ABAP Select data from SAP table VIXCCHESRQRI_TAB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIXCCHESRQRI_TAB
*  INTO TABLE @DATA(IT_VIXCCHESRQRI_TAB2).
*--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_VIXCCHESRQRI_TAB INDEX 1 INTO DATA(WA_VIXCCHESRQRI_TAB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIXCCHESRQRI_TAB>-ESRREFHGUID = 1.
<VIXCCHESRQRI_TAB>-CFPAYGUID = 1.
<VIXCCHESRQRI_TAB>-OBJNR = 1.
<VIXCCHESRQRI_TAB>-INTRENO = 1.
<VIXCCHESRQRI_TAB>-UNIQUECOND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIXCCHESRQRI_TAB-DOCGUID, sy-vline,
  WA_VIXCCHESRQRI_TAB-ITEMNO, sy-vline,
  WA_VIXCCHESRQRI_TAB-CONDTYPE, sy-vline,
  WA_VIXCCHESRQRI_TAB-CCGROSSAMOUNT, sy-vline,
  WA_VIXCCHESRQRI_TAB-CONDCURR, sy-vline,
  WA_VIXCCHESRQRI_TAB-DBERVON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIXCCHESRQRI_TAB 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_VIXCCHESRQRI_TAB 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_VIXCCHESRQRI_TAB INTO WA_VIXCCHESRQRI_TAB.


*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 CONDTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIXCCHESRQRI_TAB-CONDTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIXCCHESRQRI_TAB-CONDTYPE.
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_VIXCCHESRQRI_TAB_STR, 
ESRREFHGUID TYPE STRING,
CFPAYGUID TYPE STRING,
OBJNR TYPE STRING,
INTRENO TYPE STRING,
UNIQUECOND TYPE STRING,
DOCGUID TYPE STRING,
ITEMNO TYPE STRING,
CONDTYPE TYPE STRING,
CCGROSSAMOUNT TYPE STRING,
CONDCURR TYPE STRING,
DBERVON TYPE STRING,
DBERBIS TYPE STRING,
DFAELL TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIXCCHESRQRI_TAB_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_VIXCCHESRQRI_TAB_STR-ESRREFHGUID sy-vline 
WA_VIXCCHESRQRI_TAB_STR-CFPAYGUID sy-vline 
WA_VIXCCHESRQRI_TAB_STR-OBJNR sy-vline 
WA_VIXCCHESRQRI_TAB_STR-INTRENO sy-vline 
WA_VIXCCHESRQRI_TAB_STR-UNIQUECOND sy-vline 
WA_VIXCCHESRQRI_TAB_STR-DOCGUID sy-vline 
WA_VIXCCHESRQRI_TAB_STR-ITEMNO sy-vline 
WA_VIXCCHESRQRI_TAB_STR-CONDTYPE sy-vline 
WA_VIXCCHESRQRI_TAB_STR-CCGROSSAMOUNT sy-vline 
WA_VIXCCHESRQRI_TAB_STR-CONDCURR sy-vline 
WA_VIXCCHESRQRI_TAB_STR-DBERVON sy-vline 
WA_VIXCCHESRQRI_TAB_STR-DBERBIS sy-vline 
WA_VIXCCHESRQRI_TAB_STR-DFAELL sy-vline 
WA_VIXCCHESRQRI_TAB_STR-RERF sy-vline 
WA_VIXCCHESRQRI_TAB_STR-DERF sy-vline 
WA_VIXCCHESRQRI_TAB_STR-TERF sy-vline 
WA_VIXCCHESRQRI_TAB_STR-REHER sy-vline 
WA_VIXCCHESRQRI_TAB_STR-RBEAR sy-vline 
WA_VIXCCHESRQRI_TAB_STR-DBEAR sy-vline 
WA_VIXCCHESRQRI_TAB_STR-TBEAR sy-vline 
WA_VIXCCHESRQRI_TAB_STR-RBHER sy-vline      INTO ld_text SEPARATED BY SPACE.

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