ABAP Select data from SAP table CNV_PE_S_T093 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CNV_PE_S_T093 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 CNV_PE_S_T093. 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 CNV_PE_S_T093 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_CNV_PE_S_T093 TYPE STANDARD TABLE OF CNV_PE_S_T093,
      WA_CNV_PE_S_T093 TYPE CNV_PE_S_T093,
      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: <CNV_PE_S_T093> TYPE CNV_PE_S_T093.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CNV_PE_S_T093.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CNV_PE_S_T093
  INTO TABLE IT_CNV_PE_S_T093.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNV_PE_S_T093
*  INTO TABLE @DATA(IT_CNV_PE_S_T0932).
*--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_CNV_PE_S_T093 INDEX 1 INTO DATA(WA_CNV_PE_S_T0932).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CNV_PE_S_T093 ASSIGNING <CNV_PE_S_T093>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNV_PE_S_T093>-AFAPL = 1.
<CNV_PE_S_T093>-AFABER = 1.
<CNV_PE_S_T093>-XSTORE = 1.
<CNV_PE_S_T093>-VZANSW = 1.
<CNV_PE_S_T093>-VZREST = 1.

ENDLOOP.

LOOP AT IT_CNV_PE_S_T093 INTO WA_CNV_PE_S_T093.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNV_PE_S_T093-BUHBKT, sy-vline,
  WA_CNV_PE_S_T093-VZINVZ, sy-vline,
  WA_CNV_PE_S_T093-VZAWMA, sy-vline,
  WA_CNV_PE_S_T093-VZNAFA, sy-vline,
  WA_CNV_PE_S_T093-VZSAFA, sy-vline,
  WA_CNV_PE_S_T093-VZAAFA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CNV_PE_S_T093 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_CNV_PE_S_T093 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_CNV_PE_S_T093 INTO WA_CNV_PE_S_T093.


*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_CNV_PE_S_T093_STR, 
AFAPL TYPE STRING,
AFABER TYPE STRING,
XSTORE TYPE STRING,
VZANSW TYPE STRING,
VZREST TYPE STRING,
BUHBKT TYPE STRING,
VZINVZ TYPE STRING,
VZAWMA TYPE STRING,
VZNAFA TYPE STRING,
VZSAFA TYPE STRING,
VZAAFA TYPE STRING,
VZINDW TYPE STRING,
VZZINS TYPE STRING,
VZINDA TYPE STRING,
AFABEO TYPE STRING,
XBEREP TYPE STRING,
CORRBE TYPE STRING,
GAFABER TYPE STRING,
AFBKTX TYPE STRING,
AFBTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CNV_PE_S_T093_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_CNV_PE_S_T093_STR-AFAPL sy-vline 
WA_CNV_PE_S_T093_STR-AFABER sy-vline 
WA_CNV_PE_S_T093_STR-XSTORE sy-vline 
WA_CNV_PE_S_T093_STR-VZANSW sy-vline 
WA_CNV_PE_S_T093_STR-VZREST sy-vline 
WA_CNV_PE_S_T093_STR-BUHBKT sy-vline 
WA_CNV_PE_S_T093_STR-VZINVZ sy-vline 
WA_CNV_PE_S_T093_STR-VZAWMA sy-vline 
WA_CNV_PE_S_T093_STR-VZNAFA sy-vline 
WA_CNV_PE_S_T093_STR-VZSAFA sy-vline 
WA_CNV_PE_S_T093_STR-VZAAFA sy-vline 
WA_CNV_PE_S_T093_STR-VZINDW sy-vline 
WA_CNV_PE_S_T093_STR-VZZINS sy-vline 
WA_CNV_PE_S_T093_STR-VZINDA sy-vline 
WA_CNV_PE_S_T093_STR-AFABEO sy-vline 
WA_CNV_PE_S_T093_STR-XBEREP sy-vline 
WA_CNV_PE_S_T093_STR-CORRBE sy-vline 
WA_CNV_PE_S_T093_STR-GAFABER sy-vline 
WA_CNV_PE_S_T093_STR-AFBKTX sy-vline 
WA_CNV_PE_S_T093_STR-AFBTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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