ABAP Select data from SAP table PIQPROCS_ED_EXT_W_GRP_DISP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQPROCS_ED_EXT_W_GRP_DISP
*  INTO TABLE @DATA(IT_PIQPROCS_ED_EXT_W_GRP_DISP2).
*--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_PIQPROCS_ED_EXT_W_GRP_DISP INDEX 1 INTO DATA(WA_PIQPROCS_ED_EXT_W_GRP_DISP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQPROCS_ED_EXT_W_GRP_DISP>-GRP = 1.
<PIQPROCS_ED_EXT_W_GRP_DISP>-OTYPE = 1.
<PIQPROCS_ED_EXT_W_GRP_DISP>-OBJID = 1.
<PIQPROCS_ED_EXT_W_GRP_DISP>-COREPEATFLAG = 1.
<PIQPROCS_ED_EXT_W_GRP_DISP>-HONORSINDIC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQPROCS_ED_EXT_W_GRP_DISP-EXTGRADESYM, sy-vline,
  WA_PIQPROCS_ED_EXT_W_GRP_DISP-EXTGRADE, sy-vline,
  WA_PIQPROCS_ED_EXT_W_GRP_DISP-EXTGRADESCALE, sy-vline,
  WA_PIQPROCS_ED_EXT_W_GRP_DISP-GRADEMANFLAG, sy-vline,
  WA_PIQPROCS_ED_EXT_W_GRP_DISP-INTGRADESYM, sy-vline,
  WA_PIQPROCS_ED_EXT_W_GRP_DISP-INTGRADE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQPROCS_ED_EXT_W_GRP_DISP 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_PIQPROCS_ED_EXT_W_GRP_DISP 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_PIQPROCS_ED_EXT_W_GRP_DISP INTO WA_PIQPROCS_ED_EXT_W_GRP_DISP.


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

*Conversion exit CUNIT, internal->external for field INTCOCREDTYPE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PIQPROCS_ED_EXT_W_GRP_DISP-INTCOCREDTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQPROCS_ED_EXT_W_GRP_DISP-INTCOCREDTYPE.
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_PIQPROCS_ED_EXT_W_GRP_DISP_STR, 
GRP TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
COREPEATFLAG TYPE STRING,
HONORSINDIC TYPE STRING,
EXTGRADESYM TYPE STRING,
EXTGRADE TYPE STRING,
EXTGRADESCALE TYPE STRING,
GRADEMANFLAG TYPE STRING,
INTGRADESYM TYPE STRING,
INTGRADE TYPE STRING,
INTGRADESCALE TYPE STRING,
EXTCOATMCRED TYPE STRING,
EXTCOGRDCRED TYPE STRING,
EXTCOERNCRED TYPE STRING,
EXTCOCREDTYPE TYPE STRING,
COCREDMANFLAG TYPE STRING,
INTCOATMCRED TYPE STRING,
INTCOGRDCRED TYPE STRING,
INTCOERNCRED TYPE STRING,
INTCOCREDTYPE TYPE STRING,
BASFORCOCRED TYPE STRING,
COWITHDRDATE TYPE STRING,
COSESID TYPE STRING,
COSESYEAR TYPE STRING,
COBEGDATE TYPE STRING,
COENDDATE TYPE STRING,
AWSTATUS TYPE STRING,
EQCONFERDATE TYPE STRING,
ATTNO_TW_IN TYPE STRING,
AGRTYPE TYPE STRING,
AGRSTAT TYPE STRING,
AGRREMARK TYPE STRING,
OBJTYPE TYPE STRING,
REALO TYPE STRING,
APPSERTEXT TYPE STRING,
BOOKREASON TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
OTYPET TYPE STRING,
SCALEINT TYPE STRING,
SCALEEXT TYPE STRING,
OTYPE_ICON TYPE STRING,
DETAIL_ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQPROCS_ED_EXT_W_GRP_DISP_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_PIQPROCS_ED_EXT_W_GRP_DISP_STR-GRP sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-OTYPE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-OBJID sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-COREPEATFLAG sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-HONORSINDIC sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-EXTGRADESYM sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-EXTGRADE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-EXTGRADESCALE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-GRADEMANFLAG sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-INTGRADESYM sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-INTGRADE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-INTGRADESCALE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-EXTCOATMCRED sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-EXTCOGRDCRED sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-EXTCOERNCRED sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-EXTCOCREDTYPE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-COCREDMANFLAG sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-INTCOATMCRED sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-INTCOGRDCRED sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-INTCOERNCRED sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-INTCOCREDTYPE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-BASFORCOCRED sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-COWITHDRDATE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-COSESID sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-COSESYEAR sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-COBEGDATE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-COENDDATE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-AWSTATUS sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-EQCONFERDATE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-ATTNO_TW_IN sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-AGRTYPE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-AGRSTAT sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-AGRREMARK sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-OBJTYPE sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-REALO sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-APPSERTEXT sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-BOOKREASON sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-SHORT sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-STEXT sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-OTYPET sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-SCALEINT sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-SCALEEXT sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-OTYPE_ICON sy-vline 
WA_PIQPROCS_ED_EXT_W_GRP_DISP_STR-DETAIL_ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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