ABAP Select data from SAP table PRCV_CONDSCHEMED into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRCV_CONDSCHEMED
*  INTO TABLE @DATA(IT_PRCV_CONDSCHEMED2).
*--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_PRCV_CONDSCHEMED INDEX 1 INTO DATA(WA_PRCV_CONDSCHEMED2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRCV_CONDSCHEMED>-MANDT = 1.
<PRCV_CONDSCHEMED>-KAPPL = 1.
<PRCV_CONDSCHEMED>-KALSM = 1.
<PRCV_CONDSCHEMED>-VERSI = 1.
<PRCV_CONDSCHEMED>-STUNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRCV_CONDSCHEMED-ZAEHK, sy-vline,
  WA_PRCV_CONDSCHEMED-KVEWE, sy-vline,
  WA_PRCV_CONDSCHEMED-KSCHL, sy-vline,
  WA_PRCV_CONDSCHEMED-KSTAT, sy-vline,
  WA_PRCV_CONDSCHEMED-STUNB, sy-vline,
  WA_PRCV_CONDSCHEMED-STUN2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRCV_CONDSCHEMED 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_PRCV_CONDSCHEMED 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_PRCV_CONDSCHEMED INTO WA_PRCV_CONDSCHEMED.


*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_PRCV_CONDSCHEMED_STR, 
MANDT TYPE STRING,
KAPPL TYPE STRING,
KALSM TYPE STRING,
VERSI TYPE STRING,
STUNR TYPE STRING,
ZAEHK TYPE STRING,
KVEWE TYPE STRING,
KSCHL TYPE STRING,
KSTAT TYPE STRING,
STUNB TYPE STRING,
STUN2 TYPE STRING,
KZWIW TYPE STRING,
KOFRM TYPE STRING,
KOFRA TYPE STRING,
KOBED TYPE STRING,
KOBLI TYPE STRING,
KAUTO TYPE STRING,
DATA_ORIGIN TYPE STRING,
VTEXT TYPE STRING,
KOFRM_NUM TYPE STRING,
KOFRA_NUM TYPE STRING,
KOBED_NUM TYPE STRING,
DATA_ORIGIN_T TYPE STRING,
DRUKZ TYPE STRING,
AUTHORITY_LEVEL TYPE STRING,
MANDATORY_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRCV_CONDSCHEMED_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_PRCV_CONDSCHEMED_STR-MANDT sy-vline 
WA_PRCV_CONDSCHEMED_STR-KAPPL sy-vline 
WA_PRCV_CONDSCHEMED_STR-KALSM sy-vline 
WA_PRCV_CONDSCHEMED_STR-VERSI sy-vline 
WA_PRCV_CONDSCHEMED_STR-STUNR sy-vline 
WA_PRCV_CONDSCHEMED_STR-ZAEHK sy-vline 
WA_PRCV_CONDSCHEMED_STR-KVEWE sy-vline 
WA_PRCV_CONDSCHEMED_STR-KSCHL sy-vline 
WA_PRCV_CONDSCHEMED_STR-KSTAT sy-vline 
WA_PRCV_CONDSCHEMED_STR-STUNB sy-vline 
WA_PRCV_CONDSCHEMED_STR-STUN2 sy-vline 
WA_PRCV_CONDSCHEMED_STR-KZWIW sy-vline 
WA_PRCV_CONDSCHEMED_STR-KOFRM sy-vline 
WA_PRCV_CONDSCHEMED_STR-KOFRA sy-vline 
WA_PRCV_CONDSCHEMED_STR-KOBED sy-vline 
WA_PRCV_CONDSCHEMED_STR-KOBLI sy-vline 
WA_PRCV_CONDSCHEMED_STR-KAUTO sy-vline 
WA_PRCV_CONDSCHEMED_STR-DATA_ORIGIN sy-vline 
WA_PRCV_CONDSCHEMED_STR-VTEXT sy-vline 
WA_PRCV_CONDSCHEMED_STR-KOFRM_NUM sy-vline 
WA_PRCV_CONDSCHEMED_STR-KOFRA_NUM sy-vline 
WA_PRCV_CONDSCHEMED_STR-KOBED_NUM sy-vline 
WA_PRCV_CONDSCHEMED_STR-DATA_ORIGIN_T sy-vline 
WA_PRCV_CONDSCHEMED_STR-DRUKZ sy-vline 
WA_PRCV_CONDSCHEMED_STR-AUTHORITY_LEVEL sy-vline 
WA_PRCV_CONDSCHEMED_STR-MANDATORY_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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