ABAP Select data from SAP table IQLTYCERTPFC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IQLTYCERTPFC
*  INTO TABLE @DATA(IT_IQLTYCERTPFC2).
*--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_IQLTYCERTPFC INDEX 1 INTO DATA(WA_IQLTYCERTPFC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IQLTYCERTPFC>-MANDT = 1.
<IQLTYCERTPFC>-QUALITYCERTIFICATETYPE = 1.
<IQLTYCERTPFC>-QLTYCERTIFICATEPROFILE = 1.
<IQLTYCERTPFC>-QLTYCERTPROFILEVERSION = 1.
<IQLTYCERTPFC>-QLTYCERTPRFLGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IQLTYCERTPFC-QLTYCERTPRFLCHARACTERISTIC, sy-vline,
  WA_IQLTYCERTPFC-QLTYCERTPRFLCHARCSORTNUMBER, sy-vline,
  WA_IQLTYCERTPFC-QLTYCERTPRFLTEXTELEMENT, sy-vline,
  WA_IQLTYCERTPFC-QLTYCERTPRFLCHARCTYPE, sy-vline,
  WA_IQLTYCERTPFC-INSPECTIONSPECIFICATIONPLANT, sy-vline,
  WA_IQLTYCERTPFC-INSPECTIONSPECIFICATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IQLTYCERTPFC 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_IQLTYCERTPFC 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_IQLTYCERTPFC INTO WA_IQLTYCERTPFC.


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

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

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

*Conversion exit ATINN, internal->external for field CHARACTERISTICINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_IQLTYCERTPFC-CHARACTERISTICINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IQLTYCERTPFC-CHARACTERISTICINTERNALID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field INSPSPECGLOBALNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IQLTYCERTPFC-INSPSPECGLOBALNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IQLTYCERTPFC-INSPSPECGLOBALNAME.
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_IQLTYCERTPFC_STR, 
MANDT TYPE STRING,
QUALITYCERTIFICATETYPE TYPE STRING,
QLTYCERTIFICATEPROFILE TYPE STRING,
QLTYCERTPROFILEVERSION TYPE STRING,
QLTYCERTPRFLGROUP TYPE STRING,
QLTYCERTPRFLCHARACTERISTIC TYPE STRING,
QLTYCERTPRFLCHARCSORTNUMBER TYPE STRING,
QLTYCERTPRFLTEXTELEMENT TYPE STRING,
QLTYCERTPRFLCHARCTYPE TYPE STRING,
INSPECTIONSPECIFICATIONPLANT TYPE STRING,
INSPECTIONSPECIFICATION TYPE STRING,
INSPECTIONSPECIFICATIONVERSION TYPE STRING,
CHARACTERISTICINTERNALID TYPE STRING,
CHARCINTERNALID TYPE STRING,
QLTYCERTPRFLCHARCVALUEORIGIN TYPE STRING,
QLTYCERTPRFLCHARCTEXTORIGIN TYPE STRING,
QLTYCERTPRFLCHARCFORMAT TYPE STRING,
QLTYCERTPRFLCHARCMETHODOUTPUT TYPE STRING,
QLTYCERTPRFLCHARCLEVEL TYPE STRING,
QLTYCERTPRFLCHARCSPECORIGIN TYPE STRING,
QLTYCERTPRFLCHARCSKIPOUTPUT TYPE STRING,
INSPECTIONSPECIFICATIONUNIT TYPE STRING,
QLTYCERTPRFLCHARCOUTPUTLENGTH TYPE STRING,
QLTYCERTPRFLCHARCDECIMALS TYPE STRING,
QLTYCERTPRFLCHARCISEXPONENTIAL TYPE STRING,
QLTYCERTPRFLCHARCOUTOFSPECOUTP TYPE STRING,
QLTYCERTPRFLCHARCISREQUIRED TYPE STRING,
QLTYCERTPRFLMATERIALSORTNUMBER TYPE STRING,
QLTYCERTPRFLCHARCHASCOLUMN TYPE STRING,
QLTYCERTPRFLCHARCCOLUMNS TYPE STRING,
INSPSPECGLOBALNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IQLTYCERTPFC_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_IQLTYCERTPFC_STR-MANDT sy-vline 
WA_IQLTYCERTPFC_STR-QUALITYCERTIFICATETYPE sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTIFICATEPROFILE sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPROFILEVERSION sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLGROUP sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARACTERISTIC sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCSORTNUMBER sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLTEXTELEMENT sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCTYPE sy-vline 
WA_IQLTYCERTPFC_STR-INSPECTIONSPECIFICATIONPLANT sy-vline 
WA_IQLTYCERTPFC_STR-INSPECTIONSPECIFICATION sy-vline 
WA_IQLTYCERTPFC_STR-INSPECTIONSPECIFICATIONVERSION sy-vline 
WA_IQLTYCERTPFC_STR-CHARACTERISTICINTERNALID sy-vline 
WA_IQLTYCERTPFC_STR-CHARCINTERNALID sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCVALUEORIGIN sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCTEXTORIGIN sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCFORMAT sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCMETHODOUTPUT sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCLEVEL sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCSPECORIGIN sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCSKIPOUTPUT sy-vline 
WA_IQLTYCERTPFC_STR-INSPECTIONSPECIFICATIONUNIT sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCOUTPUTLENGTH sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCDECIMALS sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCISEXPONENTIAL sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCOUTOFSPECOUTP sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCISREQUIRED sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLMATERIALSORTNUMBER sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCHASCOLUMN sy-vline 
WA_IQLTYCERTPFC_STR-QLTYCERTPRFLCHARCCOLUMNS sy-vline 
WA_IQLTYCERTPFC_STR-INSPSPECGLOBALNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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