ABAP Select data from SAP table /1CN/ACMSAP005 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /1CN/ACMSAP005 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 /1CN/ACMSAP005. 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 /1CN/ACMSAP005 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_/1CN/ACMSAP005 TYPE STANDARD TABLE OF /1CN/ACMSAP005,
      WA_/1CN/ACMSAP005 TYPE /1CN/ACMSAP005,
      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: </1CN/ACMSAP005> TYPE /1CN/ACMSAP005.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/1CN/ACMSAP005.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /1CN/ACMSAP005
  INTO TABLE IT_/1CN/ACMSAP005.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /1CN/ACMSAP005
*  INTO TABLE @DATA(IT_/1CN/ACMSAP0052).
*--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_/1CN/ACMSAP005 INDEX 1 INTO DATA(WA_/1CN/ACMSAP0052).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/1CN/ACMSAP005 ASSIGNING </1CN/ACMSAP005>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</1CN/ACMSAP005>-CLIENT = 1.
</1CN/ACMSAP005>-SALES_ORG = 1.
</1CN/ACMSAP005>-DIS_CHANNEL = 1.
</1CN/ACMSAP005>-PRODUCT = 1.
</1CN/ACMSAP005>-LOY_POINT_TYPE = 1.

ENDLOOP.

LOOP AT IT_/1CN/ACMSAP005 INTO WA_/1CN/ACMSAP005.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/1CN/ACMSAP005-KSCHL, sy-vline,
  WA_/1CN/ACMSAP005-OBJECT_ID, sy-vline,
  WA_/1CN/ACMSAP005-TIMESTAMP_TO, sy-vline,
  WA_/1CN/ACMSAP005-RELEASE_STATUS, sy-vline,
  WA_/1CN/ACMSAP005-KOPOS, sy-vline,
  WA_/1CN/ACMSAP005-CREATED_ON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/1CN/ACMSAP005 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_/1CN/ACMSAP005 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_/1CN/ACMSAP005 INTO WA_/1CN/ACMSAP005.


*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 PRODUCT_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/1CN/ACMSAP005-PRODUCT_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/1CN/ACMSAP005-PRODUCT_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field POINT_PRICE_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/1CN/ACMSAP005-POINT_PRICE_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/1CN/ACMSAP005-POINT_PRICE_UNIT.
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_/1CN/ACMSAP005_STR, 
CLIENT TYPE STRING,
SALES_ORG TYPE STRING,
DIS_CHANNEL TYPE STRING,
PRODUCT TYPE STRING,
LOY_POINT_TYPE TYPE STRING,
KSCHL TYPE STRING,
OBJECT_ID TYPE STRING,
TIMESTAMP_TO TYPE STRING,
RELEASE_STATUS TYPE STRING,
KOPOS TYPE STRING,
CREATED_ON TYPE STRING,
VARNUMH TYPE STRING,
TIMESTAMP_FROM TYPE STRING,
KSCHL_SUPP TYPE STRING,
COND_GROUP_ID TYPE STRING,
MAINT_STATUS TYPE STRING,
CREATED_BY TYPE STRING,
SUPP_EXIST TYPE STRING,
SCALE_DIM TYPE STRING,
PRODUCT_QUANTITY TYPE STRING,
PRODUCT_UOM TYPE STRING,
POINT_PRICE_AMT TYPE STRING,
POINT_MAX_AMT TYPE STRING,
POINT_MIN_AMT TYPE STRING,
POINT_PRICE_UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/1CN/ACMSAP005_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_/1CN/ACMSAP005_STR-CLIENT sy-vline 
WA_/1CN/ACMSAP005_STR-SALES_ORG sy-vline 
WA_/1CN/ACMSAP005_STR-DIS_CHANNEL sy-vline 
WA_/1CN/ACMSAP005_STR-PRODUCT sy-vline 
WA_/1CN/ACMSAP005_STR-LOY_POINT_TYPE sy-vline 
WA_/1CN/ACMSAP005_STR-KSCHL sy-vline 
WA_/1CN/ACMSAP005_STR-OBJECT_ID sy-vline 
WA_/1CN/ACMSAP005_STR-TIMESTAMP_TO sy-vline 
WA_/1CN/ACMSAP005_STR-RELEASE_STATUS sy-vline 
WA_/1CN/ACMSAP005_STR-KOPOS sy-vline 
WA_/1CN/ACMSAP005_STR-CREATED_ON sy-vline 
WA_/1CN/ACMSAP005_STR-VARNUMH sy-vline 
WA_/1CN/ACMSAP005_STR-TIMESTAMP_FROM sy-vline 
WA_/1CN/ACMSAP005_STR-KSCHL_SUPP sy-vline 
WA_/1CN/ACMSAP005_STR-COND_GROUP_ID sy-vline 
WA_/1CN/ACMSAP005_STR-MAINT_STATUS sy-vline 
WA_/1CN/ACMSAP005_STR-CREATED_BY sy-vline 
WA_/1CN/ACMSAP005_STR-SUPP_EXIST sy-vline 
WA_/1CN/ACMSAP005_STR-SCALE_DIM sy-vline 
WA_/1CN/ACMSAP005_STR-PRODUCT_QUANTITY sy-vline 
WA_/1CN/ACMSAP005_STR-PRODUCT_UOM sy-vline 
WA_/1CN/ACMSAP005_STR-POINT_PRICE_AMT sy-vline 
WA_/1CN/ACMSAP005_STR-POINT_MAX_AMT sy-vline 
WA_/1CN/ACMSAP005_STR-POINT_MIN_AMT sy-vline 
WA_/1CN/ACMSAP005_STR-POINT_PRICE_UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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