ABAP Select data from SAP table QGHIS into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP QGHIS 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 QGHIS. 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 QGHIS 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_QGHIS TYPE STANDARD TABLE OF QGHIS,
      WA_QGHIS TYPE QGHIS,
      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: <QGHIS> TYPE QGHIS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM QGHIS
*  INTO TABLE @DATA(IT_QGHIS2).
*--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_QGHIS INDEX 1 INTO DATA(WA_QGHIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<QGHIS>-PRUEFLOS = 1.
<QGHIS>-HERKUNFT = 1.
<QGHIS>-MATNR = 1.
<QGHIS>-WERK = 1.
<QGHIS>-PLNTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_QGHIS-PLNNR, sy-vline,
  WA_QGHIS-PLNAL, sy-vline,
  WA_QGHIS-PLNFL, sy-vline,
  WA_QGHIS-PPLNKN, sy-vline,
  WA_QGHIS-VPLTY, sy-vline,
  WA_QGHIS-VPLNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_QGHIS 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_QGHIS 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_QGHIS INTO WA_QGHIS.


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

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

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

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

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

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

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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_QGHIS-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QGHIS-VORNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_QGHIS-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QGHIS-LIFNR.
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_QGHIS_STR, 
PRUEFLOS TYPE STRING,
HERKUNFT TYPE STRING,
MATNR TYPE STRING,
WERK TYPE STRING,
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNAL TYPE STRING,
PLNFL TYPE STRING,
PPLNKN TYPE STRING,
VPLTY TYPE STRING,
VPLNR TYPE STRING,
VPLAL TYPE STRING,
VPLFL TYPE STRING,
VPLNKN TYPE STRING,
VORNR TYPE STRING,
VORGLFNR TYPE STRING,
MERKNR TYPE STRING,
QPMK_WERKS TYPE STRING,
VERWMERKM TYPE STRING,
MKVERSION TYPE STRING,
STAT07 TYPE STRING,
STAT13 TYPE STRING,
EQUNR TYPE STRING,
TPLNR TYPE STRING,
PHYNR TYPE STRING,
HERSTELLER TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
CHARG TYPE STRING,
DATUV TYPE STRING,
DATUB TYPE STRING,
LISTVARIANT TYPE STRING,
CUSTOMIZING TYPE STRING,
DISPLAY_LIST_IN_WINDOW TYPE STRING,
VIA_SELECTION_SCREEN TYPE STRING,
QPMK_EVALUATION TYPE STRING,
QPMK_ALL_VERSIONS TYPE STRING,
MATERIAL_SPECIFIC TYPE STRING,
INSPPOINT_SPECIFIC TYPE STRING,
INSPLOT_SPECIFIC TYPE STRING,
PERIOD_SPECIFIC TYPE STRING,
VPLN_EVALUATION TYPE STRING,
MANDANT TYPE STRING,
KURZTEXT TYPE STRING,
VORKTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_QGHIS_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_QGHIS_STR-PRUEFLOS sy-vline 
WA_QGHIS_STR-HERKUNFT sy-vline 
WA_QGHIS_STR-MATNR sy-vline 
WA_QGHIS_STR-WERK sy-vline 
WA_QGHIS_STR-PLNTY sy-vline 
WA_QGHIS_STR-PLNNR sy-vline 
WA_QGHIS_STR-PLNAL sy-vline 
WA_QGHIS_STR-PLNFL sy-vline 
WA_QGHIS_STR-PPLNKN sy-vline 
WA_QGHIS_STR-VPLTY sy-vline 
WA_QGHIS_STR-VPLNR sy-vline 
WA_QGHIS_STR-VPLAL sy-vline 
WA_QGHIS_STR-VPLFL sy-vline 
WA_QGHIS_STR-VPLNKN sy-vline 
WA_QGHIS_STR-VORNR sy-vline 
WA_QGHIS_STR-VORGLFNR sy-vline 
WA_QGHIS_STR-MERKNR sy-vline 
WA_QGHIS_STR-QPMK_WERKS sy-vline 
WA_QGHIS_STR-VERWMERKM sy-vline 
WA_QGHIS_STR-MKVERSION sy-vline 
WA_QGHIS_STR-STAT07 sy-vline 
WA_QGHIS_STR-STAT13 sy-vline 
WA_QGHIS_STR-EQUNR sy-vline 
WA_QGHIS_STR-TPLNR sy-vline 
WA_QGHIS_STR-PHYNR sy-vline 
WA_QGHIS_STR-HERSTELLER sy-vline 
WA_QGHIS_STR-KUNNR sy-vline 
WA_QGHIS_STR-LIFNR sy-vline 
WA_QGHIS_STR-CHARG sy-vline 
WA_QGHIS_STR-DATUV sy-vline 
WA_QGHIS_STR-DATUB sy-vline 
WA_QGHIS_STR-LISTVARIANT sy-vline 
WA_QGHIS_STR-CUSTOMIZING sy-vline 
WA_QGHIS_STR-DISPLAY_LIST_IN_WINDOW sy-vline 
WA_QGHIS_STR-VIA_SELECTION_SCREEN sy-vline 
WA_QGHIS_STR-QPMK_EVALUATION sy-vline 
WA_QGHIS_STR-QPMK_ALL_VERSIONS sy-vline 
WA_QGHIS_STR-MATERIAL_SPECIFIC sy-vline 
WA_QGHIS_STR-INSPPOINT_SPECIFIC sy-vline 
WA_QGHIS_STR-INSPLOT_SPECIFIC sy-vline 
WA_QGHIS_STR-PERIOD_SPECIFIC sy-vline 
WA_QGHIS_STR-VPLN_EVALUATION sy-vline 
WA_QGHIS_STR-MANDANT sy-vline 
WA_QGHIS_STR-KURZTEXT sy-vline 
WA_QGHIS_STR-VORKTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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