ABAP Select data from SAP table /ACCGO/CAS_S_ALV_TOLERANCE 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_ALV_TOLERANCE 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_ALV_TOLERANCE. 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_ALV_TOLERANCE 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_ALV_TOLERANCE TYPE STANDARD TABLE OF /ACCGO/CAS_S_ALV_TOLERANCE,
      WA_/ACCGO/CAS_S_ALV_TOLERANCE TYPE /ACCGO/CAS_S_ALV_TOLERANCE,
      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_ALV_TOLERANCE> TYPE /ACCGO/CAS_S_ALV_TOLERANCE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAS_S_ALV_TOLERANCE
*  INTO TABLE @DATA(IT_/ACCGO/CAS_S_ALV_TOLERANCE2).
*--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_ALV_TOLERANCE INDEX 1 INTO DATA(WA_/ACCGO/CAS_S_ALV_TOLERANCE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAS_S_ALV_TOLERANCE>-TOLRID = 1.
</ACCGO/CAS_S_ALV_TOLERANCE>-TOLR_TYP_ID = 1.
</ACCGO/CAS_S_ALV_TOLERANCE>-SEQ_NO = 1.
</ACCGO/CAS_S_ALV_TOLERANCE>-DIRECTN = 1.
</ACCGO/CAS_S_ALV_TOLERANCE>-TOL_FROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAS_S_ALV_TOLERANCE-TOL_TO, sy-vline,
  WA_/ACCGO/CAS_S_ALV_TOLERANCE-TOL_VAL, sy-vline,
  WA_/ACCGO/CAS_S_ALV_TOLERANCE-UOM, sy-vline,
  WA_/ACCGO/CAS_S_ALV_TOLERANCE-TOLR_APPL_TYPE, sy-vline,
  WA_/ACCGO/CAS_S_ALV_TOLERANCE-PRICE_APPL, sy-vline,
  WA_/ACCGO/CAS_S_ALV_TOLERANCE-PRICE_SEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAS_S_ALV_TOLERANCE 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_ALV_TOLERANCE 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_ALV_TOLERANCE INTO WA_/ACCGO/CAS_S_ALV_TOLERANCE.


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

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

*Conversion exit CUNIT, internal->external for field ATTR_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAS_S_ALV_TOLERANCE-ATTR_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAS_S_ALV_TOLERANCE-ATTR_UOM.
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_ALV_TOLERANCE_STR, 
TOLRID TYPE STRING,
TOLR_TYP_ID TYPE STRING,
SEQ_NO TYPE STRING,
DIRECTN TYPE STRING,
TOL_FROM TYPE STRING,
TOL_TO TYPE STRING,
TOL_VAL TYPE STRING,
UOM TYPE STRING,
TOLR_APPL_TYPE TYPE STRING,
PRICE_APPL TYPE STRING,
PRICE_SEL TYPE STRING,
ATTRIBUTE TYPE STRING,
ATTRIBUTE_VALUE TYPE STRING,
ATTR_UOM TYPE STRING,
DELETION TYPE STRING,
FINAL_GRD_IND TYPE STRING,
GOVERN_TERM TYPE STRING,
OPTION_T TYPE STRING,
DELIVERY_QTY TYPE STRING,
DROP_DOWN_HANDLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAS_S_ALV_TOLERANCE_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_ALV_TOLERANCE_STR-TOLRID sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-TOLR_TYP_ID sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-SEQ_NO sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-DIRECTN sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-TOL_FROM sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-TOL_TO sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-TOL_VAL sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-UOM sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-TOLR_APPL_TYPE sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-PRICE_APPL sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-PRICE_SEL sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-ATTRIBUTE sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-ATTRIBUTE_VALUE sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-ATTR_UOM sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-DELETION sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-FINAL_GRD_IND sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-GOVERN_TERM sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-OPTION_T sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-DELIVERY_QTY sy-vline 
WA_/ACCGO/CAS_S_ALV_TOLERANCE_STR-DROP_DOWN_HANDLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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