ABAP Select data from SAP table /BI0/CCTAPS_CSH_NTW into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BI0/CCTAPS_CSH_NTW 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 /BI0/CCTAPS_CSH_NTW. 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 /BI0/CCTAPS_CSH_NTW 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_/BI0/CCTAPS_CSH_NTW TYPE STANDARD TABLE OF /BI0/CCTAPS_CSH_NTW,
      WA_/BI0/CCTAPS_CSH_NTW TYPE /BI0/CCTAPS_CSH_NTW,
      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: </BI0/CCTAPS_CSH_NTW> TYPE /BI0/CCTAPS_CSH_NTW.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BI0/CCTAPS_CSH_NTW.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BI0/CCTAPS_CSH_NTW
  INTO TABLE IT_/BI0/CCTAPS_CSH_NTW.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BI0/CCTAPS_CSH_NTW
*  INTO TABLE @DATA(IT_/BI0/CCTAPS_CSH_NTW2).
*--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_/BI0/CCTAPS_CSH_NTW INDEX 1 INTO DATA(WA_/BI0/CCTAPS_CSH_NTW2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BI0/CCTAPS_CSH_NTW ASSIGNING </BI0/CCTAPS_CSH_NTW>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BI0/CCTAPS_CSH_NTW>-PSPID = 1.
</BI0/CCTAPS_CSH_NTW>-POSID = 1.
</BI0/CCTAPS_CSH_NTW>-AUFNR = 1.
</BI0/CCTAPS_CSH_NTW>-KOKRS = 1.
</BI0/CCTAPS_CSH_NTW>-FISCVAR = 1.

ENDLOOP.

LOOP AT IT_/BI0/CCTAPS_CSH_NTW INTO WA_/BI0/CCTAPS_CSH_NTW.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BI0/CCTAPS_CSH_NTW-FISCPER, sy-vline,
  WA_/BI0/CCTAPS_CSH_NTW-VTYPE, sy-vline,
  WA_/BI0/CCTAPS_CSH_NTW-CASHTYPE, sy-vline,
  WA_/BI0/CCTAPS_CSH_NTW-CASHDETAIL, sy-vline,
  WA_/BI0/CCTAPS_CSH_NTW-VERSN, sy-vline,
  WA_/BI0/CCTAPS_CSH_NTW-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BI0/CCTAPS_CSH_NTW 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_/BI0/CCTAPS_CSH_NTW 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_/BI0/CCTAPS_CSH_NTW INTO WA_/BI0/CCTAPS_CSH_NTW.


*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_/BI0/CCTAPS_CSH_NTW_STR, 
PSPID TYPE STRING,
POSID TYPE STRING,
AUFNR TYPE STRING,
KOKRS TYPE STRING,
FISCVAR TYPE STRING,
FISCPER TYPE STRING,
VTYPE TYPE STRING,
CASHTYPE TYPE STRING,
CASHDETAIL TYPE STRING,
VERSN TYPE STRING,
WAERS TYPE STRING,
CURTYPE TYPE STRING,
CSHAMNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BI0/CCTAPS_CSH_NTW_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_/BI0/CCTAPS_CSH_NTW_STR-PSPID sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-POSID sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-AUFNR sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-KOKRS sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-FISCVAR sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-FISCPER sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-VTYPE sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-CASHTYPE sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-CASHDETAIL sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-VERSN sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-WAERS sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-CURTYPE sy-vline 
WA_/BI0/CCTAPS_CSH_NTW_STR-CSHAMNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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