ABAP Select data from SAP table /ACCGO/CAS_S_RR_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/CAS_S_RR_ALV 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 /ACCGO/CAS_S_RR_ALV. 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 /ACCGO/CAS_S_RR_ALV 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_/ACCGO/CAS_S_RR_ALV TYPE STANDARD TABLE OF /ACCGO/CAS_S_RR_ALV,
      WA_/ACCGO/CAS_S_RR_ALV TYPE /ACCGO/CAS_S_RR_ALV,
      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: </ACCGO/CAS_S_RR_ALV> TYPE /ACCGO/CAS_S_RR_ALV.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/CAS_S_RR_ALV
  INTO TABLE IT_/ACCGO/CAS_S_RR_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAS_S_RR_ALV
*  INTO TABLE @DATA(IT_/ACCGO/CAS_S_RR_ALV2).
*--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_/ACCGO/CAS_S_RR_ALV INDEX 1 INTO DATA(WA_/ACCGO/CAS_S_RR_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/CAS_S_RR_ALV ASSIGNING </ACCGO/CAS_S_RR_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAS_S_RR_ALV>-STATUS = 1.
</ACCGO/CAS_S_RR_ALV>-RR_STATUS = 1.
</ACCGO/CAS_S_RR_ALV>-RR_STATUS_TEXT = 1.
</ACCGO/CAS_S_RR_ALV>-SO_NUMBER = 1.
</ACCGO/CAS_S_RR_ALV>-SO_ITEM = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/CAS_S_RR_ALV INTO WA_/ACCGO/CAS_S_RR_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAS_S_RR_ALV-VBELN, sy-vline,
  WA_/ACCGO/CAS_S_RR_ALV-POSNR, sy-vline,
  WA_/ACCGO/CAS_S_RR_ALV-TKONN, sy-vline,
  WA_/ACCGO/CAS_S_RR_ALV-TT_DATE, sy-vline,
  WA_/ACCGO/CAS_S_RR_ALV-TT_INDI, sy-vline,
  WA_/ACCGO/CAS_S_RR_ALV-GW_INDI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAS_S_RR_ALV 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_/ACCGO/CAS_S_RR_ALV 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_/ACCGO/CAS_S_RR_ALV INTO WA_/ACCGO/CAS_S_RR_ALV.


*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 SO_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAS_S_RR_ALV-SO_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAS_S_RR_ALV-SO_NUMBER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAS_S_RR_ALV-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAS_S_RR_ALV-AUART.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field FOLLOW_DOC_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAS_S_RR_ALV-FOLLOW_DOC_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAS_S_RR_ALV-FOLLOW_DOC_YEAR.
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_/ACCGO/CAS_S_RR_ALV_STR, 
STATUS TYPE STRING,
RR_STATUS TYPE STRING,
RR_STATUS_TEXT TYPE STRING,
SO_NUMBER TYPE STRING,
SO_ITEM TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
TKONN TYPE STRING,
TT_DATE TYPE STRING,
TT_INDI TYPE STRING,
GW_INDI TYPE STRING,
GQ_INDI TYPE STRING,
FS_INDI TYPE STRING,
FP_INDI TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
WERKS TYPE STRING,
POD_STATUS TYPE STRING,
APPLDOC TYPE STRING,
ITEM TYPE STRING,
APPLDOC_TYPE TYPE STRING,
APPLDOC_DATE TYPE STRING,
SETTL_DOC TYPE STRING,
SETTL_ITEM TYPE STRING,
SETTLDOC_TYPE TYPE STRING,
SETTL_DATE TYPE STRING,
SETTL_QTY TYPE STRING,
SETTL_UNIT TYPE STRING,
BUKRS TYPE STRING,
PRCTR TYPE STRING,
INCOTERMS TYPE STRING,
AUART TYPE STRING,
PTC_NO TYPE STRING,
PTC_ITEM TYPE STRING,
COMM_ITEM TYPE STRING,
PTC_TYPE TYPE STRING,
FOLLOW_DOC TYPE STRING,
FOLLOW_DOC_ITEM TYPE STRING,
FOLLOW_DOC_YEAR TYPE STRING,
FOLLOW_DOC_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAS_S_RR_ALV_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_/ACCGO/CAS_S_RR_ALV_STR-STATUS sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-RR_STATUS sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-RR_STATUS_TEXT sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-SO_NUMBER sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-SO_ITEM sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-VBELN sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-POSNR sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-TKONN sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-TT_DATE sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-TT_INDI sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-GW_INDI sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-GQ_INDI sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-FS_INDI sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-FP_INDI sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-VKORG sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-VTWEG sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-SPART sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-WERKS sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-POD_STATUS sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-APPLDOC sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-ITEM sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-APPLDOC_TYPE sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-APPLDOC_DATE sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-SETTL_DOC sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-SETTL_ITEM sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-SETTLDOC_TYPE sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-SETTL_DATE sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-SETTL_QTY sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-SETTL_UNIT sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-BUKRS sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-PRCTR sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-INCOTERMS sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-AUART sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-PTC_NO sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-PTC_ITEM sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-COMM_ITEM sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-PTC_TYPE sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-FOLLOW_DOC sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-FOLLOW_DOC_ITEM sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-FOLLOW_DOC_YEAR sy-vline 
WA_/ACCGO/CAS_S_RR_ALV_STR-FOLLOW_DOC_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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