ABAP Select data from SAP table OIB_QCI_IF2004 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OIB_QCI_IF2004 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 OIB_QCI_IF2004. 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 OIB_QCI_IF2004 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_OIB_QCI_IF2004 TYPE STANDARD TABLE OF OIB_QCI_IF2004,
      WA_OIB_QCI_IF2004 TYPE OIB_QCI_IF2004,
      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: <OIB_QCI_IF2004> TYPE OIB_QCI_IF2004.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OIB_QCI_IF2004.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OIB_QCI_IF2004
  INTO TABLE IT_OIB_QCI_IF2004.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIB_QCI_IF2004
*  INTO TABLE @DATA(IT_OIB_QCI_IF20042).
*--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_OIB_QCI_IF2004 INDEX 1 INTO DATA(WA_OIB_QCI_IF20042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OIB_QCI_IF2004 ASSIGNING <OIB_QCI_IF2004>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIB_QCI_IF2004>-UMRSL = 1.
<OIB_QCI_IF2004>-PDTYP = 1.
<OIB_QCI_IF2004>-COEFF = 1.
<OIB_QCI_IF2004>-COEFFEH = 1.
<OIB_QCI_IF2004>-DNTYP = 1.

ENDLOOP.

LOOP AT IT_OIB_QCI_IF2004 INTO WA_OIB_QCI_IF2004.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIB_QCI_IF2004-TSTMP, sy-vline,
  WA_OIB_QCI_IF2004-TSTEH, sy-vline,
  WA_OIB_QCI_IF2004-MTPRES, sy-vline,
  WA_OIB_QCI_IF2004-MTPRESEH, sy-vline,
  WA_OIB_QCI_IF2004-TDICH, sy-vline,
  WA_OIB_QCI_IF2004-TDICHEH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIB_QCI_IF2004 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_OIB_QCI_IF2004 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_OIB_QCI_IF2004 INTO WA_OIB_QCI_IF2004.


*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 CUNIT, internal->external for field COEFFEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-COEFFEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-COEFFEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TSTEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-TSTEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-TSTEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MTPRESEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-MTPRESEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-MTPRESEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TDICHEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-TDICHEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-TDICHEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-MEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BSTEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-BSTEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-BSTEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BDICHEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-BDICHEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-BDICHEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MTTEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-MTTEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-MTTEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field APRESVEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-APRESVEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-APRESVEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ALTQUANTITYEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-ALTQUANTITYEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-ALTQUANTITYEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field COMPF_OBS_U
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-COMPF_OBS_U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-COMPF_OBS_U.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field COMPF_ALT_U
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_QCI_IF2004-COMPF_ALT_U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_QCI_IF2004-COMPF_ALT_U.
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_OIB_QCI_IF2004_STR, 
UMRSL TYPE STRING,
PDTYP TYPE STRING,
COEFF TYPE STRING,
COEFFEH TYPE STRING,
DNTYP TYPE STRING,
TSTMP TYPE STRING,
TSTEH TYPE STRING,
MTPRES TYPE STRING,
MTPRESEH TYPE STRING,
TDICH TYPE STRING,
TDICHEH TYPE STRING,
TRQNT TYPE STRING,
MEINH TYPE STRING,
BSTMP TYPE STRING,
BSTEH TYPE STRING,
BDICH TYPE STRING,
BDICHEH TYPE STRING,
MTTMP TYPE STRING,
MTTEH TYPE STRING,
APRESV TYPE STRING,
APRESVEH TYPE STRING,
ALTQUANTITY TYPE STRING,
ALTQUANTITYEH TYPE STRING,
COMPF_OBS TYPE STRING,
COMPF_OBS_U TYPE STRING,
COMPF_ALT TYPE STRING,
COMPF_ALT_U TYPE STRING,
STRUCFMEXP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIB_QCI_IF2004_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_OIB_QCI_IF2004_STR-UMRSL sy-vline 
WA_OIB_QCI_IF2004_STR-PDTYP sy-vline 
WA_OIB_QCI_IF2004_STR-COEFF sy-vline 
WA_OIB_QCI_IF2004_STR-COEFFEH sy-vline 
WA_OIB_QCI_IF2004_STR-DNTYP sy-vline 
WA_OIB_QCI_IF2004_STR-TSTMP sy-vline 
WA_OIB_QCI_IF2004_STR-TSTEH sy-vline 
WA_OIB_QCI_IF2004_STR-MTPRES sy-vline 
WA_OIB_QCI_IF2004_STR-MTPRESEH sy-vline 
WA_OIB_QCI_IF2004_STR-TDICH sy-vline 
WA_OIB_QCI_IF2004_STR-TDICHEH sy-vline 
WA_OIB_QCI_IF2004_STR-TRQNT sy-vline 
WA_OIB_QCI_IF2004_STR-MEINH sy-vline 
WA_OIB_QCI_IF2004_STR-BSTMP sy-vline 
WA_OIB_QCI_IF2004_STR-BSTEH sy-vline 
WA_OIB_QCI_IF2004_STR-BDICH sy-vline 
WA_OIB_QCI_IF2004_STR-BDICHEH sy-vline 
WA_OIB_QCI_IF2004_STR-MTTMP sy-vline 
WA_OIB_QCI_IF2004_STR-MTTEH sy-vline 
WA_OIB_QCI_IF2004_STR-APRESV sy-vline 
WA_OIB_QCI_IF2004_STR-APRESVEH sy-vline 
WA_OIB_QCI_IF2004_STR-ALTQUANTITY sy-vline 
WA_OIB_QCI_IF2004_STR-ALTQUANTITYEH sy-vline 
WA_OIB_QCI_IF2004_STR-COMPF_OBS sy-vline 
WA_OIB_QCI_IF2004_STR-COMPF_OBS_U sy-vline 
WA_OIB_QCI_IF2004_STR-COMPF_ALT sy-vline 
WA_OIB_QCI_IF2004_STR-COMPF_ALT_U sy-vline 
WA_OIB_QCI_IF2004_STR-STRUCFMEXP sy-vline      INTO ld_text SEPARATED BY SPACE.

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