ABAP Select data from SAP table MMPUR_S_RFQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_RFQ
*  INTO TABLE @DATA(IT_MMPUR_S_RFQ2).
*--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_MMPUR_S_RFQ INDEX 1 INTO DATA(WA_MMPUR_S_RFQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_RFQ>-CONTROLLER = 1.
<MMPUR_S_RFQ>-REQUEST_FOR_QUOTATION_ID = 1.
<MMPUR_S_RFQ>-REQUEST_FOR_QUOTATION_NAME = 1.
<MMPUR_S_RFQ>-RFQDOCUMENT_TYPE = 1.
<MMPUR_S_RFQ>-LANGUAGE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_RFQ-RFQCREATION_DATE, sy-vline,
  WA_MMPUR_S_RFQ-RFQPUBLISHING_DATE, sy-vline,
  WA_MMPUR_S_RFQ-QTN_LATEST_SUBMISSION_DATE, sy-vline,
  WA_MMPUR_S_RFQ-QTN_EARLIEST_SUBMISSION_DATE, sy-vline,
  WA_MMPUR_S_RFQ-BINDING_PERIOD_VLDTY_END_DATE, sy-vline,
  WA_MMPUR_S_RFQ-LATEST_REGISTRATION_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_RFQ 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_MMPUR_S_RFQ 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_MMPUR_S_RFQ INTO WA_MMPUR_S_RFQ.


*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_MMPUR_S_RFQ_STR, 
CONTROLLER TYPE STRING,
REQUEST_FOR_QUOTATION_ID TYPE STRING,
REQUEST_FOR_QUOTATION_NAME TYPE STRING,
RFQDOCUMENT_TYPE TYPE STRING,
LANGUAGE TYPE STRING,
RFQCREATION_DATE TYPE STRING,
RFQPUBLISHING_DATE TYPE STRING,
QTN_LATEST_SUBMISSION_DATE TYPE STRING,
QTN_EARLIEST_SUBMISSION_DATE TYPE STRING,
BINDING_PERIOD_VLDTY_END_DATE TYPE STRING,
LATEST_REGISTRATION_DATE TYPE STRING,
DOCUMENT_CURRENCY TYPE STRING,
COMPANY_CODE TYPE STRING,
PURCHASING_ORGANIZATION TYPE STRING,
PURCHASING_GROUP TYPE STRING,
PARTY TYPE STRING,
HEADER_INCOTERMS TYPE STRING,
CONTROLLER TYPE STRING,
INCOTERMS_CLASSIFICATION TYPE STRING,
INCOTERMS_TRANSFER_LOCATION TYPE STRING,
INCOTERMS_VERSION TYPE STRING,
INCOTERMS_LOCATION1 TYPE STRING,
INCOTERMS_LOCATION2 TYPE STRING,
PAYMENT_TERMS TYPE STRING,
CONTROLLER TYPE STRING,
PAYMENT_TERMS_ID TYPE STRING,
CASH_DISCOUNT1PERCENT TYPE STRING,
CASH_DISCOUNT1DAYS TYPE STRING,
CASH_DISCOUNT2PERCENT TYPE STRING,
CASH_DISCOUNT2DAYS TYPE STRING,
NET_PAYMENT_DAYS TYPE STRING,
TARGET_AMOUNT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CONTENT TYPE STRING,
PURCONTR_VALIDITY_START_DATE TYPE STRING,
PURCONTR_VALIDITY_END_DATE TYPE STRING,
FOLLOW_ON_DOCUMENT_CATEGORY TYPE STRING,
FOLLOW_ON_DOCUMENT_TYPE TYPE STRING,
TEXT_COLLECTION TYPE STRING,
ATTACHMENT TYPE STRING,
REQUEST_FOR_QUOTATION_ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_RFQ_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_MMPUR_S_RFQ_STR-CONTROLLER sy-vline 
WA_MMPUR_S_RFQ_STR-REQUEST_FOR_QUOTATION_ID sy-vline 
WA_MMPUR_S_RFQ_STR-REQUEST_FOR_QUOTATION_NAME sy-vline 
WA_MMPUR_S_RFQ_STR-RFQDOCUMENT_TYPE sy-vline 
WA_MMPUR_S_RFQ_STR-LANGUAGE sy-vline 
WA_MMPUR_S_RFQ_STR-RFQCREATION_DATE sy-vline 
WA_MMPUR_S_RFQ_STR-RFQPUBLISHING_DATE sy-vline 
WA_MMPUR_S_RFQ_STR-QTN_LATEST_SUBMISSION_DATE sy-vline 
WA_MMPUR_S_RFQ_STR-QTN_EARLIEST_SUBMISSION_DATE sy-vline 
WA_MMPUR_S_RFQ_STR-BINDING_PERIOD_VLDTY_END_DATE sy-vline 
WA_MMPUR_S_RFQ_STR-LATEST_REGISTRATION_DATE sy-vline 
WA_MMPUR_S_RFQ_STR-DOCUMENT_CURRENCY sy-vline 
WA_MMPUR_S_RFQ_STR-COMPANY_CODE sy-vline 
WA_MMPUR_S_RFQ_STR-PURCHASING_ORGANIZATION sy-vline 
WA_MMPUR_S_RFQ_STR-PURCHASING_GROUP sy-vline 
WA_MMPUR_S_RFQ_STR-PARTY sy-vline 
WA_MMPUR_S_RFQ_STR-HEADER_INCOTERMS sy-vline 
WA_MMPUR_S_RFQ_STR-CONTROLLER sy-vline 
WA_MMPUR_S_RFQ_STR-INCOTERMS_CLASSIFICATION sy-vline 
WA_MMPUR_S_RFQ_STR-INCOTERMS_TRANSFER_LOCATION sy-vline 
WA_MMPUR_S_RFQ_STR-INCOTERMS_VERSION sy-vline 
WA_MMPUR_S_RFQ_STR-INCOTERMS_LOCATION1 sy-vline 
WA_MMPUR_S_RFQ_STR-INCOTERMS_LOCATION2 sy-vline 
WA_MMPUR_S_RFQ_STR-PAYMENT_TERMS sy-vline 
WA_MMPUR_S_RFQ_STR-CONTROLLER sy-vline 
WA_MMPUR_S_RFQ_STR-PAYMENT_TERMS_ID sy-vline 
WA_MMPUR_S_RFQ_STR-CASH_DISCOUNT1PERCENT sy-vline 
WA_MMPUR_S_RFQ_STR-CASH_DISCOUNT1DAYS sy-vline 
WA_MMPUR_S_RFQ_STR-CASH_DISCOUNT2PERCENT sy-vline 
WA_MMPUR_S_RFQ_STR-CASH_DISCOUNT2DAYS sy-vline 
WA_MMPUR_S_RFQ_STR-NET_PAYMENT_DAYS sy-vline 
WA_MMPUR_S_RFQ_STR-TARGET_AMOUNT sy-vline 
WA_MMPUR_S_RFQ_STR-CONTROLLER sy-vline 
WA_MMPUR_S_RFQ_STR-CURRENCY_CODE sy-vline 
WA_MMPUR_S_RFQ_STR-CONTENT sy-vline 
WA_MMPUR_S_RFQ_STR-PURCONTR_VALIDITY_START_DATE sy-vline 
WA_MMPUR_S_RFQ_STR-PURCONTR_VALIDITY_END_DATE sy-vline 
WA_MMPUR_S_RFQ_STR-FOLLOW_ON_DOCUMENT_CATEGORY sy-vline 
WA_MMPUR_S_RFQ_STR-FOLLOW_ON_DOCUMENT_TYPE sy-vline 
WA_MMPUR_S_RFQ_STR-TEXT_COLLECTION sy-vline 
WA_MMPUR_S_RFQ_STR-ATTACHMENT sy-vline 
WA_MMPUR_S_RFQ_STR-REQUEST_FOR_QUOTATION_ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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