABU10_LIST4-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GSALV_S_RFHABU10_LIST4-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field OP_BALANCE
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_GSALV_S_RFHABU10_LIST4-OP_BALANCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GSALV_S_RFHABU10_LIST4-OP_BALANCE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field DEBIT_AMT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_GSALV_S_RFHABU10_LIST4-DEBIT_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GSALV_S_RFHABU10_LIST4-DEBIT_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field CREDIT_AMT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_GSALV_S_RFHABU10_LIST4-CREDIT_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GSALV_S_RFHABU10_LIST4-CREDIT_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field CL_BALANCE
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_GSALV_S_RFHABU10_LIST4-CL_BALANCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GSALV_S_RFHABU10_LIST4-CL_BALANCE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field DB_CL_BALANCE
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_GSALV_S_RFHABU10_LIST4-DB_CL_BALANCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GSALV_S_RFHABU10_LIST4-DB_CL_BALANCE.
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_GSALV_S_RFHABU10_LIST4_STR, 
RLDNR TYPE STRING,
BUKRS TYPE STRING,
SUMM_ACCT TYPE STRING,
GSBER TYPE STRING,
KONTO TYPE STRING,
OP_BALANCE TYPE STRING,
DEBIT_AMT TYPE STRING,
CREDIT_AMT TYPE STRING,
CL_BALANCE TYPE STRING,
DB_CL_BALANCE TYPE STRING,
TXT50 TYPE STRING,
COLOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GSALV_S_RFHABU10_LIST4_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_GSALV_S_RFHABU10_LIST4_STR-RLDNR sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-BUKRS sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-SUMM_ACCT sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-GSBER sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-KONTO sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-OP_BALANCE sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-DEBIT_AMT sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-CREDIT_AMT sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-CL_BALANCE sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-DB_CL_BALANCE sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-TXT50 sy-vline 
WA_GSALV_S_RFHABU10_LIST4_STR-COLOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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