ABAP Select data from SAP table QFOBJ_CNTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM QFOBJ_CNTR
*  INTO TABLE @DATA(IT_QFOBJ_CNTR2).
*--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_QFOBJ_CNTR INDEX 1 INTO DATA(WA_QFOBJ_CNTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<QFOBJ_CNTR>-QMNUM = 1.
<QFOBJ_CNTR>-TMP = 1.
<QFOBJ_CNTR>-FEART = 1.
<QFOBJ_CNTR>-SERIALNR = 1.
<QFOBJ_CNTR>-EQUNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_QFOBJ_CNTR-TPLNR, sy-vline,
  WA_QFOBJ_CNTR-PRUEFLOS, sy-vline,
  WA_QFOBJ_CNTR-PNLKN, sy-vline,
  WA_QFOBJ_CNTR-QMART, sy-vline,
  WA_QFOBJ_CNTR-OBJNR_QM, sy-vline,
  WA_QFOBJ_CNTR-OBJNR_LOS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_QFOBJ_CNTR 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_QFOBJ_CNTR 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_QFOBJ_CNTR INTO WA_QFOBJ_CNTR.


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

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

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

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

*Conversion exit ALPHA, internal->external for field PRUEFLOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_QFOBJ_CNTR-PRUEFLOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QFOBJ_CNTR-PRUEFLOS.
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_QFOBJ_CNTR_STR, 
QMNUM TYPE STRING,
TMP TYPE STRING,
FEART TYPE STRING,
SERIALNR TYPE STRING,
EQUNR TYPE STRING,
TPLNR TYPE STRING,
PRUEFLOS TYPE STRING,
PNLKN TYPE STRING,
QMART TYPE STRING,
OBJNR_QM TYPE STRING,
OBJNR_LOS TYPE STRING,
OBJNR_PVO TYPE STRING,
AUFPL TYPE STRING,
LAST_POS TYPE STRING,
MARK TYPE STRING,
LAST_FENUM TYPE STRING,
LAST_MANUM TYPE STRING,
E_ACT TYPE STRING,
E_READ TYPE STRING,
E_ENQUEUE TYPE STRING,
I_UPDATE TYPE STRING,
I_DELETE TYPE STRING,
I_PROCESS TYPE STRING,
ACTIVE TYPE STRING,
CLOSE TYPE STRING,
PAR_CALL TYPE STRING,
PAR_READ TYPE STRING,
NOT_CREATED TYPE STRING,
KZ_FE_ALL TYPE STRING,
POS_FROM TYPE STRING,
POS_TO TYPE STRING,
KZ_FE_LOS TYPE STRING,
KZ_FE_PVO TYPE STRING,
KZ_FE_MK TYPE STRING,
KZ_FE_PROBE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_QFOBJ_CNTR_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_QFOBJ_CNTR_STR-QMNUM sy-vline 
WA_QFOBJ_CNTR_STR-TMP sy-vline 
WA_QFOBJ_CNTR_STR-FEART sy-vline 
WA_QFOBJ_CNTR_STR-SERIALNR sy-vline 
WA_QFOBJ_CNTR_STR-EQUNR sy-vline 
WA_QFOBJ_CNTR_STR-TPLNR sy-vline 
WA_QFOBJ_CNTR_STR-PRUEFLOS sy-vline 
WA_QFOBJ_CNTR_STR-PNLKN sy-vline 
WA_QFOBJ_CNTR_STR-QMART sy-vline 
WA_QFOBJ_CNTR_STR-OBJNR_QM sy-vline 
WA_QFOBJ_CNTR_STR-OBJNR_LOS sy-vline 
WA_QFOBJ_CNTR_STR-OBJNR_PVO sy-vline 
WA_QFOBJ_CNTR_STR-AUFPL sy-vline 
WA_QFOBJ_CNTR_STR-LAST_POS sy-vline 
WA_QFOBJ_CNTR_STR-MARK sy-vline 
WA_QFOBJ_CNTR_STR-LAST_FENUM sy-vline 
WA_QFOBJ_CNTR_STR-LAST_MANUM sy-vline 
WA_QFOBJ_CNTR_STR-E_ACT sy-vline 
WA_QFOBJ_CNTR_STR-E_READ sy-vline 
WA_QFOBJ_CNTR_STR-E_ENQUEUE sy-vline 
WA_QFOBJ_CNTR_STR-I_UPDATE sy-vline 
WA_QFOBJ_CNTR_STR-I_DELETE sy-vline 
WA_QFOBJ_CNTR_STR-I_PROCESS sy-vline 
WA_QFOBJ_CNTR_STR-ACTIVE sy-vline 
WA_QFOBJ_CNTR_STR-CLOSE sy-vline 
WA_QFOBJ_CNTR_STR-PAR_CALL sy-vline 
WA_QFOBJ_CNTR_STR-PAR_READ sy-vline 
WA_QFOBJ_CNTR_STR-NOT_CREATED sy-vline 
WA_QFOBJ_CNTR_STR-KZ_FE_ALL sy-vline 
WA_QFOBJ_CNTR_STR-POS_FROM sy-vline 
WA_QFOBJ_CNTR_STR-POS_TO sy-vline 
WA_QFOBJ_CNTR_STR-KZ_FE_LOS sy-vline 
WA_QFOBJ_CNTR_STR-KZ_FE_PVO sy-vline 
WA_QFOBJ_CNTR_STR-KZ_FE_MK sy-vline 
WA_QFOBJ_CNTR_STR-KZ_FE_PROBE sy-vline      INTO ld_text SEPARATED BY SPACE.

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