ABAP Select data from SAP table RJKSDCQPMAINTAIN_PRIO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKSDCQPMAINTAIN_PRIO
*  INTO TABLE @DATA(IT_RJKSDCQPMAINTAIN_PRIO2).
*--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_RJKSDCQPMAINTAIN_PRIO INDEX 1 INTO DATA(WA_RJKSDCQPMAINTAIN_PRIO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJKSDCQPMAINTAIN_PRIO>-MANDT = 1.
<RJKSDCQPMAINTAIN_PRIO>-VBELN = 1.
<RJKSDCQPMAINTAIN_PRIO>-POSNR = 1.
<RJKSDCQPMAINTAIN_PRIO>-AUART = 1.
<RJKSDCQPMAINTAIN_PRIO>-MEDIAPRODUCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKSDCQPMAINTAIN_PRIO-PRODUCT_TEXT, sy-vline,
  WA_RJKSDCQPMAINTAIN_PRIO-SHIPTO, sy-vline,
  WA_RJKSDCQPMAINTAIN_PRIO-NAME, sy-vline,
  WA_RJKSDCQPMAINTAIN_PRIO-DATE_FROM, sy-vline,
  WA_RJKSDCQPMAINTAIN_PRIO-DATE_TO, sy-vline,
  WA_RJKSDCQPMAINTAIN_PRIO-SERVICETYPE_TEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJKSDCQPMAINTAIN_PRIO 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_RJKSDCQPMAINTAIN_PRIO 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_RJKSDCQPMAINTAIN_PRIO INTO WA_RJKSDCQPMAINTAIN_PRIO.


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

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDCQPMAINTAIN_PRIO-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDCQPMAINTAIN_PRIO-AUART.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDCQPMAINTAIN_PRIO-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDCQPMAINTAIN_PRIO-UNIT.
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_RJKSDCQPMAINTAIN_PRIO_STR, 
MANDT TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
AUART TYPE STRING,
MEDIAPRODUCT TYPE STRING,
PRODUCT_TEXT TYPE STRING,
SHIPTO TYPE STRING,
NAME TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
SERVICETYPE_TEXT TYPE STRING,
STATUSICON TYPE STRING,
SUPPLYSTATUS_TEXT TYPE STRING,
CHANGETYPEICON TYPE STRING,
TEXT_WEEKDAY TYPE STRING,
ISMPERIODTXT TYPE STRING,
MATKL TYPE STRING,
ISMMEDIATYPE TYPE STRING,
ACTIVE TYPE STRING,
STATE_ICON TYPE STRING,
QUANTITY TYPE STRING,
XFIXCQP TYPE STRING,
QUANTITY1 TYPE STRING,
QUANTITY2 TYPE STRING,
QUANTITY3 TYPE STRING,
QUANTITY4 TYPE STRING,
QUANTITY5 TYPE STRING,
QUANTITY6 TYPE STRING,
QUANTITY7 TYPE STRING,
QUANTITY8 TYPE STRING,
QUANTITY9 TYPE STRING,
UNIT TYPE STRING,
REASON TYPE STRING,
COMMENTTEXT TYPE STRING,
SERVICETYPE TYPE STRING,
WEEKDAY TYPE STRING,
STATUS TYPE STRING,
CHANGETYPE TYPE STRING,
GUID TYPE STRING,
SUPPLYSTATUS TYPE STRING,
GUID_MAP TYPE STRING,
COL_TAB TYPE STRING,
LINECOLOR TYPE STRING,
LOCKEDBYUSER TYPE STRING,
ERFUSER TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
AENUSER TYPE STRING,
AENDATE TYPE STRING,
AENTIME TYPE STRING,
JFIXPRIORITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKSDCQPMAINTAIN_PRIO_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_RJKSDCQPMAINTAIN_PRIO_STR-MANDT sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-VBELN sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-POSNR sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-AUART sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-MEDIAPRODUCT sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-PRODUCT_TEXT sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-SHIPTO sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-NAME sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-DATE_FROM sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-DATE_TO sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-SERVICETYPE_TEXT sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-STATUSICON sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-SUPPLYSTATUS_TEXT sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-CHANGETYPEICON sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-TEXT_WEEKDAY sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-ISMPERIODTXT sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-MATKL sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-ISMMEDIATYPE sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-ACTIVE sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-STATE_ICON sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-XFIXCQP sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY1 sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY2 sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY3 sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY4 sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY5 sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY6 sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY7 sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY8 sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-QUANTITY9 sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-UNIT sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-REASON sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-COMMENTTEXT sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-SERVICETYPE sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-WEEKDAY sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-STATUS sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-CHANGETYPE sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-GUID sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-SUPPLYSTATUS sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-GUID_MAP sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-COL_TAB sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-LINECOLOR sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-LOCKEDBYUSER sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-ERFUSER sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-ERFDATE sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-ERFTIME sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-AENUSER sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-AENDATE sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-AENTIME sy-vline 
WA_RJKSDCQPMAINTAIN_PRIO_STR-JFIXPRIORITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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