ABAP Select data from SAP table /BEV4/PLSAUFTRAG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV4/PLSAUFTRAG 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 /BEV4/PLSAUFTRAG. 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 /BEV4/PLSAUFTRAG 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_/BEV4/PLSAUFTRAG TYPE STANDARD TABLE OF /BEV4/PLSAUFTRAG,
      WA_/BEV4/PLSAUFTRAG TYPE /BEV4/PLSAUFTRAG,
      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: </BEV4/PLSAUFTRAG> TYPE /BEV4/PLSAUFTRAG.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV4/PLSAUFTRAG.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV4/PLSAUFTRAG
  INTO TABLE IT_/BEV4/PLSAUFTRAG.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV4/PLSAUFTRAG
*  INTO TABLE @DATA(IT_/BEV4/PLSAUFTRAG2).
*--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_/BEV4/PLSAUFTRAG INDEX 1 INTO DATA(WA_/BEV4/PLSAUFTRAG2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV4/PLSAUFTRAG ASSIGNING </BEV4/PLSAUFTRAG>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV4/PLSAUFTRAG>-VKORG = 1.
</BEV4/PLSAUFTRAG>-VTWEG = 1.
</BEV4/PLSAUFTRAG>-SPART = 1.
</BEV4/PLSAUFTRAG>-PARVW_V = 1.
</BEV4/PLSAUFTRAG>-VERL = 1.

ENDLOOP.

LOOP AT IT_/BEV4/PLSAUFTRAG INTO WA_/BEV4/PLSAUFTRAG.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV4/PLSAUFTRAG-PARVW_O, sy-vline,
  WA_/BEV4/PLSAUFTRAG-OBJN, sy-vline,
  WA_/BEV4/PLSAUFTRAG-PARVW_K, sy-vline,
  WA_/BEV4/PLSAUFTRAG-INKDN, sy-vline,
  WA_/BEV4/PLSAUFTRAG-MATNR, sy-vline,
  WA_/BEV4/PLSAUFTRAG-AUART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV4/PLSAUFTRAG 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_/BEV4/PLSAUFTRAG 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_/BEV4/PLSAUFTRAG INTO WA_/BEV4/PLSAUFTRAG.


*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 PARVW, internal->external for field PARVW_V
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLSAUFTRAG-PARVW_V
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLSAUFTRAG-PARVW_V.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VERL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLSAUFTRAG-VERL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLSAUFTRAG-VERL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARVW_O
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLSAUFTRAG-PARVW_O
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLSAUFTRAG-PARVW_O.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OBJN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLSAUFTRAG-OBJN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLSAUFTRAG-OBJN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARVW_K
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLSAUFTRAG-PARVW_K
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLSAUFTRAG-PARVW_K.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INKDN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLSAUFTRAG-INKDN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLSAUFTRAG-INKDN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLSAUFTRAG-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLSAUFTRAG-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLSAUFTRAG-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLSAUFTRAG-AUART.
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_/BEV4/PLSAUFTRAG_STR, 
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
PARVW_V TYPE STRING,
VERL TYPE STRING,
PARVW_O TYPE STRING,
OBJN TYPE STRING,
PARVW_K TYPE STRING,
INKDN TYPE STRING,
MATNR TYPE STRING,
AUART TYPE STRING,
WAERS TYPE STRING,
MDATUM TYPE STRING,
MBEG TYPE STRING,
MEND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV4/PLSAUFTRAG_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_/BEV4/PLSAUFTRAG_STR-VKORG sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-VTWEG sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-SPART sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-PARVW_V sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-VERL sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-PARVW_O sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-OBJN sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-PARVW_K sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-INKDN sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-MATNR sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-AUART sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-WAERS sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-MDATUM sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-MBEG sy-vline 
WA_/BEV4/PLSAUFTRAG_STR-MEND sy-vline      INTO ld_text SEPARATED BY SPACE.

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