ABAP Select data from SAP table WART_MERCHANDISE001QR_QRY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP WART_MERCHANDISE001QR_QRY 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 WART_MERCHANDISE001QR_QRY. 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 WART_MERCHANDISE001QR_QRY 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_WART_MERCHANDISE001QR_QRY TYPE STANDARD TABLE OF WART_MERCHANDISE001QR_QRY,
      WA_WART_MERCHANDISE001QR_QRY TYPE WART_MERCHANDISE001QR_QRY,
      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: <WART_MERCHANDISE001QR_QRY> TYPE WART_MERCHANDISE001QR_QRY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_WART_MERCHANDISE001QR_QRY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM WART_MERCHANDISE001QR_QRY
  INTO TABLE IT_WART_MERCHANDISE001QR_QRY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WART_MERCHANDISE001QR_QRY
*  INTO TABLE @DATA(IT_WART_MERCHANDISE001QR_QRY2).
*--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_WART_MERCHANDISE001QR_QRY INDEX 1 INTO DATA(WA_WART_MERCHANDISE001QR_QRY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_WART_MERCHANDISE001QR_QRY ASSIGNING <WART_MERCHANDISE001QR_QRY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WART_MERCHANDISE001QR_QRY>-CONTROLLER = 1.
<WART_MERCHANDISE001QR_QRY>-MERCHANDISE_ERPBY_ELEMENTS_QUE = 1.
<WART_MERCHANDISE001QR_QRY>-CONTROLLER = 1.
<WART_MERCHANDISE001QR_QRY>-MERCHANDISE_ERPSELECTION_BY_EL = 1.
<WART_MERCHANDISE001QR_QRY>-CONTROLLER = 1.

ENDLOOP.

LOOP AT IT_WART_MERCHANDISE001QR_QRY INTO WA_WART_MERCHANDISE001QR_QRY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WART_MERCHANDISE001QR_QRY-SELECTION_BY_PRODUCT_INTERNAL, sy-vline,
  WA_WART_MERCHANDISE001QR_QRY-SELECTION_BY_PRODUCT_GTIN, sy-vline,
  WA_WART_MERCHANDISE001QR_QRY-SELECTION_BY_PRODUCT_DESCRIPTI, sy-vline,
  WA_WART_MERCHANDISE001QR_QRY-SELECTION_BY_MATERIAL_TYPE_COD, sy-vline,
  WA_WART_MERCHANDISE001QR_QRY-SELECTION_BY_MATERIAL_MERCHAND, sy-vline,
  WA_WART_MERCHANDISE001QR_QRY-SELECTION_BY_PRODUCT_CATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WART_MERCHANDISE001QR_QRY 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_WART_MERCHANDISE001QR_QRY 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_WART_MERCHANDISE001QR_QRY INTO WA_WART_MERCHANDISE001QR_QRY.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_WART_MERCHANDISE001QR_QRY_STR, 
CONTROLLER TYPE STRING,
MERCHANDISE_ERPBY_ELEMENTS_QUE TYPE STRING,
CONTROLLER TYPE STRING,
MERCHANDISE_ERPSELECTION_BY_EL TYPE STRING,
CONTROLLER TYPE STRING,
SELECTION_BY_PRODUCT_INTERNAL TYPE STRING,
SELECTION_BY_PRODUCT_GTIN TYPE STRING,
SELECTION_BY_PRODUCT_DESCRIPTI TYPE STRING,
SELECTION_BY_MATERIAL_TYPE_COD TYPE STRING,
SELECTION_BY_MATERIAL_MERCHAND TYPE STRING,
SELECTION_BY_PRODUCT_CATEGORY TYPE STRING,
SELECTION_BY_CONSUMER_PRODUCT TYPE STRING,
SELECTION_BY_PRODUCT_PRICE_BAN TYPE STRING,
SELECTION_BY_PRODUCT_SELLER_ID TYPE STRING,
SELECTION_BY_SELLER_ASSORTMENT TYPE STRING,
PURCHASING_ORGANISATION_ID TYPE STRING,
SALES_ORGANISATION_ID TYPE STRING,
DISTRIBUTION_CHANNEL_CODE TYPE STRING,
PLANT_ID TYPE STRING,
SELLER_INTERNAL_ID TYPE STRING,
CONSUMER_PRODUCT_GROUP_HIERARC TYPE STRING,
VALIDITY_DATE TYPE STRING,
POINT_OF_SALE_EXC TYPE STRING,
CONSUMER_PRODUCT_GROUP_EXC TYPE STRING,
CONFIGURABLE_MATERIAL_ASS_EXC TYPE STRING,
CONFIGURATION_PROPERTY_VAL_EXC TYPE STRING,
MEASURE_UNIT_CODE_EXC TYPE STRING,
TAX_CLASSIFICATION_EXC TYPE STRING,
PRODUCT_PROCUREMENT_ARR_EXC TYPE STRING,
BILL_OF_MATERIAL_EXCLUDED_INDI TYPE STRING,
SALES_PRICE_INFORMATION_EXC TYPE STRING,
PROCUREMENT_PRICE_INFO_EXC TYPE STRING,
CONSUMER_PRODUCT_GROUP_LEVEL TYPE STRING,
PROCESSING_CONDITIONS TYPE STRING,
CONTROLLER TYPE STRING,
QUERY_HITS_MAXIMUM_NUMBER_VALU TYPE STRING,
QUERY_HITS_UNLIMITED_INDICATOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WART_MERCHANDISE001QR_QRY_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_WART_MERCHANDISE001QR_QRY_STR-CONTROLLER sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-MERCHANDISE_ERPBY_ELEMENTS_QUE sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-CONTROLLER sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-MERCHANDISE_ERPSELECTION_BY_EL sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-CONTROLLER sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_PRODUCT_INTERNAL sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_PRODUCT_GTIN sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_PRODUCT_DESCRIPTI sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_MATERIAL_TYPE_COD sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_MATERIAL_MERCHAND sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_PRODUCT_CATEGORY sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_CONSUMER_PRODUCT sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_PRODUCT_PRICE_BAN sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_PRODUCT_SELLER_ID sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELECTION_BY_SELLER_ASSORTMENT sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-PURCHASING_ORGANISATION_ID sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SALES_ORGANISATION_ID sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-DISTRIBUTION_CHANNEL_CODE sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-PLANT_ID sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SELLER_INTERNAL_ID sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-CONSUMER_PRODUCT_GROUP_HIERARC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-VALIDITY_DATE sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-POINT_OF_SALE_EXC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-CONSUMER_PRODUCT_GROUP_EXC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-CONFIGURABLE_MATERIAL_ASS_EXC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-CONFIGURATION_PROPERTY_VAL_EXC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-MEASURE_UNIT_CODE_EXC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-TAX_CLASSIFICATION_EXC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-PRODUCT_PROCUREMENT_ARR_EXC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-BILL_OF_MATERIAL_EXCLUDED_INDI sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-SALES_PRICE_INFORMATION_EXC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-PROCUREMENT_PRICE_INFO_EXC sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-CONSUMER_PRODUCT_GROUP_LEVEL sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-PROCESSING_CONDITIONS sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-CONTROLLER sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-QUERY_HITS_MAXIMUM_NUMBER_VALU sy-vline 
WA_WART_MERCHANDISE001QR_QRY_STR-QUERY_HITS_UNLIMITED_INDICATOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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