ABAP Select data from SAP table /SAPAPO/CULL_FILTER_DCMP_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CULL_FILTER_DCMP_ITEM
*  INTO TABLE @DATA(IT_/SAPAPO/CULL_FILTER_DCMP_ITEM2).
*--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_/SAPAPO/CULL_FILTER_DCMP_ITEM INDEX 1 INTO DATA(WA_/SAPAPO/CULL_FILTER_DCMP_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CULL_FILTER_DCMP_ITEM>-DATE_TO = 1.
</SAPAPO/CULL_FILTER_DCMP_ITEM>-DATE_FROM = 1.
</SAPAPO/CULL_FILTER_DCMP_ITEM>-BODY = 1.
</SAPAPO/CULL_FILTER_DCMP_ITEM>-MATNR = 1.
</SAPAPO/CULL_FILTER_DCMP_ITEM>-BOMID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-ACTID, sy-vline,
  WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-IOIND, sy-vline,
  WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-QUANT, sy-vline,
  WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-QUFIX, sy-vline,
  WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-QUNIT, sy-vline,
  WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-MUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CULL_FILTER_DCMP_ITEM 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_/SAPAPO/CULL_FILTER_DCMP_ITEM 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_/SAPAPO/CULL_FILTER_DCMP_ITEM INTO WA_/SAPAPO/CULL_FILTER_DCMP_ITEM.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CULL_FILTER_DCMP_ITEM-AENNR.
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_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR, 
DATE_TO TYPE STRING,
DATE_FROM TYPE STRING,
BODY TYPE STRING,
MATNR TYPE STRING,
BOMID TYPE STRING,
ACTID TYPE STRING,
IOIND TYPE STRING,
QUANT TYPE STRING,
QUFIX TYPE STRING,
QUNIT TYPE STRING,
MUNIT TYPE STRING,
PNGUID TYPE STRING,
FLG_STD_PART TYPE STRING,
PRIO TYPE STRING,
PGUID TYPE STRING,
CCODE TYPE STRING,
FLG_HIGHLANDER TYPE STRING,
FLG_MANDATORY TYPE STRING,
AENNR TYPE STRING,
KNOBJ TYPE STRING,
MATID TYPE STRING,
SUBLOC TYPE STRING,
SUBLOC_PROD TYPE STRING,
LOCID TYPE STRING,
CONTI_SCEDULING TYPE STRING,
OFFSET_RELATION TYPE STRING,
OFFSET_VALUE TYPE STRING,
OFFSET_IN_PERCENT TYPE STRING,
HIGH_LEVEL TYPE STRING,
CUOBJ TYPE STRING,
ACTID_TAB TYPE STRING,
SCHEDULE_OFFSET TYPE STRING,
ADD_FIELDS TYPE STRING,
NETAU TYPE STRING,
PROCEDURE TYPE STRING,
SINGLEFLAG TYPE STRING,
CONJUNCTIONS TYPE STRING,
CDP_DATA TYPE STRING,
CDP_CLASS TYPE STRING,
VALUATION_INDEX TYPE STRING,
REQ_CLASS TYPE STRING,
CUOBJ TYPE STRING,
CONFR TYPE STRING,
POSITION_NO TYPE STRING,
PHANTOM_REF TYPE STRING,
PH_PGUID TYPE STRING,
PH_OTYPE TYPE STRING,
PH_PGUID_REF TYPE STRING,
PH_OTYPE_REF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_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_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-DATE_TO sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-DATE_FROM sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-BODY sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-MATNR sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-BOMID sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-ACTID sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-IOIND sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-QUANT sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-QUFIX sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-QUNIT sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-MUNIT sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-PNGUID sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-FLG_STD_PART sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-PRIO sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-PGUID sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-CCODE sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-FLG_HIGHLANDER sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-FLG_MANDATORY sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-AENNR sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-KNOBJ sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-MATID sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-SUBLOC sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-SUBLOC_PROD sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-LOCID sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-CONTI_SCEDULING sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-OFFSET_RELATION sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-OFFSET_VALUE sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-OFFSET_IN_PERCENT sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-HIGH_LEVEL sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-CUOBJ sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-ACTID_TAB sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-SCHEDULE_OFFSET sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-ADD_FIELDS sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-NETAU sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-PROCEDURE sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-SINGLEFLAG sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-CONJUNCTIONS sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-CDP_DATA sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-CDP_CLASS sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-VALUATION_INDEX sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-REQ_CLASS sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-CUOBJ sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-CONFR sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-POSITION_NO sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-PHANTOM_REF sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-PH_PGUID sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-PH_OTYPE sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-PH_PGUID_REF sy-vline 
WA_/SAPAPO/CULL_FILTER_DCMP_ITEM_STR-PH_OTYPE_REF sy-vline      INTO ld_text SEPARATED BY SPACE.

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