ABAP Select data from SAP table PIQ_CRQ_WF_INFO_DETAILS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQ_CRQ_WF_INFO_DETAILS
*  INTO TABLE @DATA(IT_PIQ_CRQ_WF_INFO_DETAILS2).
*--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_PIQ_CRQ_WF_INFO_DETAILS INDEX 1 INTO DATA(WA_PIQ_CRQ_WF_INFO_DETAILS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQ_CRQ_WF_INFO_DETAILS>-SM_SHORT = 1.
<PIQ_CRQ_WF_INFO_DETAILS>-SM_STEXT = 1.
<PIQ_CRQ_WF_INFO_DETAILS>-O_OBJID = 1.
<PIQ_CRQ_WF_INFO_DETAILS>-O_SHORT = 1.
<PIQ_CRQ_WF_INFO_DETAILS>-O_STEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQ_CRQ_WF_INFO_DETAILS-CPMIN, sy-vline,
  WA_PIQ_CRQ_WF_INFO_DETAILS-CPOPT, sy-vline,
  WA_PIQ_CRQ_WF_INFO_DETAILS-CPMAX, sy-vline,
  WA_PIQ_CRQ_WF_INFO_DETAILS-CPUNIT, sy-vline,
  WA_PIQ_CRQ_WF_INFO_DETAILS-SEVERITY, sy-vline,
  WA_PIQ_CRQ_WF_INFO_DETAILS-SEVERITYT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQ_CRQ_WF_INFO_DETAILS 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_PIQ_CRQ_WF_INFO_DETAILS 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_PIQ_CRQ_WF_INFO_DETAILS INTO WA_PIQ_CRQ_WF_INFO_DETAILS.


*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 CPUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PIQ_CRQ_WF_INFO_DETAILS-CPUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQ_CRQ_WF_INFO_DETAILS-CPUNIT.
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_PIQ_CRQ_WF_INFO_DETAILS_STR, 
SM_SHORT TYPE STRING,
SM_STEXT TYPE STRING,
O_OBJID TYPE STRING,
O_SHORT TYPE STRING,
O_STEXT TYPE STRING,
CPMIN TYPE STRING,
CPOPT TYPE STRING,
CPMAX TYPE STRING,
CPUNIT TYPE STRING,
SEVERITY TYPE STRING,
SEVERITYT TYPE STRING,
MAIN_DISCIPLINE TYPE STRING,
MAIN_DISCIPLINET TYPE STRING,
PROGC_VAR TYPE STRING,
PROGC_VART TYPE STRING,
CATEGORY TYPE STRING,
CATEGORYT TYPE STRING,
MODREPEATTYPE TYPE STRING,
MODREPEATTYPETXT TYPE STRING,
MINCAP TYPE STRING,
OPTCAP TYPE STRING,
MAXCAP TYPE STRING,
RESP_PERSON TYPE STRING,
RESP_PERSONT TYPE STRING,
APPR_SCALEID TYPE STRING,
APPR_SCALEIDT TYPE STRING,
TEMPL_ID TYPE STRING,
TEMPL_TEXT TYPE STRING,
APPR_PF_SCALEID TYPE STRING,
APPR_PF_SCALEIDT TYPE STRING,
SEARCH_SIM1 TYPE STRING,
SEARCH_SIM2 TYPE STRING,
SEARCH_SIM3 TYPE STRING,
WI_ID TYPE STRING,
APPROVED_DENIED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQ_CRQ_WF_INFO_DETAILS_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_PIQ_CRQ_WF_INFO_DETAILS_STR-SM_SHORT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-SM_STEXT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-O_OBJID sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-O_SHORT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-O_STEXT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-CPMIN sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-CPOPT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-CPMAX sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-CPUNIT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-SEVERITY sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-SEVERITYT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-MAIN_DISCIPLINE sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-MAIN_DISCIPLINET sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-PROGC_VAR sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-PROGC_VART sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-CATEGORY sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-CATEGORYT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-MODREPEATTYPE sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-MODREPEATTYPETXT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-MINCAP sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-OPTCAP sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-MAXCAP sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-RESP_PERSON sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-RESP_PERSONT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-APPR_SCALEID sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-APPR_SCALEIDT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-TEMPL_ID sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-TEMPL_TEXT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-APPR_PF_SCALEID sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-APPR_PF_SCALEIDT sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-SEARCH_SIM1 sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-SEARCH_SIM2 sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-SEARCH_SIM3 sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-WI_ID sy-vline 
WA_PIQ_CRQ_WF_INFO_DETAILS_STR-APPROVED_DENIED sy-vline      INTO ld_text SEPARATED BY SPACE.

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