ABAP Select data from SAP table CDS_CCSV_SM_EN_P into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CDS_CCSV_SM_EN_P
*  INTO TABLE @DATA(IT_CDS_CCSV_SM_EN_P2).
*--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_CDS_CCSV_SM_EN_P INDEX 1 INTO DATA(WA_CDS_CCSV_SM_EN_P2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CDS_CCSV_SM_EN_P>-MANDT = 1.
<CDS_CCSV_SM_EN_P>-COCO_NUM = 1.
<CDS_CCSV_SM_EN_P>-SETTLEMENT_DATE = 1.
<CDS_CCSV_SM_EN_P>-SETTL_DATE_SEQ_ID = 1.
<CDS_CCSV_SM_EN_P>-WAERL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CDS_CCSV_SM_EN_P-VEND_OWNER, sy-vline,
  WA_CDS_CCSV_SM_EN_P-CUST_OWNER, sy-vline,
  WA_CDS_CCSV_SM_EN_P-VEND_OWNER_DESCRIPTION, sy-vline,
  WA_CDS_CCSV_SM_EN_P-VEND_OWNER_BEGRU, sy-vline,
  WA_CDS_CCSV_SM_EN_P-CUST_OWNER_DESCRIPTION, sy-vline,
  WA_CDS_CCSV_SM_EN_P-CUST_OWNER_BEGRU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CDS_CCSV_SM_EN_P 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_CDS_CCSV_SM_EN_P 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_CDS_CCSV_SM_EN_P INTO WA_CDS_CCSV_SM_EN_P.


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

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

*Conversion exit ALPHA, internal->external for field CUST_OWNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDS_CCSV_SM_EN_P-CUST_OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDS_CCSV_SM_EN_P-CUST_OWNER.
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_CDS_CCSV_SM_EN_P_STR, 
MANDT TYPE STRING,
COCO_NUM TYPE STRING,
SETTLEMENT_DATE TYPE STRING,
SETTL_DATE_SEQ_ID TYPE STRING,
WAERL TYPE STRING,
VEND_OWNER TYPE STRING,
CUST_OWNER TYPE STRING,
VEND_OWNER_DESCRIPTION TYPE STRING,
VEND_OWNER_BEGRU TYPE STRING,
CUST_OWNER_DESCRIPTION TYPE STRING,
CUST_OWNER_BEGRU TYPE STRING,
SETTL_MONTH_YEAR TYPE STRING,
SETTL_LFART TYPE STRING,
SETTL_BUKRS TYPE STRING,
SETTL_EKORG TYPE STRING,
SETTL_EKGRP TYPE STRING,
SETTL_VKORG TYPE STRING,
SETTL_VTWEG TYPE STRING,
SETTL_SPART TYPE STRING,
COCO_TYPE TYPE STRING,
COCO_VKORG TYPE STRING,
COCO_VTWEG TYPE STRING,
COCO_SPART TYPE STRING,
COCO_EKORG TYPE STRING,
COCO_EKGRP TYPE STRING,
COCO_CATEGORY TYPE STRING,
COCO_REFERENCE TYPE STRING,
SETTL_DATE_TYPE TYPE STRING,
SETTL_DATE_TYPE_DESCR TYPE STRING,
NUMBER_SETTL_DOCS TYPE STRING,
NETWR TYPE STRING,
BRTWR TYPE STRING,
SKFBP TYPE STRING,
EFFWR TYPE STRING,
MWSBP TYPE STRING,
BUS_VOL TYPE STRING,
ACCR_REV TYPE STRING,
PART_SETTL_REV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CDS_CCSV_SM_EN_P_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_CDS_CCSV_SM_EN_P_STR-MANDT sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-COCO_NUM sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTLEMENT_DATE sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_DATE_SEQ_ID sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-WAERL sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-VEND_OWNER sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-CUST_OWNER sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-VEND_OWNER_DESCRIPTION sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-VEND_OWNER_BEGRU sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-CUST_OWNER_DESCRIPTION sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-CUST_OWNER_BEGRU sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_MONTH_YEAR sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_LFART sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_BUKRS sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_EKORG sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_EKGRP sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_VKORG sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_VTWEG sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_SPART sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-COCO_TYPE sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-COCO_VKORG sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-COCO_VTWEG sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-COCO_SPART sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-COCO_EKORG sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-COCO_EKGRP sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-COCO_CATEGORY sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-COCO_REFERENCE sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_DATE_TYPE sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SETTL_DATE_TYPE_DESCR sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-NUMBER_SETTL_DOCS sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-NETWR sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-BRTWR sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-SKFBP sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-EFFWR sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-MWSBP sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-BUS_VOL sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-ACCR_REV sy-vline 
WA_CDS_CCSV_SM_EN_P_STR-PART_SETTL_REV sy-vline      INTO ld_text SEPARATED BY SPACE.

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