ABAP Select data from SAP table CASSOCPRODCMPSTN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CASSOCPRODCMPSTN
*  INTO TABLE @DATA(IT_CASSOCPRODCMPSTN2).
*--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_CASSOCPRODCMPSTN INDEX 1 INTO DATA(WA_CASSOCPRODCMPSTN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CASSOCPRODCMPSTN>-MANDT = 1.
<CASSOCPRODCMPSTN>-CHMLCMPLNCINFOUUID = 1.
<CASSOCPRODCMPSTN>-CHMLCOMPOSITIONTYPE = 1.
<CASSOCPRODCMPSTN>-CHMLCOMPOSITIONTYPENAME = 1.
<CASSOCPRODCMPSTN>-CHMLCOMPOSITIONCOMBINEDNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CASSOCPRODCMPSTN-CHMLCMPSTNNAVGNSTATUS, sy-vline,
  WA_CASSOCPRODCMPSTN-CHMLCMPSTNNAVGNSTATUSNAME, sy-vline,
  WA_CASSOCPRODCMPSTN-CHMLCMPSTNNAVGNSTATUSCRITLTY, sy-vline,
  WA_CASSOCPRODCMPSTN-CHMLCMPSTNNAVGNLINKUUID, sy-vline,
  WA_CASSOCPRODCMPSTN-CHMLCMPSTNISACTIVE, sy-vline,
  WA_CASSOCPRODCMPSTN-SEMANTICOBJECT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CASSOCPRODCMPSTN 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_CASSOCPRODCMPSTN 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_CASSOCPRODCMPSTN INTO WA_CASSOCPRODCMPSTN.


*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_CASSOCPRODCMPSTN_STR, 
MANDT TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
CHMLCOMPOSITIONTYPE TYPE STRING,
CHMLCOMPOSITIONTYPENAME TYPE STRING,
CHMLCOMPOSITIONCOMBINEDNAME TYPE STRING,
CHMLCMPSTNNAVGNSTATUS TYPE STRING,
CHMLCMPSTNNAVGNSTATUSNAME TYPE STRING,
CHMLCMPSTNNAVGNSTATUSCRITLTY TYPE STRING,
CHMLCMPSTNNAVGNLINKUUID TYPE STRING,
CHMLCMPSTNISACTIVE TYPE STRING,
SEMANTICOBJECT TYPE STRING,
SEMANTICOBJECTACTION TYPE STRING,
CHMLCMPSTNNAVGNLINKPARAMNAME TYPE STRING,
CHMLCMPSTNACTIVEINDPARAMNAME TYPE STRING,
CHMLCOMPOSITIONINPROCESSUUID TYPE STRING,
CHMLCMPSTNINPROCISACTIVEENTITY TYPE STRING,
CHMLCMPSTNINPROCSTATUS TYPE STRING,
CHMLCOMPOSITIONRELEASEDUUID TYPE STRING,
CHMLCMPSTNRELDISACTIVEENTITY TYPE STRING,
CHMLCMPSTNRELDSTATUS TYPE STRING,
CHMLCOMPOSITIONSORT TYPE STRING,
MATERIALISPRODUCED TYPE STRING,
MATERIALISSOLD TYPE STRING,
MATERIALISSOURCED TYPE STRING,
MATERIALISTRANSPORTED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CASSOCPRODCMPSTN_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_CASSOCPRODCMPSTN_STR-MANDT sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCOMPOSITIONTYPE sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCOMPOSITIONTYPENAME sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCOMPOSITIONCOMBINEDNAME sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNNAVGNSTATUS sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNNAVGNSTATUSNAME sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNNAVGNSTATUSCRITLTY sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNNAVGNLINKUUID sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNISACTIVE sy-vline 
WA_CASSOCPRODCMPSTN_STR-SEMANTICOBJECT sy-vline 
WA_CASSOCPRODCMPSTN_STR-SEMANTICOBJECTACTION sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNNAVGNLINKPARAMNAME sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNACTIVEINDPARAMNAME sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCOMPOSITIONINPROCESSUUID sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNINPROCISACTIVEENTITY sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNINPROCSTATUS sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCOMPOSITIONRELEASEDUUID sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNRELDISACTIVEENTITY sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCMPSTNRELDSTATUS sy-vline 
WA_CASSOCPRODCMPSTN_STR-CHMLCOMPOSITIONSORT sy-vline 
WA_CASSOCPRODCMPSTN_STR-MATERIALISPRODUCED sy-vline 
WA_CASSOCPRODCMPSTN_STR-MATERIALISSOLD sy-vline 
WA_CASSOCPRODCMPSTN_STR-MATERIALISSOURCED sy-vline 
WA_CASSOCPRODCMPSTN_STR-MATERIALISTRANSPORTED sy-vline      INTO ld_text SEPARATED BY SPACE.

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