ABAP Select data from SAP table OII_BAPI_QCI_PAR_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OII_BAPI_QCI_PAR_D
*  INTO TABLE @DATA(IT_OII_BAPI_QCI_PAR_D2).
*--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_OII_BAPI_QCI_PAR_D INDEX 1 INTO DATA(WA_OII_BAPI_QCI_PAR_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OII_BAPI_QCI_PAR_D>-COUNTER = 1.
<OII_BAPI_QCI_PAR_D>-DNTYP = 1.
<OII_BAPI_QCI_PAR_D>-SHTMP = 1.
<OII_BAPI_QCI_PAR_D>-SHTEH = 1.
<OII_BAPI_QCI_PAR_D>-UL_IN_IND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OII_BAPI_QCI_PAR_D-TSTMP, sy-vline,
  WA_OII_BAPI_QCI_PAR_D-TSTEH, sy-vline,
  WA_OII_BAPI_QCI_PAR_D-MTTMP, sy-vline,
  WA_OII_BAPI_QCI_PAR_D-MTTEH, sy-vline,
  WA_OII_BAPI_QCI_PAR_D-BDICH, sy-vline,
  WA_OII_BAPI_QCI_PAR_D-BDNEH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OII_BAPI_QCI_PAR_D 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_OII_BAPI_QCI_PAR_D 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_OII_BAPI_QCI_PAR_D INTO WA_OII_BAPI_QCI_PAR_D.


*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 SHTEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OII_BAPI_QCI_PAR_D-SHTEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OII_BAPI_QCI_PAR_D-SHTEH.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field BSWCNEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OII_BAPI_QCI_PAR_D-BSWCNEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OII_BAPI_QCI_PAR_D-BSWCNEH.
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_OII_BAPI_QCI_PAR_D_STR, 
COUNTER TYPE STRING,
DNTYP TYPE STRING,
SHTMP TYPE STRING,
SHTEH TYPE STRING,
UL_IN_IND TYPE STRING,
TSTMP TYPE STRING,
TSTEH TYPE STRING,
MTTMP TYPE STRING,
MTTEH TYPE STRING,
BDICH TYPE STRING,
BDNEH TYPE STRING,
TDICH TYPE STRING,
TDNEH TYPE STRING,
FDICH TYPE STRING,
FDNEH TYPE STRING,
MTPRES TYPE STRING,
MTPRESEH TYPE STRING,
TPRED TYPE STRING,
TPREDEH TYPE STRING,
ATPRES TYPE STRING,
ATPRESEH TYPE STRING,
VAPRES TYPE STRING,
VAPRESEH TYPE STRING,
HYDRO TYPE STRING,
ABIND TYPE STRING,
ABFAC TYPE STRING,
MCF TYPE STRING,
BSWCN TYPE STRING,
BSWCNEH TYPE STRING,
UMRSL TYPE STRING,
COEFF TYPE STRING,
QCI_MAN_IND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OII_BAPI_QCI_PAR_D_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_OII_BAPI_QCI_PAR_D_STR-COUNTER sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-DNTYP sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-SHTMP sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-SHTEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-UL_IN_IND sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-TSTMP sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-TSTEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-MTTMP sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-MTTEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-BDICH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-BDNEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-TDICH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-TDNEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-FDICH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-FDNEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-MTPRES sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-MTPRESEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-TPRED sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-TPREDEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-ATPRES sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-ATPRESEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-VAPRES sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-VAPRESEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-HYDRO sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-ABIND sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-ABFAC sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-MCF sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-BSWCN sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-BSWCNEH sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-UMRSL sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-COEFF sy-vline 
WA_OII_BAPI_QCI_PAR_D_STR-QCI_MAN_IND sy-vline      INTO ld_text SEPARATED BY SPACE.

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