ABAP Select data from SAP table /BI0/CCQA0WBS_ELEMT_ATTR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BI0/CCQA0WBS_ELEMT_ATTR 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 /BI0/CCQA0WBS_ELEMT_ATTR. 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 /BI0/CCQA0WBS_ELEMT_ATTR 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_/BI0/CCQA0WBS_ELEMT_ATTR TYPE STANDARD TABLE OF /BI0/CCQA0WBS_ELEMT_ATTR,
      WA_/BI0/CCQA0WBS_ELEMT_ATTR TYPE /BI0/CCQA0WBS_ELEMT_ATTR,
      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: </BI0/CCQA0WBS_ELEMT_ATTR> TYPE /BI0/CCQA0WBS_ELEMT_ATTR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BI0/CCQA0WBS_ELEMT_ATTR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BI0/CCQA0WBS_ELEMT_ATTR
  INTO TABLE IT_/BI0/CCQA0WBS_ELEMT_ATTR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BI0/CCQA0WBS_ELEMT_ATTR
*  INTO TABLE @DATA(IT_/BI0/CCQA0WBS_ELEMT_ATTR2).
*--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_/BI0/CCQA0WBS_ELEMT_ATTR INDEX 1 INTO DATA(WA_/BI0/CCQA0WBS_ELEMT_ATTR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BI0/CCQA0WBS_ELEMT_ATTR ASSIGNING </BI0/CCQA0WBS_ELEMT_ATTR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BI0/CCQA0WBS_ELEMT_ATTR>-POSID = 1.
</BI0/CCQA0WBS_ELEMT_ATTR>-PSPID = 1.
</BI0/CCQA0WBS_ELEMT_ATTR>-PSPEX = 1.
</BI0/CCQA0WBS_ELEMT_ATTR>-AEDAT = 1.
</BI0/CCQA0WBS_ELEMT_ATTR>-VERNR = 1.

ENDLOOP.

LOOP AT IT_/BI0/CCQA0WBS_ELEMT_ATTR INTO WA_/BI0/CCQA0WBS_ELEMT_ATTR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BI0/CCQA0WBS_ELEMT_ATTR-ASTNR, sy-vline,
  WA_/BI0/CCQA0WBS_ELEMT_ATTR-PBUKR, sy-vline,
  WA_/BI0/CCQA0WBS_ELEMT_ATTR-PGSBR, sy-vline,
  WA_/BI0/CCQA0WBS_ELEMT_ATTR-PKOKR, sy-vline,
  WA_/BI0/CCQA0WBS_ELEMT_ATTR-PRCTR, sy-vline,
  WA_/BI0/CCQA0WBS_ELEMT_ATTR-PRART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BI0/CCQA0WBS_ELEMT_ATTR 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_/BI0/CCQA0WBS_ELEMT_ATTR 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_/BI0/CCQA0WBS_ELEMT_ATTR INTO WA_/BI0/CCQA0WBS_ELEMT_ATTR.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/BI0/CCQA0WBS_ELEMT_ATTR_STR, 
POSID TYPE STRING,
PSPID TYPE STRING,
PSPEX TYPE STRING,
AEDAT TYPE STRING,
VERNR TYPE STRING,
ASTNR TYPE STRING,
PBUKR TYPE STRING,
PGSBR TYPE STRING,
PKOKR TYPE STRING,
PRCTR TYPE STRING,
PRART TYPE STRING,
AKSTL TYPE STRING,
FKSTL TYPE STRING,
PSPRI TYPE STRING,
PWPOS TYPE STRING,
WERKS TYPE STRING,
KOSTL TYPE STRING,
ERDAT TYPE STRING,
XSTAT TYPE STRING,
STUFE TYPE STRING,
BWSTSYS0 TYPE STRING,
ISIZE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BI0/CCQA0WBS_ELEMT_ATTR_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_/BI0/CCQA0WBS_ELEMT_ATTR_STR-POSID sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-PSPID sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-PSPEX sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-AEDAT sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-VERNR sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-ASTNR sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-PBUKR sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-PGSBR sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-PKOKR sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-PRCTR sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-PRART sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-AKSTL sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-FKSTL sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-PSPRI sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-PWPOS sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-WERKS sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-KOSTL sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-ERDAT sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-XSTAT sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-STUFE sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-BWSTSYS0 sy-vline 
WA_/BI0/CCQA0WBS_ELEMT_ATTR_STR-ISIZE sy-vline      INTO ld_text SEPARATED BY SPACE.

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