ABAP Select data from SAP table CXCV_V_TCX00 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CXCV_V_TCX00 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 CXCV_V_TCX00. 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 CXCV_V_TCX00 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_CXCV_V_TCX00 TYPE STANDARD TABLE OF CXCV_V_TCX00,
      WA_CXCV_V_TCX00 TYPE CXCV_V_TCX00,
      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: <CXCV_V_TCX00> TYPE CXCV_V_TCX00.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CXCV_V_TCX00.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CXCV_V_TCX00
  INTO TABLE IT_CXCV_V_TCX00.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CXCV_V_TCX00
*  INTO TABLE @DATA(IT_CXCV_V_TCX002).
*--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_CXCV_V_TCX00 INDEX 1 INTO DATA(WA_CXCV_V_TCX002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CXCV_V_TCX00 ASSIGNING <CXCV_V_TCX00>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CXCV_V_TCX00>-MANDT = 1.
<CXCV_V_TCX00>-WERKS = 1.
<CXCV_V_TCX00>-AUFTG = 1.
<CXCV_V_TCX00>-AUFTA = 1.
<CXCV_V_TCX00>-VAGRP = 1.

ENDLOOP.

LOOP AT IT_CXCV_V_TCX00 INTO WA_CXCV_V_TCX00.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CXCV_V_TCX00-PHORI, sy-vline,
  WA_CXCV_V_TCX00-APLS1, sy-vline,
  WA_CXCV_V_TCX00-TERM1, sy-vline,
  WA_CXCV_V_TCX00-KAPK1, sy-vline,
  WA_CXCV_V_TCX00-PHORI_2, sy-vline,
  WA_CXCV_V_TCX00-APLS1_2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CXCV_V_TCX00 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_CXCV_V_TCX00 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_CXCV_V_TCX00 INTO WA_CXCV_V_TCX00.


*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_CXCV_V_TCX00_STR, 
MANDT TYPE STRING,
WERKS TYPE STRING,
AUFTG TYPE STRING,
AUFTA TYPE STRING,
VAGRP TYPE STRING,
PHORI TYPE STRING,
APLS1 TYPE STRING,
TERM1 TYPE STRING,
KAPK1 TYPE STRING,
PHORI_2 TYPE STRING,
APLS1_2 TYPE STRING,
TERM1_2 TYPE STRING,
KAPK1_2 TYPE STRING,
PHORI_3 TYPE STRING,
APLS1_3 TYPE STRING,
KAPK1_3 TYPE STRING,
TERM1_3 TYPE STRING,
LINE_TERM TYPE STRING,
RATHR TYPE STRING,
APLS2 TYPE STRING,
TERM2 TYPE STRING,
KAPK2 TYPE STRING,
GROHR TYPE STRING,
APLS3 TYPE STRING,
TERM3 TYPE STRING,
KAPK3 TYPE STRING,
DADJ1 TYPE STRING,
DADJ2 TYPE STRING,
DADJ3 TYPE STRING,
TERMKZ TYPE STRING,
TERM_AUTO TYPE STRING,
PROT_AUTO TYPE STRING,
STVERG TYPE STRING,
MATFRUEH TYPE STRING,
BREAKS TYPE STRING,
PROD_DATES TYPE STRING,
AUF_SHIFT TYPE STRING,
REDST_MAX TYPE STRING,
RED_ART TYPE STRING,
REDVS_S1 TYPE STRING,
REDVS_S2 TYPE STRING,
REDVS_S3 TYPE STRING,
REDVS_S4 TYPE STRING,
REDVS_S5 TYPE STRING,
REDVS_S6 TYPE STRING,
TERM_KPER TYPE STRING,
CMACT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CXCV_V_TCX00_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_CXCV_V_TCX00_STR-MANDT sy-vline 
WA_CXCV_V_TCX00_STR-WERKS sy-vline 
WA_CXCV_V_TCX00_STR-AUFTG sy-vline 
WA_CXCV_V_TCX00_STR-AUFTA sy-vline 
WA_CXCV_V_TCX00_STR-VAGRP sy-vline 
WA_CXCV_V_TCX00_STR-PHORI sy-vline 
WA_CXCV_V_TCX00_STR-APLS1 sy-vline 
WA_CXCV_V_TCX00_STR-TERM1 sy-vline 
WA_CXCV_V_TCX00_STR-KAPK1 sy-vline 
WA_CXCV_V_TCX00_STR-PHORI_2 sy-vline 
WA_CXCV_V_TCX00_STR-APLS1_2 sy-vline 
WA_CXCV_V_TCX00_STR-TERM1_2 sy-vline 
WA_CXCV_V_TCX00_STR-KAPK1_2 sy-vline 
WA_CXCV_V_TCX00_STR-PHORI_3 sy-vline 
WA_CXCV_V_TCX00_STR-APLS1_3 sy-vline 
WA_CXCV_V_TCX00_STR-KAPK1_3 sy-vline 
WA_CXCV_V_TCX00_STR-TERM1_3 sy-vline 
WA_CXCV_V_TCX00_STR-LINE_TERM sy-vline 
WA_CXCV_V_TCX00_STR-RATHR sy-vline 
WA_CXCV_V_TCX00_STR-APLS2 sy-vline 
WA_CXCV_V_TCX00_STR-TERM2 sy-vline 
WA_CXCV_V_TCX00_STR-KAPK2 sy-vline 
WA_CXCV_V_TCX00_STR-GROHR sy-vline 
WA_CXCV_V_TCX00_STR-APLS3 sy-vline 
WA_CXCV_V_TCX00_STR-TERM3 sy-vline 
WA_CXCV_V_TCX00_STR-KAPK3 sy-vline 
WA_CXCV_V_TCX00_STR-DADJ1 sy-vline 
WA_CXCV_V_TCX00_STR-DADJ2 sy-vline 
WA_CXCV_V_TCX00_STR-DADJ3 sy-vline 
WA_CXCV_V_TCX00_STR-TERMKZ sy-vline 
WA_CXCV_V_TCX00_STR-TERM_AUTO sy-vline 
WA_CXCV_V_TCX00_STR-PROT_AUTO sy-vline 
WA_CXCV_V_TCX00_STR-STVERG sy-vline 
WA_CXCV_V_TCX00_STR-MATFRUEH sy-vline 
WA_CXCV_V_TCX00_STR-BREAKS sy-vline 
WA_CXCV_V_TCX00_STR-PROD_DATES sy-vline 
WA_CXCV_V_TCX00_STR-AUF_SHIFT sy-vline 
WA_CXCV_V_TCX00_STR-REDST_MAX sy-vline 
WA_CXCV_V_TCX00_STR-RED_ART sy-vline 
WA_CXCV_V_TCX00_STR-REDVS_S1 sy-vline 
WA_CXCV_V_TCX00_STR-REDVS_S2 sy-vline 
WA_CXCV_V_TCX00_STR-REDVS_S3 sy-vline 
WA_CXCV_V_TCX00_STR-REDVS_S4 sy-vline 
WA_CXCV_V_TCX00_STR-REDVS_S5 sy-vline 
WA_CXCV_V_TCX00_STR-REDVS_S6 sy-vline 
WA_CXCV_V_TCX00_STR-TERM_KPER sy-vline 
WA_CXCV_V_TCX00_STR-CMACT sy-vline      INTO ld_text SEPARATED BY SPACE.

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