ABAP Select data from SAP table FKK_PIQ_CORR_ADM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_PIQ_CORR_ADM
*  INTO TABLE @DATA(IT_FKK_PIQ_CORR_ADM2).
*--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_FKK_PIQ_CORR_ADM INDEX 1 INTO DATA(WA_FKK_PIQ_CORR_ADM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_PIQ_CORR_ADM>-R_COTYP = 1.
<FKK_PIQ_CORR_ADM>-R_UNAME = 1.
<FKK_PIQ_CORR_ADM>-R_CDATE = 1.
<FKK_PIQ_CORR_ADM>-R_LAUFD = 1.
<FKK_PIQ_CORR_ADM>-R_LAUFI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_PIQ_CORR_ADM-RDI, sy-vline,
  WA_FKK_PIQ_CORR_ADM-REALPRINT, sy-vline,
  WA_FKK_PIQ_CORR_ADM-REPRINT, sy-vline,
  WA_FKK_PIQ_CORR_ADM-TESTPRINT, sy-vline,
  WA_FKK_PIQ_CORR_ADM-LAST_DOC_ACT, sy-vline,
  WA_FKK_PIQ_CORR_ADM-TDPAGESLCT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_PIQ_CORR_ADM 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_FKK_PIQ_CORR_ADM 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_FKK_PIQ_CORR_ADM INTO WA_FKK_PIQ_CORR_ADM.


*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 SPDEV, internal->external for field TDDEST
CALL FUNCTION 'CONVERSION_EXIT_SPDEV_OUTPUT'
  EXPORTING
    input =                      WA_FKK_PIQ_CORR_ADM-TDDEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_PIQ_CORR_ADM-TDDEST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPDEV, internal->external for field TDRDIDEV
CALL FUNCTION 'CONVERSION_EXIT_SPDEV_OUTPUT'
  EXPORTING
    input =                      WA_FKK_PIQ_CORR_ADM-TDRDIDEV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_PIQ_CORR_ADM-TDRDIDEV.
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_FKK_PIQ_CORR_ADM_STR, 
R_COTYP TYPE STRING,
R_UNAME TYPE STRING,
R_CDATE TYPE STRING,
R_LAUFD TYPE STRING,
R_LAUFI TYPE STRING,
RDI TYPE STRING,
REALPRINT TYPE STRING,
REPRINT TYPE STRING,
TESTPRINT TYPE STRING,
LAST_DOC_ACT TYPE STRING,
TDPAGESLCT TYPE STRING,
TDCOPIES TYPE STRING,
TDDEST TYPE STRING,
TDPRINTER TYPE STRING,
TDPREVIEW TYPE STRING,
TDNOPREV TYPE STRING,
TDNOPRINT TYPE STRING,
TDNEWID TYPE STRING,
TDDATASET TYPE STRING,
TDSUFFIX1 TYPE STRING,
TDSUFFIX2 TYPE STRING,
TDIMMED TYPE STRING,
TDDELETE TYPE STRING,
TDLIFETIME TYPE STRING,
TDSCHEDULE TYPE STRING,
TDSENDDATE TYPE STRING,
TDSENDTIME TYPE STRING,
TDTELELAND TYPE STRING,
TDTELENUM TYPE STRING,
TDTITLE TYPE STRING,
TDTEST TYPE STRING,
TDPROGRAM TYPE STRING,
TDSCRNPOS TYPE STRING,
TDCOVER TYPE STRING,
TDCOVTITLE TYPE STRING,
TDRECEIVER TYPE STRING,
TDDIVISION TYPE STRING,
TDAUTORITY TYPE STRING,
TDARMOD TYPE STRING,
TDIEXIT TYPE STRING,
TDGETOTF TYPE STRING,
TDFAXUSER TYPE STRING,
TDRDIDEV TYPE STRING,
TDNOARMCH TYPE STRING,
TDFINAL TYPE STRING,
RQPOSNAME TYPE STRING,
BCS_REQST TYPE STRING,
BCS_STATUS TYPE STRING,
PRINTTICKET TYPE STRING,
XSF TYPE STRING,
XFP TYPE STRING,
OCL_INACTIVE TYPE STRING,
R_DATA1 TYPE STRING,
R_DATA2 TYPE STRING,
R_DATA3 TYPE STRING,
R_DATA4 TYPE STRING,
R_DATA5 TYPE STRING,
R_DATA6 TYPE STRING,
R_DATA7 TYPE STRING,
R_DATA8 TYPE STRING,
R_DATA9 TYPE STRING,
R_DATA10 TYPE STRING,
R_FORMK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_PIQ_CORR_ADM_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_FKK_PIQ_CORR_ADM_STR-R_COTYP sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_UNAME sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_CDATE sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_LAUFD sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_LAUFI sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-RDI sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-REALPRINT sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-REPRINT sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TESTPRINT sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-LAST_DOC_ACT sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDPAGESLCT sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDCOPIES sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDDEST sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDPRINTER sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDPREVIEW sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDNOPREV sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDNOPRINT sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDNEWID sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDDATASET sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDSUFFIX1 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDSUFFIX2 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDIMMED sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDDELETE sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDLIFETIME sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDSCHEDULE sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDSENDDATE sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDSENDTIME sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDTELELAND sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDTELENUM sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDTITLE sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDTEST sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDPROGRAM sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDSCRNPOS sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDCOVER sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDCOVTITLE sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDRECEIVER sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDDIVISION sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDAUTORITY sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDARMOD sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDIEXIT sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDGETOTF sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDFAXUSER sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDRDIDEV sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDNOARMCH sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-TDFINAL sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-RQPOSNAME sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-BCS_REQST sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-BCS_STATUS sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-PRINTTICKET sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-XSF sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-XFP sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-OCL_INACTIVE sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA1 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA2 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA3 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA4 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA5 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA6 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA7 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA8 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA9 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_DATA10 sy-vline 
WA_FKK_PIQ_CORR_ADM_STR-R_FORMK sy-vline      INTO ld_text SEPARATED BY SPACE.

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