ABAP Select data from SAP table V_TCCLG into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TCCLG
*  INTO TABLE @DATA(IT_V_TCCLG2).
*--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_V_TCCLG INDEX 1 INTO DATA(WA_V_TCCLG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TCCLG>-MANDT = 1.
<V_TCCLG>-CCBTC = 1.
<V_TCCLG>-BUKRS = 1.
<V_TCCLG>-HKONT = 1.
<V_TCCLG>-VBLNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TCCLG-GJAHR, sy-vline,
  WA_V_TCCLG-CCWAE, sy-vline,
  WA_V_TCCLG-SETWR, sy-vline,
  WA_V_TCCLG-XPOST, sy-vline,
  WA_V_TCCLG-XSUCC, sy-vline,
  WA_V_TCCLG-XFAIL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TCCLG 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_V_TCCLG 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_V_TCCLG INTO WA_V_TCCLG.


*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 CCBTC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TCCLG-CCBTC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TCCLG-CCBTC.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_TCCLG-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TCCLG-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field SETWR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_V_TCCLG-SETWR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TCCLG-SETWR.
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_V_TCCLG_STR, 
MANDT TYPE STRING,
CCBTC TYPE STRING,
BUKRS TYPE STRING,
HKONT TYPE STRING,
VBLNR TYPE STRING,
GJAHR TYPE STRING,
CCWAE TYPE STRING,
SETWR TYPE STRING,
XPOST TYPE STRING,
XSUCC TYPE STRING,
XFAIL TYPE STRING,
NSENT TYPE STRING,
FNAME TYPE STRING,
FDATU TYPE STRING,
FZEIT TYPE STRING,
LNAME TYPE STRING,
LDATU TYPE STRING,
LZEIT TYPE STRING,
NITEM TYPE STRING,
TXT20 TYPE STRING,
TXT40 TYPE STRING,
PDATU TYPE STRING,
PZEIT TYPE STRING,
HOSTB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TCCLG_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_V_TCCLG_STR-MANDT sy-vline 
WA_V_TCCLG_STR-CCBTC sy-vline 
WA_V_TCCLG_STR-BUKRS sy-vline 
WA_V_TCCLG_STR-HKONT sy-vline 
WA_V_TCCLG_STR-VBLNR sy-vline 
WA_V_TCCLG_STR-GJAHR sy-vline 
WA_V_TCCLG_STR-CCWAE sy-vline 
WA_V_TCCLG_STR-SETWR sy-vline 
WA_V_TCCLG_STR-XPOST sy-vline 
WA_V_TCCLG_STR-XSUCC sy-vline 
WA_V_TCCLG_STR-XFAIL sy-vline 
WA_V_TCCLG_STR-NSENT sy-vline 
WA_V_TCCLG_STR-FNAME sy-vline 
WA_V_TCCLG_STR-FDATU sy-vline 
WA_V_TCCLG_STR-FZEIT sy-vline 
WA_V_TCCLG_STR-LNAME sy-vline 
WA_V_TCCLG_STR-LDATU sy-vline 
WA_V_TCCLG_STR-LZEIT sy-vline 
WA_V_TCCLG_STR-NITEM sy-vline 
WA_V_TCCLG_STR-TXT20 sy-vline 
WA_V_TCCLG_STR-TXT40 sy-vline 
WA_V_TCCLG_STR-PDATU sy-vline 
WA_V_TCCLG_STR-PZEIT sy-vline 
WA_V_TCCLG_STR-HOSTB sy-vline      INTO ld_text SEPARATED BY SPACE.

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