ABAP Select data from SAP table PHRBT20 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PHRBT20 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 PHRBT20. 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 PHRBT20 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_PHRBT20 TYPE STANDARD TABLE OF PHRBT20,
      WA_PHRBT20 TYPE PHRBT20,
      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: <PHRBT20> TYPE PHRBT20.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PHRBT20.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PHRBT20
  INTO TABLE IT_PHRBT20.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PHRBT20
*  INTO TABLE @DATA(IT_PHRBT202).
*--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_PHRBT20 INDEX 1 INTO DATA(WA_PHRBT202).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PHRBT20 ASSIGNING <PHRBT20>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PHRBT20>-PERNR = 1.
<PHRBT20>-PERID = 1.
<PHRBT20>-ENAME = 1.
<PHRBT20>-ESRRE = 1.
<PHRBT20>-ZWECK = 1.

ENDLOOP.

LOOP AT IT_PHRBT20 INTO WA_PHRBT20.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PHRBT20-BETRG, sy-vline,
  WA_PHRBT20-WAERS, sy-vline,
  WA_PHRBT20-SIFRA, sy-vline,
  WA_PHRBT20-PYDES, sy-vline,
  WA_PHRBT20-EMFSL, sy-vline,
  WA_PHRBT20-BANKS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PHRBT20 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_PHRBT20 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_PHRBT20 INTO WA_PHRBT20.


*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 ESRRE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PHRBT20-ESRRE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PHRBT20-ESRRE.
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_PHRBT20_STR, 
PERNR TYPE STRING,
PERID TYPE STRING,
ENAME TYPE STRING,
ESRRE TYPE STRING,
ZWECK TYPE STRING,
BETRG TYPE STRING,
WAERS TYPE STRING,
SIFRA TYPE STRING,
PYDES TYPE STRING,
EMFSL TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
IBAN TYPE STRING,
EMFTX TYPE STRING,
BKORT TYPE STRING,
STRAS TYPE STRING,
BKPLZ TYPE STRING,
PARDT TYPE STRING,
PAYDT TYPE STRING,
SYDAT TYPE STRING,
BKONT TYPE STRING,
POZIV TYPE STRING,
S1 TYPE STRING,
S2 TYPE STRING,
S3 TYPE STRING,
S4 TYPE STRING,
S5 TYPE STRING,
CNTR TYPE STRING,
TELNR TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
PAVAL TYPE STRING,
UBNKL TYPE STRING,
UBKNT TYPE STRING,
LGART TYPE STRING,
FBETR TYPE STRING,
SIVOP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PHRBT20_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_PHRBT20_STR-PERNR sy-vline 
WA_PHRBT20_STR-PERID sy-vline 
WA_PHRBT20_STR-ENAME sy-vline 
WA_PHRBT20_STR-ESRRE sy-vline 
WA_PHRBT20_STR-ZWECK sy-vline 
WA_PHRBT20_STR-BETRG sy-vline 
WA_PHRBT20_STR-WAERS sy-vline 
WA_PHRBT20_STR-SIFRA sy-vline 
WA_PHRBT20_STR-PYDES sy-vline 
WA_PHRBT20_STR-EMFSL sy-vline 
WA_PHRBT20_STR-BANKS sy-vline 
WA_PHRBT20_STR-BANKL sy-vline 
WA_PHRBT20_STR-BANKN sy-vline 
WA_PHRBT20_STR-IBAN sy-vline 
WA_PHRBT20_STR-EMFTX sy-vline 
WA_PHRBT20_STR-BKORT sy-vline 
WA_PHRBT20_STR-STRAS sy-vline 
WA_PHRBT20_STR-BKPLZ sy-vline 
WA_PHRBT20_STR-PARDT sy-vline 
WA_PHRBT20_STR-PAYDT sy-vline 
WA_PHRBT20_STR-SYDAT sy-vline 
WA_PHRBT20_STR-BKONT sy-vline 
WA_PHRBT20_STR-POZIV sy-vline 
WA_PHRBT20_STR-S1 sy-vline 
WA_PHRBT20_STR-S2 sy-vline 
WA_PHRBT20_STR-S3 sy-vline 
WA_PHRBT20_STR-S4 sy-vline 
WA_PHRBT20_STR-S5 sy-vline 
WA_PHRBT20_STR-CNTR sy-vline 
WA_PHRBT20_STR-TELNR sy-vline 
WA_PHRBT20_STR-NAME1 sy-vline 
WA_PHRBT20_STR-NAME2 sy-vline 
WA_PHRBT20_STR-PAVAL sy-vline 
WA_PHRBT20_STR-UBNKL sy-vline 
WA_PHRBT20_STR-UBKNT sy-vline 
WA_PHRBT20_STR-LGART sy-vline 
WA_PHRBT20_STR-FBETR sy-vline 
WA_PHRBT20_STR-SIVOP sy-vline      INTO ld_text SEPARATED BY SPACE.

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