ABAP Select data from SAP table PKRBUPLA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PKRBUPLA
*  INTO TABLE @DATA(IT_PKRBUPLA2).
*--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_PKRBUPLA INDEX 1 INTO DATA(WA_PKRBUPLA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PKRBUPLA>-MANDT = 1.
<PKRBUPLA>-BRANCH = 1.
<PKRBUPLA>-COMPANYCODE = 1.
<PKRBUPLA>-TAXNUMBER1 = 1.
<PKRBUPLA>-TAXNUMBER2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PKRBUPLA-ADDRESSNUMBER, sy-vline,
  WA_PKRBUPLA-COMPANYNAME, sy-vline,
  WA_PKRBUPLA-CORPORATIONNUMBER, sy-vline,
  WA_PKRBUPLA-COMPANYNAME_T, sy-vline,
  WA_PKRBUPLA-TAXINVOICEREPRESENTATIVENAME, sy-vline,
  WA_PKRBUPLA-INDUSTRYTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PKRBUPLA 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_PKRBUPLA 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_PKRBUPLA INTO WA_PKRBUPLA.


*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 ADDRESSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PKRBUPLA-ADDRESSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PKRBUPLA-ADDRESSNUMBER.
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_PKRBUPLA_STR, 
MANDT TYPE STRING,
BRANCH TYPE STRING,
COMPANYCODE TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBER2 TYPE STRING,
ADDRESSNUMBER TYPE STRING,
COMPANYNAME TYPE STRING,
CORPORATIONNUMBER TYPE STRING,
COMPANYNAME_T TYPE STRING,
TAXINVOICEREPRESENTATIVENAME TYPE STRING,
INDUSTRYTYPE TYPE STRING,
BUSINESSTYPE TYPE STRING,
DISTRICTTAXOFFICE TYPE STRING,
BUSINESSPLACENAME TYPE STRING,
POSTALCODE TYPE STRING,
ADDRESSNAME TYPE STRING,
PHONENUMBER TYPE STRING,
CITYNAME TYPE STRING,
STREETNAME TYPE STRING,
HOUSENUMBER TYPE STRING,
HOUSENUMBERSUPPLEMENTTEXT TYPE STRING,
RESPONSIBLEDEPARTMENTNAME TYPE STRING,
RESPONSIBLEPERSONNAME TYPE STRING,
RESPONSIBLEPERSONEMAILADDRESS TYPE STRING,
NATLTAXSERVICEREGNNUMBER TYPE STRING,
TAXINVOICEREPRESENTATIVENAME1 TYPE STRING,
INDUSTRYTYPELIST TYPE STRING,
BUSINESSTYPELIST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PKRBUPLA_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_PKRBUPLA_STR-MANDT sy-vline 
WA_PKRBUPLA_STR-BRANCH sy-vline 
WA_PKRBUPLA_STR-COMPANYCODE sy-vline 
WA_PKRBUPLA_STR-TAXNUMBER1 sy-vline 
WA_PKRBUPLA_STR-TAXNUMBER2 sy-vline 
WA_PKRBUPLA_STR-ADDRESSNUMBER sy-vline 
WA_PKRBUPLA_STR-COMPANYNAME sy-vline 
WA_PKRBUPLA_STR-CORPORATIONNUMBER sy-vline 
WA_PKRBUPLA_STR-COMPANYNAME_T sy-vline 
WA_PKRBUPLA_STR-TAXINVOICEREPRESENTATIVENAME sy-vline 
WA_PKRBUPLA_STR-INDUSTRYTYPE sy-vline 
WA_PKRBUPLA_STR-BUSINESSTYPE sy-vline 
WA_PKRBUPLA_STR-DISTRICTTAXOFFICE sy-vline 
WA_PKRBUPLA_STR-BUSINESSPLACENAME sy-vline 
WA_PKRBUPLA_STR-POSTALCODE sy-vline 
WA_PKRBUPLA_STR-ADDRESSNAME sy-vline 
WA_PKRBUPLA_STR-PHONENUMBER sy-vline 
WA_PKRBUPLA_STR-CITYNAME sy-vline 
WA_PKRBUPLA_STR-STREETNAME sy-vline 
WA_PKRBUPLA_STR-HOUSENUMBER sy-vline 
WA_PKRBUPLA_STR-HOUSENUMBERSUPPLEMENTTEXT sy-vline 
WA_PKRBUPLA_STR-RESPONSIBLEDEPARTMENTNAME sy-vline 
WA_PKRBUPLA_STR-RESPONSIBLEPERSONNAME sy-vline 
WA_PKRBUPLA_STR-RESPONSIBLEPERSONEMAILADDRESS sy-vline 
WA_PKRBUPLA_STR-NATLTAXSERVICEREGNNUMBER sy-vline 
WA_PKRBUPLA_STR-TAXINVOICEREPRESENTATIVENAME1 sy-vline 
WA_PKRBUPLA_STR-INDUSTRYTYPELIST sy-vline 
WA_PKRBUPLA_STR-BUSINESSTYPELIST sy-vline      INTO ld_text SEPARATED BY SPACE.

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