ABAP Select data from SAP table UPARO_YS_PRODUCT_ASSIGNMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UPARO_YS_PRODUCT_ASSIGNMENT
*  INTO TABLE @DATA(IT_UPARO_YS_PRODUCT_ASSIGNMENT2).
*--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_UPARO_YS_PRODUCT_ASSIGNMENT INDEX 1 INTO DATA(WA_UPARO_YS_PRODUCT_ASSIGNMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UPARO_YS_PRODUCT_ASSIGNMENT>-SEQUENCE_NUMBER = 1.
<UPARO_YS_PRODUCT_ASSIGNMENT>-ARTICLE_ID = 1.
<UPARO_YS_PRODUCT_ASSIGNMENT>-ARTICLE_DESCRIPTION = 1.
<UPARO_YS_PRODUCT_ASSIGNMENT>-TEXT = 1.
<UPARO_YS_PRODUCT_ASSIGNMENT>-LANGU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UPARO_YS_PRODUCT_ASSIGNMENT-BASE_UOM, sy-vline,
  WA_UPARO_YS_PRODUCT_ASSIGNMENT-HEIGHT, sy-vline,
  WA_UPARO_YS_PRODUCT_ASSIGNMENT-LENGTH, sy-vline,
  WA_UPARO_YS_PRODUCT_ASSIGNMENT-WIDTH, sy-vline,
  WA_UPARO_YS_PRODUCT_ASSIGNMENT-DIMENSION_UNIT, sy-vline,
  WA_UPARO_YS_PRODUCT_ASSIGNMENT-EANUPC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UPARO_YS_PRODUCT_ASSIGNMENT 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_UPARO_YS_PRODUCT_ASSIGNMENT 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_UPARO_YS_PRODUCT_ASSIGNMENT INTO WA_UPARO_YS_PRODUCT_ASSIGNMENT.


*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 MATN1, internal->external for field ARTICLE_ID
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_UPARO_YS_PRODUCT_ASSIGNMENT-ARTICLE_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPARO_YS_PRODUCT_ASSIGNMENT-ARTICLE_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_UPARO_YS_PRODUCT_ASSIGNMENT-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPARO_YS_PRODUCT_ASSIGNMENT-LANGU.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit MATN1, internal->external for field CONF_MATL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_UPARO_YS_PRODUCT_ASSIGNMENT-CONF_MATL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPARO_YS_PRODUCT_ASSIGNMENT-CONF_MATL.
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_UPARO_YS_PRODUCT_ASSIGNMENT_STR, 
SEQUENCE_NUMBER TYPE STRING,
ARTICLE_ID TYPE STRING,
ARTICLE_DESCRIPTION TYPE STRING,
TEXT TYPE STRING,
LANGU TYPE STRING,
BASE_UOM TYPE STRING,
HEIGHT TYPE STRING,
LENGTH TYPE STRING,
WIDTH TYPE STRING,
DIMENSION_UNIT TYPE STRING,
EANUPC TYPE STRING,
MERCHANDISE_CATEGORY TYPE STRING,
ARTICLE_CATEGORY TYPE STRING,
FACINGS TYPE STRING,
FRONTS TYPE STRING,
FIXTURE_ASSIGNMENT_NUMBER TYPE STRING,
SALES_PRICE TYPE STRING,
SALES_PRICE_CURRENCY TYPE STRING,
PURCHASE_PRICE TYPE STRING,
PURCHASE_PRICE_CURRENCY TYPE STRING,
SORT_SEQUENCE TYPE STRING,
MIN_PRESENTATION_QTY TYPE STRING,
MAX_PRESENTATION_QTY TYPE STRING,
OPT_PRESENTATION_QTY TYPE STRING,
UNIT TYPE STRING,
USED_SPACE TYPE STRING,
WEIGHTED_SPACE_OPT_INDEX TYPE STRING,
LABEL_TYPE TYPE STRING,
NUMBER_OF_LABELS TYPE STRING,
CONF_MATL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UPARO_YS_PRODUCT_ASSIGNMENT_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_UPARO_YS_PRODUCT_ASSIGNMENT_STR-SEQUENCE_NUMBER sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-ARTICLE_ID sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-ARTICLE_DESCRIPTION sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-TEXT sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-LANGU sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-BASE_UOM sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-HEIGHT sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-LENGTH sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-WIDTH sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-DIMENSION_UNIT sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-EANUPC sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-MERCHANDISE_CATEGORY sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-ARTICLE_CATEGORY sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-FACINGS sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-FRONTS sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-FIXTURE_ASSIGNMENT_NUMBER sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-SALES_PRICE sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-SALES_PRICE_CURRENCY sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-PURCHASE_PRICE sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-PURCHASE_PRICE_CURRENCY sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-SORT_SEQUENCE sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-MIN_PRESENTATION_QTY sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-MAX_PRESENTATION_QTY sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-OPT_PRESENTATION_QTY sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-UNIT sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-USED_SPACE sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-WEIGHTED_SPACE_OPT_INDEX sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-LABEL_TYPE sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-NUMBER_OF_LABELS sy-vline 
WA_UPARO_YS_PRODUCT_ASSIGNMENT_STR-CONF_MATL sy-vline      INTO ld_text SEPARATED BY SPACE.

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