ABAP Select data from SAP table IFRTAGRRFQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFRTAGRRFQ
*  INTO TABLE @DATA(IT_IFRTAGRRFQ2).
*--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_IFRTAGRRFQ INDEX 1 INTO DATA(WA_IFRTAGRRFQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFRTAGRRFQ>-MANDT = 1.
<IFRTAGRRFQ>-FRTAGRMTREQFORQUOTATIONUUID = 1.
<IFRTAGRRFQ>-TRANSPAGREEMENTRFQMASTERUUID = 1.
<IFRTAGRRFQ>-FREIGHTAGREEMENTRFQ = 1.
<IFRTAGRRFQ>-NUMBEROFRFQNEGOTIATIONROUND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFRTAGRRFQ-FREIGHTAGREEMENTRFQTYPE, sy-vline,
  WA_IFRTAGRRFQ-TRANSPAGRMTRFQSTARTDATETIME, sy-vline,
  WA_IFRTAGRRFQ-TRANSPAGRMTRFQENDDATETIME, sy-vline,
  WA_IFRTAGRRFQ-TRANSPAGRMTRFQRSPENDDATETIME, sy-vline,
  WA_IFRTAGRRFQ-AWARDCONFIRMATIONENDDATETIME, sy-vline,
  WA_IFRTAGRRFQ-TRANSPAGREEMENTTIMEZONE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFRTAGRRFQ 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_IFRTAGRRFQ 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_IFRTAGRRFQ INTO WA_IFRTAGRRFQ.


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

*Conversion exit ALPHA, internal->external for field NUMBEROFRFQNEGOTIATIONROUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFRTAGRRFQ-NUMBEROFRFQNEGOTIATIONROUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFRTAGRRFQ-NUMBEROFRFQNEGOTIATIONROUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFRTAGRRFQ-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFRTAGRRFQ-BUSINESSPARTNER.
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_IFRTAGRRFQ_STR, 
MANDT TYPE STRING,
FRTAGRMTREQFORQUOTATIONUUID TYPE STRING,
TRANSPAGREEMENTRFQMASTERUUID TYPE STRING,
FREIGHTAGREEMENTRFQ TYPE STRING,
NUMBEROFRFQNEGOTIATIONROUND TYPE STRING,
FREIGHTAGREEMENTRFQTYPE TYPE STRING,
TRANSPAGRMTRFQSTARTDATETIME TYPE STRING,
TRANSPAGRMTRFQENDDATETIME TYPE STRING,
TRANSPAGRMTRFQRSPENDDATETIME TYPE STRING,
AWARDCONFIRMATIONENDDATETIME TYPE STRING,
TRANSPAGREEMENTTIMEZONE TYPE STRING,
TRANSPAGREEMENTVALIDFROM TYPE STRING,
TRANSPAGREEMENTVALIDTO TYPE STRING,
TRANSPORTATIONAGREEMENTDOCCRCY TYPE STRING,
TRANSPAGREEMENTRFQSTATUS TYPE STRING,
TRANSPAGRMTDIMNWGTPROFILE TYPE STRING,
TRANSPORTATIONMODE TYPE STRING,
TRANSPORTATIONSHIPPINGTYPE TYPE STRING,
TRANSPAGRMTCREATEDONDATETIME TYPE STRING,
TRANSPAGREEMENTCREATEDBY TYPE STRING,
TRANSPAGRMTCHANGEDONDATETIME TYPE STRING,
TRANSPAGREEMENTCHANGEDBY TYPE STRING,
BUSINESSPARTNER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFRTAGRRFQ_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_IFRTAGRRFQ_STR-MANDT sy-vline 
WA_IFRTAGRRFQ_STR-FRTAGRMTREQFORQUOTATIONUUID sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGREEMENTRFQMASTERUUID sy-vline 
WA_IFRTAGRRFQ_STR-FREIGHTAGREEMENTRFQ sy-vline 
WA_IFRTAGRRFQ_STR-NUMBEROFRFQNEGOTIATIONROUND sy-vline 
WA_IFRTAGRRFQ_STR-FREIGHTAGREEMENTRFQTYPE sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGRMTRFQSTARTDATETIME sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGRMTRFQENDDATETIME sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGRMTRFQRSPENDDATETIME sy-vline 
WA_IFRTAGRRFQ_STR-AWARDCONFIRMATIONENDDATETIME sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGREEMENTTIMEZONE sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGREEMENTVALIDFROM sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGREEMENTVALIDTO sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPORTATIONAGREEMENTDOCCRCY sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGREEMENTRFQSTATUS sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGRMTDIMNWGTPROFILE sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPORTATIONMODE sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPORTATIONSHIPPINGTYPE sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGRMTCREATEDONDATETIME sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGREEMENTCREATEDBY sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGRMTCHANGEDONDATETIME sy-vline 
WA_IFRTAGRRFQ_STR-TRANSPAGREEMENTCHANGEDBY sy-vline 
WA_IFRTAGRRFQ_STR-BUSINESSPARTNER sy-vline      INTO ld_text SEPARATED BY SPACE.

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