ABAP Select data from SAP table PCUSTRETPROCF30 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PCUSTRETPROCF30 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 PCUSTRETPROCF30. 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 PCUSTRETPROCF30 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_PCUSTRETPROCF30 TYPE STANDARD TABLE OF PCUSTRETPROCF30,
      WA_PCUSTRETPROCF30 TYPE PCUSTRETPROCF30,
      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: <PCUSTRETPROCF30> TYPE PCUSTRETPROCF30.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PCUSTRETPROCF30.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PCUSTRETPROCF30
  INTO TABLE IT_PCUSTRETPROCF30.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCUSTRETPROCF30
*  INTO TABLE @DATA(IT_PCUSTRETPROCF302).
*--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_PCUSTRETPROCF30 INDEX 1 INTO DATA(WA_PCUSTRETPROCF302).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PCUSTRETPROCF30 ASSIGNING <PCUSTRETPROCF30>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCUSTRETPROCF30>-MANDT = 1.
<PCUSTRETPROCF30>-LEVEL3DOCUMENT = 1.
<PCUSTRETPROCF30>-LEVEL3DOCUMENTITEM = 1.
<PCUSTRETPROCF30>-LEVEL2DOCUMENT = 1.
<PCUSTRETPROCF30>-LEVEL2DOCUMENTITEM = 1.

ENDLOOP.

LOOP AT IT_PCUSTRETPROCF30 INTO WA_PCUSTRETPROCF30.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCUSTRETPROCF30-CUSTOMERRETURN, sy-vline,
  WA_PCUSTRETPROCF30-CUSTOMERRETURNTYPE, sy-vline,
  WA_PCUSTRETPROCF30-LEVEL3DOCUMENTCATEGORY, sy-vline,
  WA_PCUSTRETPROCF30-LEVEL2DOCUMENTCATEGORY, sy-vline,
  WA_PCUSTRETPROCF30-SALESORGANIZATION, sy-vline,
  WA_PCUSTRETPROCF30-DISTRIBUTIONCHANNEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCUSTRETPROCF30 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_PCUSTRETPROCF30 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_PCUSTRETPROCF30 INTO WA_PCUSTRETPROCF30.


*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 LEVEL3DOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCUSTRETPROCF30-LEVEL3DOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCUSTRETPROCF30-LEVEL3DOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LEVEL2DOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCUSTRETPROCF30-LEVEL2DOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCUSTRETPROCF30-LEVEL2DOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMERRETURN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCUSTRETPROCF30-CUSTOMERRETURN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCUSTRETPROCF30-CUSTOMERRETURN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field CUSTOMERRETURNTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_PCUSTRETPROCF30-CUSTOMERRETURNTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCUSTRETPROCF30-CUSTOMERRETURNTYPE.
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_PCUSTRETPROCF30_STR, 
MANDT TYPE STRING,
LEVEL3DOCUMENT TYPE STRING,
LEVEL3DOCUMENTITEM TYPE STRING,
LEVEL2DOCUMENT TYPE STRING,
LEVEL2DOCUMENTITEM TYPE STRING,
CUSTOMERRETURN TYPE STRING,
CUSTOMERRETURNTYPE TYPE STRING,
LEVEL3DOCUMENTCATEGORY TYPE STRING,
LEVEL2DOCUMENTCATEGORY TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCUSTRETPROCF30_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_PCUSTRETPROCF30_STR-MANDT sy-vline 
WA_PCUSTRETPROCF30_STR-LEVEL3DOCUMENT sy-vline 
WA_PCUSTRETPROCF30_STR-LEVEL3DOCUMENTITEM sy-vline 
WA_PCUSTRETPROCF30_STR-LEVEL2DOCUMENT sy-vline 
WA_PCUSTRETPROCF30_STR-LEVEL2DOCUMENTITEM sy-vline 
WA_PCUSTRETPROCF30_STR-CUSTOMERRETURN sy-vline 
WA_PCUSTRETPROCF30_STR-CUSTOMERRETURNTYPE sy-vline 
WA_PCUSTRETPROCF30_STR-LEVEL3DOCUMENTCATEGORY sy-vline 
WA_PCUSTRETPROCF30_STR-LEVEL2DOCUMENTCATEGORY sy-vline 
WA_PCUSTRETPROCF30_STR-SALESORGANIZATION sy-vline 
WA_PCUSTRETPROCF30_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PCUSTRETPROCF30_STR-ORGANIZATIONDIVISION sy-vline      INTO ld_text SEPARATED BY SPACE.

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