ABAP Select data from SAP table PIQAUDIT_REQ_SUBREQ_WD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQAUDIT_REQ_SUBREQ_WD
*  INTO TABLE @DATA(IT_PIQAUDIT_REQ_SUBREQ_WD2).
*--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_PIQAUDIT_REQ_SUBREQ_WD INDEX 1 INTO DATA(WA_PIQAUDIT_REQ_SUBREQ_WD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQAUDIT_REQ_SUBREQ_WD>-SUBREQ_CAT_GROUP = 1.
<PIQAUDIT_REQ_SUBREQ_WD>-SUBREQ_PRIO = 1.
<PIQAUDIT_REQ_SUBREQ_WD>-NODEID = 1.
<PIQAUDIT_REQ_SUBREQ_WD>-REF_NODEID = 1.
<PIQAUDIT_REQ_SUBREQ_WD>-ELEMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQAUDIT_REQ_SUBREQ_WD-ELEMENT_TXT, sy-vline,
  WA_PIQAUDIT_REQ_SUBREQ_WD-ELEMENT_CALCMODE, sy-vline,
  WA_PIQAUDIT_REQ_SUBREQ_WD-ELEMENT_DEPTH, sy-vline,
  WA_PIQAUDIT_REQ_SUBREQ_WD-TREECOMP, sy-vline,
  WA_PIQAUDIT_REQ_SUBREQ_WD-SEQNR, sy-vline,
  WA_PIQAUDIT_REQ_SUBREQ_WD-SUBREQ_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQAUDIT_REQ_SUBREQ_WD 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_PIQAUDIT_REQ_SUBREQ_WD 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_PIQAUDIT_REQ_SUBREQ_WD INTO WA_PIQAUDIT_REQ_SUBREQ_WD.


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

*Conversion exit CUNIT, internal->external for field UNITKEY
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PIQAUDIT_REQ_SUBREQ_WD-UNITKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQAUDIT_REQ_SUBREQ_WD-UNITKEY.
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_PIQAUDIT_REQ_SUBREQ_WD_STR, 
SUBREQ_CAT_GROUP TYPE STRING,
SUBREQ_PRIO TYPE STRING,
NODEID TYPE STRING,
REF_NODEID TYPE STRING,
ELEMENT TYPE STRING,
ELEMENT_TXT TYPE STRING,
ELEMENT_CALCMODE TYPE STRING,
ELEMENT_DEPTH TYPE STRING,
TREECOMP TYPE STRING,
SEQNR TYPE STRING,
SUBREQ_ID TYPE STRING,
SUBREQ_TXT TYPE STRING,
SUBREQ_TYPE TYPE STRING,
SUBREQ_REF TYPE STRING,
PINDEX TYPE STRING,
OPERAND TYPE STRING,
VALUE TYPE STRING,
UNIT TYPE STRING,
GRADESYM TYPE STRING,
SCALEID TYPE STRING,
PINDEX_TXT TYPE STRING,
SCALE_TXT TYPE STRING,
GRADESYM_TXT TYPE STRING,
KEYFIGURE_IDKEY TYPE STRING,
OPERANDKEY TYPE STRING,
VALUEKEY TYPE STRING,
UNITKEY TYPE STRING,
GRADESYMKEY TYPE STRING,
SCALEIDKEY TYPE STRING,
KEYFIGURE_TXTKEY TYPE STRING,
SCALE_TXTKEY TYPE STRING,
GRADESYM_TXTKEY TYPE STRING,
GRADESYM_EX TYPE STRING,
GRADESYM_EX_TXT TYPE STRING,
GRADE_EX TYPE STRING,
VALUE_EX TYPE STRING,
REASON TYPE STRING,
REASON_TXT TYPE STRING,
IMG TYPE STRING,
UPDATEFLAG TYPE STRING,
COND_ID TYPE STRING,
COND_RESULT TYPE STRING,
COND_TXT TYPE STRING,
ALL_RESULT TYPE STRING,
VALGRADE TYPE STRING,
CALCULATED_VALGRADE TYPE STRING,
UNITSCALE_TXT TYPE STRING,
OPERAND_TXT TYPE STRING,
IMG_RESULT TYPE STRING,
VALGRADE_TOOLTIP TYPE STRING,
PERSONAL_VALGRADE_TOOLTIP TYPE STRING,
MODULE_PREVIEW TYPE STRING,
NORMINAL_VALGRADE TYPE STRING,
PERSONAL_VALGRADE TYPE STRING,
RLCATT TYPE STRING,
RLCATVERST TYPE STRING,
RLCAT TYPE STRING,
RLCATVERS TYPE STRING,
SUBREQ_TYPE_TXT TYPE STRING,
SUBREQ_TYPE_IMG TYPE STRING,
KEYF_COND_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQAUDIT_REQ_SUBREQ_WD_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_PIQAUDIT_REQ_SUBREQ_WD_STR-SUBREQ_CAT_GROUP sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SUBREQ_PRIO sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-NODEID sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-REF_NODEID sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-ELEMENT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-ELEMENT_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-ELEMENT_CALCMODE sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-ELEMENT_DEPTH sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-TREECOMP sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SEQNR sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SUBREQ_ID sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SUBREQ_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SUBREQ_TYPE sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SUBREQ_REF sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-PINDEX sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-OPERAND sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-VALUE sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-UNIT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-GRADESYM sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SCALEID sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-PINDEX_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SCALE_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-GRADESYM_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-KEYFIGURE_IDKEY sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-OPERANDKEY sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-VALUEKEY sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-UNITKEY sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-GRADESYMKEY sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SCALEIDKEY sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-KEYFIGURE_TXTKEY sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SCALE_TXTKEY sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-GRADESYM_TXTKEY sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-GRADESYM_EX sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-GRADESYM_EX_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-GRADE_EX sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-VALUE_EX sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-REASON sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-REASON_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-IMG sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-UPDATEFLAG sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-COND_ID sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-COND_RESULT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-COND_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-ALL_RESULT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-VALGRADE sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-CALCULATED_VALGRADE sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-UNITSCALE_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-OPERAND_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-IMG_RESULT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-VALGRADE_TOOLTIP sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-PERSONAL_VALGRADE_TOOLTIP sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-MODULE_PREVIEW sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-NORMINAL_VALGRADE sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-PERSONAL_VALGRADE sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-RLCATT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-RLCATVERST sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-RLCAT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-RLCATVERS sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SUBREQ_TYPE_TXT sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-SUBREQ_TYPE_IMG sy-vline 
WA_PIQAUDIT_REQ_SUBREQ_WD_STR-KEYF_COND_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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