ABAP Select data from SAP table JVA_CUTBACK_POSTING into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JVA_CUTBACK_POSTING
*  INTO TABLE @DATA(IT_JVA_CUTBACK_POSTING2).
*--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_JVA_CUTBACK_POSTING INDEX 1 INTO DATA(WA_JVA_CUTBACK_POSTING2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JVA_CUTBACK_POSTING>-RBUKRS = 1.
<JVA_CUTBACK_POSTING>-GJAHR = 1.
<JVA_CUTBACK_POSTING>-BELNR = 1.
<JVA_CUTBACK_POSTING>-AWSYS = 1.
<JVA_CUTBACK_POSTING>-BUDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JVA_CUTBACK_POSTING-RWCUR, sy-vline,
  WA_JVA_CUTBACK_POSTING-VNAME, sy-vline,
  WA_JVA_CUTBACK_POSTING-EGRUP, sy-vline,
  WA_JVA_CUTBACK_POSTING-CBRUNID, sy-vline,
  WA_JVA_CUTBACK_POSTING-JVACTIVITY, sy-vline,
  WA_JVA_CUTBACK_POSTING-AUGDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JVA_CUTBACK_POSTING 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_JVA_CUTBACK_POSTING 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_JVA_CUTBACK_POSTING INTO WA_JVA_CUTBACK_POSTING.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVA_CUTBACK_POSTING-SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_CUTBACK_POSTING-SYSTEM.
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_JVA_CUTBACK_POSTING_STR, 
RBUKRS TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
AWSYS TYPE STRING,
BUDAT TYPE STRING,
RWCUR TYPE STRING,
VNAME TYPE STRING,
EGRUP TYPE STRING,
CBRUNID TYPE STRING,
JVACTIVITY TYPE STRING,
AUGDT TYPE STRING,
AUGBL TYPE STRING,
AUGGJ TYPE STRING,
DOCTYPE TYPE STRING,
AWKEY TYPE STRING,
STBLG TYPE STRING,
CLEARED TYPE STRING,
NOT_REQUIRED TYPE STRING,
MESSAGE TYPE STRING,
TYPE TYPE STRING,
ID TYPE STRING,
NUMBER TYPE STRING,
MESSAGE TYPE STRING,
LOG_NO TYPE STRING,
LOG_MSG_NO TYPE STRING,
MESSAGE_V1 TYPE STRING,
MESSAGE_V2 TYPE STRING,
MESSAGE_V3 TYPE STRING,
MESSAGE_V4 TYPE STRING,
PARAMETER TYPE STRING,
ROW TYPE STRING,
FIELD TYPE STRING,
SYSTEM TYPE STRING,
REMARKS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JVA_CUTBACK_POSTING_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_JVA_CUTBACK_POSTING_STR-RBUKRS sy-vline 
WA_JVA_CUTBACK_POSTING_STR-GJAHR sy-vline 
WA_JVA_CUTBACK_POSTING_STR-BELNR sy-vline 
WA_JVA_CUTBACK_POSTING_STR-AWSYS sy-vline 
WA_JVA_CUTBACK_POSTING_STR-BUDAT sy-vline 
WA_JVA_CUTBACK_POSTING_STR-RWCUR sy-vline 
WA_JVA_CUTBACK_POSTING_STR-VNAME sy-vline 
WA_JVA_CUTBACK_POSTING_STR-EGRUP sy-vline 
WA_JVA_CUTBACK_POSTING_STR-CBRUNID sy-vline 
WA_JVA_CUTBACK_POSTING_STR-JVACTIVITY sy-vline 
WA_JVA_CUTBACK_POSTING_STR-AUGDT sy-vline 
WA_JVA_CUTBACK_POSTING_STR-AUGBL sy-vline 
WA_JVA_CUTBACK_POSTING_STR-AUGGJ sy-vline 
WA_JVA_CUTBACK_POSTING_STR-DOCTYPE sy-vline 
WA_JVA_CUTBACK_POSTING_STR-AWKEY sy-vline 
WA_JVA_CUTBACK_POSTING_STR-STBLG sy-vline 
WA_JVA_CUTBACK_POSTING_STR-CLEARED sy-vline 
WA_JVA_CUTBACK_POSTING_STR-NOT_REQUIRED sy-vline 
WA_JVA_CUTBACK_POSTING_STR-MESSAGE sy-vline 
WA_JVA_CUTBACK_POSTING_STR-TYPE sy-vline 
WA_JVA_CUTBACK_POSTING_STR-ID sy-vline 
WA_JVA_CUTBACK_POSTING_STR-NUMBER sy-vline 
WA_JVA_CUTBACK_POSTING_STR-MESSAGE sy-vline 
WA_JVA_CUTBACK_POSTING_STR-LOG_NO sy-vline 
WA_JVA_CUTBACK_POSTING_STR-LOG_MSG_NO sy-vline 
WA_JVA_CUTBACK_POSTING_STR-MESSAGE_V1 sy-vline 
WA_JVA_CUTBACK_POSTING_STR-MESSAGE_V2 sy-vline 
WA_JVA_CUTBACK_POSTING_STR-MESSAGE_V3 sy-vline 
WA_JVA_CUTBACK_POSTING_STR-MESSAGE_V4 sy-vline 
WA_JVA_CUTBACK_POSTING_STR-PARAMETER sy-vline 
WA_JVA_CUTBACK_POSTING_STR-ROW sy-vline 
WA_JVA_CUTBACK_POSTING_STR-FIELD sy-vline 
WA_JVA_CUTBACK_POSTING_STR-SYSTEM sy-vline 
WA_JVA_CUTBACK_POSTING_STR-REMARKS sy-vline      INTO ld_text SEPARATED BY SPACE.

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