ABAP Select data from SAP table QMIFE_1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP QMIFE_1 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 QMIFE_1. 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 QMIFE_1 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_QMIFE_1 TYPE STANDARD TABLE OF QMIFE_1,
      WA_QMIFE_1 TYPE QMIFE_1,
      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: <QMIFE_1> TYPE QMIFE_1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_QMIFE_1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM QMIFE_1
  INTO TABLE IT_QMIFE_1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM QMIFE_1
*  INTO TABLE @DATA(IT_QMIFE_12).
*--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_QMIFE_1 INDEX 1 INTO DATA(WA_QMIFE_12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_QMIFE_1 ASSIGNING <QMIFE_1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<QMIFE_1>-SATZART = 1.
<QMIFE_1>-PRUEFLOS = 1.
<QMIFE_1>-PLNFL = 1.
<QMIFE_1>-VORNR = 1.
<QMIFE_1>-VORGLFNR = 1.

ENDLOOP.

LOOP AT IT_QMIFE_1 INTO WA_QMIFE_1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_QMIFE_1-MERKNR, sy-vline,
  WA_QMIFE_1-PROBENR, sy-vline,
  WA_QMIFE_1-RUECKMELNR, sy-vline,
  WA_QMIFE_1-POSNR, sy-vline,
  WA_QMIFE_1-FEKAT, sy-vline,
  WA_QMIFE_1-FEGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_QMIFE_1 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_QMIFE_1 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_QMIFE_1 INTO WA_QMIFE_1.


*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_QMIFE_1-PRUEFLOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QMIFE_1-PRUEFLOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNFL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_QMIFE_1-PLNFL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QMIFE_1-PLNFL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_QMIFE_1-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QMIFE_1-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SERIALNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_QMIFE_1-SERIALNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QMIFE_1-SERIALNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN5, internal->external for field BAUTL
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_QMIFE_1-BAUTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QMIFE_1-BAUTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITFLBEW
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_QMIFE_1-UNITFLBEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QMIFE_1-UNITFLBEW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field BAUTL_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_QMIFE_1-BAUTL_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QMIFE_1-BAUTL_LONG.
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_QMIFE_1_STR, 
SATZART TYPE STRING,
PRUEFLOS TYPE STRING,
PLNFL TYPE STRING,
VORNR TYPE STRING,
VORGLFNR TYPE STRING,
MERKNR TYPE STRING,
PROBENR TYPE STRING,
RUECKMELNR TYPE STRING,
POSNR TYPE STRING,
FEKAT TYPE STRING,
FEGRP TYPE STRING,
FECOD TYPE STRING,
SERIALNR TYPE STRING,
ANZFEHLER TYPE STRING,
FEQKLAS TYPE STRING,
KZSYSFE TYPE STRING,
OTKAT TYPE STRING,
OTGRP TYPE STRING,
OTEIL TYPE STRING,
FETXT TYPE STRING,
BAUTL TYPE STRING,
FEHLBEW TYPE STRING,
UNITFLBEW TYPE STRING,
FENAM TYPE STRING,
FEDAT TYPE STRING,
FZEIT TYPE STRING,
BAUTL_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_QMIFE_1_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_QMIFE_1_STR-SATZART sy-vline 
WA_QMIFE_1_STR-PRUEFLOS sy-vline 
WA_QMIFE_1_STR-PLNFL sy-vline 
WA_QMIFE_1_STR-VORNR sy-vline 
WA_QMIFE_1_STR-VORGLFNR sy-vline 
WA_QMIFE_1_STR-MERKNR sy-vline 
WA_QMIFE_1_STR-PROBENR sy-vline 
WA_QMIFE_1_STR-RUECKMELNR sy-vline 
WA_QMIFE_1_STR-POSNR sy-vline 
WA_QMIFE_1_STR-FEKAT sy-vline 
WA_QMIFE_1_STR-FEGRP sy-vline 
WA_QMIFE_1_STR-FECOD sy-vline 
WA_QMIFE_1_STR-SERIALNR sy-vline 
WA_QMIFE_1_STR-ANZFEHLER sy-vline 
WA_QMIFE_1_STR-FEQKLAS sy-vline 
WA_QMIFE_1_STR-KZSYSFE sy-vline 
WA_QMIFE_1_STR-OTKAT sy-vline 
WA_QMIFE_1_STR-OTGRP sy-vline 
WA_QMIFE_1_STR-OTEIL sy-vline 
WA_QMIFE_1_STR-FETXT sy-vline 
WA_QMIFE_1_STR-BAUTL sy-vline 
WA_QMIFE_1_STR-FEHLBEW sy-vline 
WA_QMIFE_1_STR-UNITFLBEW sy-vline 
WA_QMIFE_1_STR-FENAM sy-vline 
WA_QMIFE_1_STR-FEDAT sy-vline 
WA_QMIFE_1_STR-FZEIT sy-vline 
WA_QMIFE_1_STR-BAUTL_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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