ABAP Select data from SAP table VV_T77PAYKZ_CLCIT_EHIR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VV_T77PAYKZ_CLCIT_EHIR 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 VV_T77PAYKZ_CLCIT_EHIR. 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 VV_T77PAYKZ_CLCIT_EHIR 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_VV_T77PAYKZ_CLCIT_EHIR TYPE STANDARD TABLE OF VV_T77PAYKZ_CLCIT_EHIR,
      WA_VV_T77PAYKZ_CLCIT_EHIR TYPE VV_T77PAYKZ_CLCIT_EHIR,
      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: <VV_T77PAYKZ_CLCIT_EHIR> TYPE VV_T77PAYKZ_CLCIT_EHIR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VV_T77PAYKZ_CLCIT_EHIR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VV_T77PAYKZ_CLCIT_EHIR
  INTO TABLE IT_VV_T77PAYKZ_CLCIT_EHIR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VV_T77PAYKZ_CLCIT_EHIR
*  INTO TABLE @DATA(IT_VV_T77PAYKZ_CLCIT_EHIR2).
*--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_VV_T77PAYKZ_CLCIT_EHIR INDEX 1 INTO DATA(WA_VV_T77PAYKZ_CLCIT_EHIR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VV_T77PAYKZ_CLCIT_EHIR ASSIGNING <VV_T77PAYKZ_CLCIT_EHIR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VV_T77PAYKZ_CLCIT_EHIR>-MANDT = 1.
<VV_T77PAYKZ_CLCIT_EHIR>-ITBLD = 1.
<VV_T77PAYKZ_CLCIT_EHIR>-CLCAT = 1.
<VV_T77PAYKZ_CLCIT_EHIR>-INFTY = 1.
<VV_T77PAYKZ_CLCIT_EHIR>-SUBTY = 1.

ENDLOOP.

LOOP AT IT_VV_T77PAYKZ_CLCIT_EHIR INTO WA_VV_T77PAYKZ_CLCIT_EHIR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VV_T77PAYKZ_CLCIT_EHIR-MASSN, sy-vline,
  WA_VV_T77PAYKZ_CLCIT_EHIR-MASSG, sy-vline,
  WA_VV_T77PAYKZ_CLCIT_EHIR-ENDDA, sy-vline,
  WA_VV_T77PAYKZ_CLCIT_EHIR-MNTXT, sy-vline,
  WA_VV_T77PAYKZ_CLCIT_EHIR-MGTXT, sy-vline,
  WA_VV_T77PAYKZ_CLCIT_EHIR-ITEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VV_T77PAYKZ_CLCIT_EHIR 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_VV_T77PAYKZ_CLCIT_EHIR 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_VV_T77PAYKZ_CLCIT_EHIR INTO WA_VV_T77PAYKZ_CLCIT_EHIR.


*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_VV_T77PAYKZ_CLCIT_EHIR_STR, 
MANDT TYPE STRING,
ITBLD TYPE STRING,
CLCAT TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
MASSN TYPE STRING,
MASSG TYPE STRING,
ENDDA TYPE STRING,
MNTXT TYPE STRING,
MGTXT TYPE STRING,
ITEXT TYPE STRING,
BEGDA TYPE STRING,
CLCTT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VV_T77PAYKZ_CLCIT_EHIR_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_VV_T77PAYKZ_CLCIT_EHIR_STR-MANDT sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-ITBLD sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-CLCAT sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-INFTY sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-SUBTY sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-MASSN sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-MASSG sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-ENDDA sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-MNTXT sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-MGTXT sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-ITEXT sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-BEGDA sy-vline 
WA_VV_T77PAYKZ_CLCIT_EHIR_STR-CLCTT sy-vline      INTO ld_text SEPARATED BY SPACE.

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