ABAP Select data from SAP table CACS_S_ICM_DFKKCOH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CACS_S_ICM_DFKKCOH
*  INTO TABLE @DATA(IT_CACS_S_ICM_DFKKCOH2).
*--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_CACS_S_ICM_DFKKCOH INDEX 1 INTO DATA(WA_CACS_S_ICM_DFKKCOH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CACS_S_ICM_DFKKCOH>-MANDT = 1.
<CACS_S_ICM_DFKKCOH>-COTYP = 1.
<CACS_S_ICM_DFKKCOH>-COKEY_ICM = 1.
<CACS_S_ICM_DFKKCOH>-SENDSTATUS = 1.
<CACS_S_ICM_DFKKCOH>-RUNID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CACS_S_ICM_DFKKCOH-COPRC, sy-vline,
  WA_CACS_S_ICM_DFKKCOH-CTRTBU_ID, sy-vline,
  WA_CACS_S_ICM_DFKKCOH-CON_CURR, sy-vline,
  WA_CACS_S_ICM_DFKKCOH-STMTYPE_ID, sy-vline,
  WA_CACS_S_ICM_DFKKCOH-RECEIVER, sy-vline,
  WA_CACS_S_ICM_DFKKCOH-PRD_START_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CACS_S_ICM_DFKKCOH 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_CACS_S_ICM_DFKKCOH 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_CACS_S_ICM_DFKKCOH INTO WA_CACS_S_ICM_DFKKCOH.


*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 NUMCV, internal->external for field RUNID
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CACS_S_ICM_DFKKCOH-RUNID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS_S_ICM_DFKKCOH-RUNID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTPS, internal->external for field CTIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CACS_S_ICM_DFKKCOH-CTIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS_S_ICM_DFKKCOH-CTIMESTAMP.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit TSTPS, internal->external for field BUSITIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CACS_S_ICM_DFKKCOH-BUSITIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS_S_ICM_DFKKCOH-BUSITIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TECHTIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CACS_S_ICM_DFKKCOH-TECHTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS_S_ICM_DFKKCOH-TECHTIME.
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_CACS_S_ICM_DFKKCOH_STR, 
MANDT TYPE STRING,
COTYP TYPE STRING,
COKEY_ICM TYPE STRING,
SENDSTATUS TYPE STRING,
RUNID TYPE STRING,
COPRC TYPE STRING,
CTRTBU_ID TYPE STRING,
CON_CURR TYPE STRING,
STMTYPE_ID TYPE STRING,
RECEIVER TYPE STRING,
PRD_START_DATE TYPE STRING,
PRD_END_DATE TYPE STRING,
CTIMESTAMP TYPE STRING,
GPART TYPE STRING,
ORG_GPART TYPE STRING,
ADD_GPART TYPE STRING,
SENDCONTROL TYPE STRING,
PERSNUMBER TYPE STRING,
PRD_RULE_ID TYPE STRING,
PRD_RULE_VERS TYPE STRING,
PRD_NO TYPE STRING,
PRD_VERS TYPE STRING,
BUSITIME TYPE STRING,
TECHTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CACS_S_ICM_DFKKCOH_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_CACS_S_ICM_DFKKCOH_STR-MANDT sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-COTYP sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-COKEY_ICM sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-SENDSTATUS sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-RUNID sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-COPRC sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-CTRTBU_ID sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-CON_CURR sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-STMTYPE_ID sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-RECEIVER sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-PRD_START_DATE sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-PRD_END_DATE sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-CTIMESTAMP sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-GPART sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-ORG_GPART sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-ADD_GPART sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-SENDCONTROL sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-PERSNUMBER sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-PRD_RULE_ID sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-PRD_RULE_VERS sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-PRD_NO sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-PRD_VERS sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-BUSITIME sy-vline 
WA_CACS_S_ICM_DFKKCOH_STR-TECHTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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