ABAP Select data from SAP table /BIC/CCTA2LIS_02_S851 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BIC/CCTA2LIS_02_S851 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 /BIC/CCTA2LIS_02_S851. 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 /BIC/CCTA2LIS_02_S851 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_/BIC/CCTA2LIS_02_S851 TYPE STANDARD TABLE OF /BIC/CCTA2LIS_02_S851,
      WA_/BIC/CCTA2LIS_02_S851 TYPE /BIC/CCTA2LIS_02_S851,
      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: </BIC/CCTA2LIS_02_S851> TYPE /BIC/CCTA2LIS_02_S851.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BIC/CCTA2LIS_02_S851.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BIC/CCTA2LIS_02_S851
  INTO TABLE IT_/BIC/CCTA2LIS_02_S851.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BIC/CCTA2LIS_02_S851
*  INTO TABLE @DATA(IT_/BIC/CCTA2LIS_02_S8512).
*--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_/BIC/CCTA2LIS_02_S851 INDEX 1 INTO DATA(WA_/BIC/CCTA2LIS_02_S8512).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BIC/CCTA2LIS_02_S851 ASSIGNING </BIC/CCTA2LIS_02_S851>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BIC/CCTA2LIS_02_S851>-STORNO = 1.
</BIC/CCTA2LIS_02_S851>-WRTTP = 1.
</BIC/CCTA2LIS_02_S851>-VRSIO = 1.
</BIC/CCTA2LIS_02_S851>-SPMON = 1.
</BIC/CCTA2LIS_02_S851>-SPTAG = 1.

ENDLOOP.

LOOP AT IT_/BIC/CCTA2LIS_02_S851 INTO WA_/BIC/CCTA2LIS_02_S851.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BIC/CCTA2LIS_02_S851-SPWOC, sy-vline,
  WA_/BIC/CCTA2LIS_02_S851-SPBUP, sy-vline,
  WA_/BIC/CCTA2LIS_02_S851-EKORG, sy-vline,
  WA_/BIC/CCTA2LIS_02_S851-WERKS, sy-vline,
  WA_/BIC/CCTA2LIS_02_S851-LIFNR, sy-vline,
  WA_/BIC/CCTA2LIS_02_S851-MATKL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BIC/CCTA2LIS_02_S851 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_/BIC/CCTA2LIS_02_S851 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_/BIC/CCTA2LIS_02_S851 INTO WA_/BIC/CCTA2LIS_02_S851.


*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_/BIC/CCTA2LIS_02_S851_STR, 
STORNO TYPE STRING,
WRTTP TYPE STRING,
VRSIO TYPE STRING,
SPMON TYPE STRING,
SPTAG TYPE STRING,
SPWOC TYPE STRING,
SPBUP TYPE STRING,
EKORG TYPE STRING,
WERKS TYPE STRING,
LIFNR TYPE STRING,
MATKL TYPE STRING,
MATNR TYPE STRING,
PERIV TYPE STRING,
BASME TYPE STRING,
HWAER TYPE STRING,
MENGE TYPE STRING,
WEMNG TYPE STRING,
REMNG TYPE STRING,
LSMNG TYPE STRING,
NETWR TYPE STRING,
REWRT TYPE STRING,
ABSTP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BIC/CCTA2LIS_02_S851_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_/BIC/CCTA2LIS_02_S851_STR-STORNO sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-WRTTP sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-VRSIO sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-SPMON sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-SPTAG sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-SPWOC sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-SPBUP sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-EKORG sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-WERKS sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-LIFNR sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-MATKL sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-MATNR sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-PERIV sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-BASME sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-HWAER sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-MENGE sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-WEMNG sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-REMNG sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-LSMNG sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-NETWR sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-REWRT sy-vline 
WA_/BIC/CCTA2LIS_02_S851_STR-ABSTP sy-vline      INTO ld_text SEPARATED BY SPACE.

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