ABAP Select data from SAP table CRMCHKRESL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMCHKRESL
*  INTO TABLE @DATA(IT_CRMCHKRESL2).
*--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_CRMCHKRESL INDEX 1 INTO DATA(WA_CRMCHKRESL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMCHKRESL>-OBJSETKIND = 1.
<CRMCHKRESL>-OBJSETID = 1.
<CRMCHKRESL>-PGMID = 1.
<CRMCHKRESL>-OBJECT = 1.
<CRMCHKRESL>-OBJ_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMCHKRESL-CHKID, sy-vline,
  WA_CRMCHKRESL-CHKMSGID, sy-vline,
  WA_CRMCHKRESL-POBJECT, sy-vline,
  WA_CRMCHKRESL-POBJ_NAME, sy-vline,
  WA_CRMCHKRESL-CHKRSLTNBR, sy-vline,
  WA_CRMCHKRESL-DLVUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMCHKRESL 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_CRMCHKRESL 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_CRMCHKRESL INTO WA_CRMCHKRESL.


*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 CRMUS, internal->external for field RESP
CALL FUNCTION 'CONVERSION_EXIT_CRMUS_OUTPUT'
  EXPORTING
    input =                      WA_CRMCHKRESL-RESP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMCHKRESL-RESP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CRMCHKRESL-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMCHKRESL-EMAIL.
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_CRMCHKRESL_STR, 
OBJSETKIND TYPE STRING,
OBJSETID TYPE STRING,
PGMID TYPE STRING,
OBJECT TYPE STRING,
OBJ_NAME TYPE STRING,
CHKID TYPE STRING,
CHKMSGID TYPE STRING,
POBJECT TYPE STRING,
POBJ_NAME TYPE STRING,
CHKRSLTNBR TYPE STRING,
DLVUNIT TYPE STRING,
DLVUREL TYPE STRING,
CHKVIEW TYPE STRING,
MSGGRPID TYPE STRING,
CHKMSGPRIO TYPE STRING,
CHKTSTAMP TYPE STRING,
ACKNOWLED TYPE STRING,
EXCEPTED TYPE STRING,
SUCCESS TYPE STRING,
ERROR TYPE STRING,
DEVCLASS TYPE STRING,
COMP_SHORT TYPE STRING,
RESP TYPE STRING,
RESPKIND TYPE STRING,
RESPOBJ TYPE STRING,
RESPLCHG TYPE STRING,
RESPDCL TYPE STRING,
EXISTTADIR TYPE STRING,
EXISTDEVCL TYPE STRING,
EXISTCOMP TYPE STRING,
DELIVERY TYPE STRING,
TRLAYER TYPE STRING,
COSTCENTER TYPE STRING,
EMAIL TYPE STRING,
RESP1 TYPE STRING,
RESP2 TYPE STRING,
RESP3 TYPE STRING,
RESP4 TYPE STRING,
RESP5 TYPE STRING,
CHKSYSTEM TYPE STRING,
CHKCLIENT TYPE STRING,
CHKDB TYPE STRING,
CHKOS TYPE STRING,
UNICODE TYPE STRING,
NEWMSG TYPE STRING,
PROJECT_GUID TYPE STRING,
PRIO1 TYPE STRING,
PRIO2 TYPE STRING,
PRIO3 TYPE STRING,
PRIO4 TYPE STRING,
Q_STANDARD TYPE STRING,
Q_PHASE_LIST TYPE STRING,
FIRST_OCCURRENCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMCHKRESL_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_CRMCHKRESL_STR-OBJSETKIND sy-vline 
WA_CRMCHKRESL_STR-OBJSETID sy-vline 
WA_CRMCHKRESL_STR-PGMID sy-vline 
WA_CRMCHKRESL_STR-OBJECT sy-vline 
WA_CRMCHKRESL_STR-OBJ_NAME sy-vline 
WA_CRMCHKRESL_STR-CHKID sy-vline 
WA_CRMCHKRESL_STR-CHKMSGID sy-vline 
WA_CRMCHKRESL_STR-POBJECT sy-vline 
WA_CRMCHKRESL_STR-POBJ_NAME sy-vline 
WA_CRMCHKRESL_STR-CHKRSLTNBR sy-vline 
WA_CRMCHKRESL_STR-DLVUNIT sy-vline 
WA_CRMCHKRESL_STR-DLVUREL sy-vline 
WA_CRMCHKRESL_STR-CHKVIEW sy-vline 
WA_CRMCHKRESL_STR-MSGGRPID sy-vline 
WA_CRMCHKRESL_STR-CHKMSGPRIO sy-vline 
WA_CRMCHKRESL_STR-CHKTSTAMP sy-vline 
WA_CRMCHKRESL_STR-ACKNOWLED sy-vline 
WA_CRMCHKRESL_STR-EXCEPTED sy-vline 
WA_CRMCHKRESL_STR-SUCCESS sy-vline 
WA_CRMCHKRESL_STR-ERROR sy-vline 
WA_CRMCHKRESL_STR-DEVCLASS sy-vline 
WA_CRMCHKRESL_STR-COMP_SHORT sy-vline 
WA_CRMCHKRESL_STR-RESP sy-vline 
WA_CRMCHKRESL_STR-RESPKIND sy-vline 
WA_CRMCHKRESL_STR-RESPOBJ sy-vline 
WA_CRMCHKRESL_STR-RESPLCHG sy-vline 
WA_CRMCHKRESL_STR-RESPDCL sy-vline 
WA_CRMCHKRESL_STR-EXISTTADIR sy-vline 
WA_CRMCHKRESL_STR-EXISTDEVCL sy-vline 
WA_CRMCHKRESL_STR-EXISTCOMP sy-vline 
WA_CRMCHKRESL_STR-DELIVERY sy-vline 
WA_CRMCHKRESL_STR-TRLAYER sy-vline 
WA_CRMCHKRESL_STR-COSTCENTER sy-vline 
WA_CRMCHKRESL_STR-EMAIL sy-vline 
WA_CRMCHKRESL_STR-RESP1 sy-vline 
WA_CRMCHKRESL_STR-RESP2 sy-vline 
WA_CRMCHKRESL_STR-RESP3 sy-vline 
WA_CRMCHKRESL_STR-RESP4 sy-vline 
WA_CRMCHKRESL_STR-RESP5 sy-vline 
WA_CRMCHKRESL_STR-CHKSYSTEM sy-vline 
WA_CRMCHKRESL_STR-CHKCLIENT sy-vline 
WA_CRMCHKRESL_STR-CHKDB sy-vline 
WA_CRMCHKRESL_STR-CHKOS sy-vline 
WA_CRMCHKRESL_STR-UNICODE sy-vline 
WA_CRMCHKRESL_STR-NEWMSG sy-vline 
WA_CRMCHKRESL_STR-PROJECT_GUID sy-vline 
WA_CRMCHKRESL_STR-PRIO1 sy-vline 
WA_CRMCHKRESL_STR-PRIO2 sy-vline 
WA_CRMCHKRESL_STR-PRIO3 sy-vline 
WA_CRMCHKRESL_STR-PRIO4 sy-vline 
WA_CRMCHKRESL_STR-Q_STANDARD sy-vline 
WA_CRMCHKRESL_STR-Q_PHASE_LIST sy-vline 
WA_CRMCHKRESL_STR-FIRST_OCCURRENCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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