ABAP Select data from SAP table TDS_ME_CRFQ_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TDS_ME_CRFQ_ITEM
*  INTO TABLE @DATA(IT_TDS_ME_CRFQ_ITEM2).
*--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_TDS_ME_CRFQ_ITEM INDEX 1 INTO DATA(WA_TDS_ME_CRFQ_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TDS_ME_CRFQ_ITEM>-MANDT = 1.
<TDS_ME_CRFQ_ITEM>-CENTRALREQUESTFORQUOTATION = 1.
<TDS_ME_CRFQ_ITEM>-CENTRALREQUESTFORQUOTATIONITEM = 1.
<TDS_ME_CRFQ_ITEM>-MATERIAL = 1.
<TDS_ME_CRFQ_ITEM>-PURCHASINGDOCUMENTITEMTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TDS_ME_CRFQ_ITEM-QUANTITY, sy-vline,
  WA_TDS_ME_CRFQ_ITEM-QUANTITYUNIT, sy-vline,
  WA_TDS_ME_CRFQ_ITEM-QUANTITYUNITDESCRIPTION, sy-vline,
  WA_TDS_ME_CRFQ_ITEM-DELIVERYDATE, sy-vline,
  WA_TDS_ME_CRFQ_ITEM-MATERIALGROUPID, sy-vline,
  WA_TDS_ME_CRFQ_ITEM-MATERIALGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TDS_ME_CRFQ_ITEM 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_TDS_ME_CRFQ_ITEM 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_TDS_ME_CRFQ_ITEM INTO WA_TDS_ME_CRFQ_ITEM.


*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 CENTRALREQUESTFORQUOTATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TDS_ME_CRFQ_ITEM-CENTRALREQUESTFORQUOTATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_ME_CRFQ_ITEM-CENTRALREQUESTFORQUOTATION.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field SHIPTOADDRESSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TDS_ME_CRFQ_ITEM-SHIPTOADDRESSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_ME_CRFQ_ITEM-SHIPTOADDRESSID.
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_TDS_ME_CRFQ_ITEM_STR, 
MANDT TYPE STRING,
CENTRALREQUESTFORQUOTATION TYPE STRING,
CENTRALREQUESTFORQUOTATIONITEM TYPE STRING,
MATERIAL TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
QUANTITY TYPE STRING,
QUANTITYUNIT TYPE STRING,
QUANTITYUNITDESCRIPTION TYPE STRING,
DELIVERYDATE TYPE STRING,
MATERIALGROUPID TYPE STRING,
MATERIALGROUP TYPE STRING,
SHIPTOADDRESSID TYPE STRING,
SHIPTO TYPE STRING,
DUMMY_EKPO_INCL_EEW_TR TYPE STRING,
DUMMY_EKPO_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TDS_ME_CRFQ_ITEM_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_TDS_ME_CRFQ_ITEM_STR-MANDT sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-CENTRALREQUESTFORQUOTATION sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-CENTRALREQUESTFORQUOTATIONITEM sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-MATERIAL sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-QUANTITY sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-QUANTITYUNIT sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-QUANTITYUNITDESCRIPTION sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-DELIVERYDATE sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-MATERIALGROUPID sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-MATERIALGROUP sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-SHIPTOADDRESSID sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-SHIPTO sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-DUMMY_EKPO_INCL_EEW_TR sy-vline 
WA_TDS_ME_CRFQ_ITEM_STR-DUMMY_EKPO_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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