ABAP Select data from SAP table /BEV3/CH101050 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV3/CH101050 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 /BEV3/CH101050. 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 /BEV3/CH101050 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_/BEV3/CH101050 TYPE STANDARD TABLE OF /BEV3/CH101050,
      WA_/BEV3/CH101050 TYPE /BEV3/CH101050,
      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: </BEV3/CH101050> TYPE /BEV3/CH101050.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV3/CH101050.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV3/CH101050
  INTO TABLE IT_/BEV3/CH101050.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV3/CH101050
*  INTO TABLE @DATA(IT_/BEV3/CH1010502).
*--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_/BEV3/CH101050 INDEX 1 INTO DATA(WA_/BEV3/CH1010502).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV3/CH101050 ASSIGNING </BEV3/CH101050>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV3/CH101050>-MANDT = 1.
</BEV3/CH101050>-YVOBJNR = 1.
</BEV3/CH101050>-YVKORG = 1.
</BEV3/CH101050>-YVTWEG = 1.
</BEV3/CH101050>-YVSPART = 1.

ENDLOOP.

LOOP AT IT_/BEV3/CH101050 INTO WA_/BEV3/CH101050.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV3/CH101050-YVOPNR, sy-vline,
  WA_/BEV3/CH101050-YVPART, sy-vline,
  WA_/BEV3/CH101050-YVPARVW, sy-vline,
  WA_/BEV3/CH101050-YVOPAVON, sy-vline,
  WA_/BEV3/CH101050-YVOPABIS, sy-vline,
  WA_/BEV3/CH101050-YVNRART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV3/CH101050 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_/BEV3/CH101050 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_/BEV3/CH101050 INTO WA_/BEV3/CH101050.


*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 YVOPNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CH101050-YVOPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CH101050-YVOPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field YVPARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CH101050-YVPARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CH101050-YVPARVW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CH101050-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CH101050-ADRNR.
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_/BEV3/CH101050_STR, 
MANDT TYPE STRING,
YVOBJNR TYPE STRING,
YVKORG TYPE STRING,
YVTWEG TYPE STRING,
YVSPART TYPE STRING,
YVOPNR TYPE STRING,
YVPART TYPE STRING,
YVPARVW TYPE STRING,
YVOPAVON TYPE STRING,
YVOPABIS TYPE STRING,
YVNRART TYPE STRING,
YVOBJBEZ TYPE STRING,
YVOBJBZKZ TYPE STRING,
ADRNR TYPE STRING,
YVOPABEZ TYPE STRING,
YVMORICON TYPE STRING,
YVNAME1 TYPE STRING,
YVPSTLZ1 TYPE STRING,
YVORT1 TYPE STRING,
YVSTRAS1 TYPE STRING,
YVNAME2 TYPE STRING,
YVPSTLZ2 TYPE STRING,
YVORT2 TYPE STRING,
YVSTRAS2 TYPE STRING,
YVORGTXT TYPE STRING,
YVWEGTXT TYPE STRING,
YVSPTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV3/CH101050_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_/BEV3/CH101050_STR-MANDT sy-vline 
WA_/BEV3/CH101050_STR-YVOBJNR sy-vline 
WA_/BEV3/CH101050_STR-YVKORG sy-vline 
WA_/BEV3/CH101050_STR-YVTWEG sy-vline 
WA_/BEV3/CH101050_STR-YVSPART sy-vline 
WA_/BEV3/CH101050_STR-YVOPNR sy-vline 
WA_/BEV3/CH101050_STR-YVPART sy-vline 
WA_/BEV3/CH101050_STR-YVPARVW sy-vline 
WA_/BEV3/CH101050_STR-YVOPAVON sy-vline 
WA_/BEV3/CH101050_STR-YVOPABIS sy-vline 
WA_/BEV3/CH101050_STR-YVNRART sy-vline 
WA_/BEV3/CH101050_STR-YVOBJBEZ sy-vline 
WA_/BEV3/CH101050_STR-YVOBJBZKZ sy-vline 
WA_/BEV3/CH101050_STR-ADRNR sy-vline 
WA_/BEV3/CH101050_STR-YVOPABEZ sy-vline 
WA_/BEV3/CH101050_STR-YVMORICON sy-vline 
WA_/BEV3/CH101050_STR-YVNAME1 sy-vline 
WA_/BEV3/CH101050_STR-YVPSTLZ1 sy-vline 
WA_/BEV3/CH101050_STR-YVORT1 sy-vline 
WA_/BEV3/CH101050_STR-YVSTRAS1 sy-vline 
WA_/BEV3/CH101050_STR-YVNAME2 sy-vline 
WA_/BEV3/CH101050_STR-YVPSTLZ2 sy-vline 
WA_/BEV3/CH101050_STR-YVORT2 sy-vline 
WA_/BEV3/CH101050_STR-YVSTRAS2 sy-vline 
WA_/BEV3/CH101050_STR-YVORGTXT sy-vline 
WA_/BEV3/CH101050_STR-YVWEGTXT sy-vline 
WA_/BEV3/CH101050_STR-YVSPTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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