ABAP Select data from SAP table CRMT_PSCD_COBJ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_PSCD_COBJ
*  INTO TABLE @DATA(IT_CRMT_PSCD_COBJ2).
*--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_CRMT_PSCD_COBJ INDEX 1 INTO DATA(WA_CRMT_PSCD_COBJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_PSCD_COBJ>-PSOB_NR = 1.
<CRMT_PSCD_COBJ>-BUAG_ID = 1.
<CRMT_PSCD_COBJ>-BPARTNER = 1.
<CRMT_PSCD_COBJ>-PSOB_GUID = 1.
<CRMT_PSCD_COBJ>-BUAG_GUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_PSCD_COBJ-PSOB_TXT, sy-vline,
  WA_CRMT_PSCD_COBJ-BPARTNER_GUID, sy-vline,
  WA_CRMT_PSCD_COBJ-BPARTNER_TXT, sy-vline,
  WA_CRMT_PSCD_COBJ-BUAG_TXT, sy-vline,
  WA_CRMT_PSCD_COBJ-BUAG_CLASS, sy-vline,
  WA_CRMT_PSCD_COBJ-BUAG_DEFAULT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_PSCD_COBJ 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_CRMT_PSCD_COBJ 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_CRMT_PSCD_COBJ INTO WA_CRMT_PSCD_COBJ.


*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 PRID1, internal->external for field PSOB_NR
CALL FUNCTION 'CONVERSION_EXIT_PRID1_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_PSCD_COBJ-PSOB_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_PSCD_COBJ-PSOB_NR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUAG_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_PSCD_COBJ-BUAG_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_PSCD_COBJ-BUAG_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_PSCD_COBJ-BPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_PSCD_COBJ-BPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALT_PAYRECP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_PSCD_COBJ-ALT_PAYRECP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_PSCD_COBJ-ALT_PAYRECP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALT_PAYER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_PSCD_COBJ-ALT_PAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_PSCD_COBJ-ALT_PAYER.
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_CRMT_PSCD_COBJ_STR, 
PSOB_NR TYPE STRING,
BUAG_ID TYPE STRING,
BPARTNER TYPE STRING,
PSOB_GUID TYPE STRING,
BUAG_GUID TYPE STRING,
PSOB_TXT TYPE STRING,
BPARTNER_GUID TYPE STRING,
BPARTNER_TXT TYPE STRING,
BUAG_TXT TYPE STRING,
BUAG_CLASS TYPE STRING,
BUAG_DEFAULT TYPE STRING,
BASCATEGORY_ID TYPE STRING,
OBJECT_FAMILY TYPE STRING,
PSCD_ID TYPE STRING,
KEYNR_OLD TYPE STRING,
AUTHGR TYPE STRING,
ALT_PAYRECP_GUID TYPE STRING,
ALT_PAYRECP TYPE STRING,
ALT_PAYRECP_NAM TYPE STRING,
PAYMETH_OUT TYPE STRING,
ALT_PAYER_GUID TYPE STRING,
ALT_PAYER TYPE STRING,
ALT_PAYER_NAM TYPE STRING,
PAYMETH_IN TYPE STRING,
TEXT1 TYPE STRING,
TEXT2 TYPE STRING,
TEXT3 TYPE STRING,
TEXT4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_PSCD_COBJ_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_CRMT_PSCD_COBJ_STR-PSOB_NR sy-vline 
WA_CRMT_PSCD_COBJ_STR-BUAG_ID sy-vline 
WA_CRMT_PSCD_COBJ_STR-BPARTNER sy-vline 
WA_CRMT_PSCD_COBJ_STR-PSOB_GUID sy-vline 
WA_CRMT_PSCD_COBJ_STR-BUAG_GUID sy-vline 
WA_CRMT_PSCD_COBJ_STR-PSOB_TXT sy-vline 
WA_CRMT_PSCD_COBJ_STR-BPARTNER_GUID sy-vline 
WA_CRMT_PSCD_COBJ_STR-BPARTNER_TXT sy-vline 
WA_CRMT_PSCD_COBJ_STR-BUAG_TXT sy-vline 
WA_CRMT_PSCD_COBJ_STR-BUAG_CLASS sy-vline 
WA_CRMT_PSCD_COBJ_STR-BUAG_DEFAULT sy-vline 
WA_CRMT_PSCD_COBJ_STR-BASCATEGORY_ID sy-vline 
WA_CRMT_PSCD_COBJ_STR-OBJECT_FAMILY sy-vline 
WA_CRMT_PSCD_COBJ_STR-PSCD_ID sy-vline 
WA_CRMT_PSCD_COBJ_STR-KEYNR_OLD sy-vline 
WA_CRMT_PSCD_COBJ_STR-AUTHGR sy-vline 
WA_CRMT_PSCD_COBJ_STR-ALT_PAYRECP_GUID sy-vline 
WA_CRMT_PSCD_COBJ_STR-ALT_PAYRECP sy-vline 
WA_CRMT_PSCD_COBJ_STR-ALT_PAYRECP_NAM sy-vline 
WA_CRMT_PSCD_COBJ_STR-PAYMETH_OUT sy-vline 
WA_CRMT_PSCD_COBJ_STR-ALT_PAYER_GUID sy-vline 
WA_CRMT_PSCD_COBJ_STR-ALT_PAYER sy-vline 
WA_CRMT_PSCD_COBJ_STR-ALT_PAYER_NAM sy-vline 
WA_CRMT_PSCD_COBJ_STR-PAYMETH_IN sy-vline 
WA_CRMT_PSCD_COBJ_STR-TEXT1 sy-vline 
WA_CRMT_PSCD_COBJ_STR-TEXT2 sy-vline 
WA_CRMT_PSCD_COBJ_STR-TEXT3 sy-vline 
WA_CRMT_PSCD_COBJ_STR-TEXT4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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