ABAP Select data from SAP table PS0662 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0662 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 PS0662. 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 PS0662 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_PS0662 TYPE STANDARD TABLE OF PS0662,
      WA_PS0662 TYPE PS0662,
      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: <PS0662> TYPE PS0662.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0662.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0662
  INTO TABLE IT_PS0662.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0662
*  INTO TABLE @DATA(IT_PS06622).
*--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_PS0662 INDEX 1 INTO DATA(WA_PS06622).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0662 ASSIGNING <PS0662>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0662>-MGENT = 1.
<PS0662>-MGENT_TXT = 1.
<PS0662>-MGKRA = 1.
<PS0662>-KRBEG = 1.
<PS0662>-MGSON = 1.

ENDLOOP.

LOOP AT IT_PS0662 INTO WA_PS0662.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0662-MGSON_TXT, sy-vline,
  WA_PS0662-SONST, sy-vline,
  WA_PS0662-LAUSG, sy-vline,
  WA_PS0662-DGKST, sy-vline,
  WA_PS0662-IBAN, sy-vline,
  WA_PS0662-BIC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0662 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_PS0662 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_PS0662 INTO WA_PS0662.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PS0662_STR, 
MGENT TYPE STRING,
MGENT_TXT TYPE STRING,
MGKRA TYPE STRING,
KRBEG TYPE STRING,
MGSON TYPE STRING,
MGSON_TXT TYPE STRING,
SONST TYPE STRING,
LAUSG TYPE STRING,
DGKST TYPE STRING,
IBAN TYPE STRING,
BIC TYPE STRING,
SACHB TYPE STRING,
NAZUS TYPE STRING,
TAET TYPE STRING,
BRANC TYPE STRING,
NAZUS_STD TYPE STRING,
FZP_BEGDA TYPE STRING,
FZP_ENDDA TYPE STRING,
DVGELOEST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0662_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_PS0662_STR-MGENT sy-vline 
WA_PS0662_STR-MGENT_TXT sy-vline 
WA_PS0662_STR-MGKRA sy-vline 
WA_PS0662_STR-KRBEG sy-vline 
WA_PS0662_STR-MGSON sy-vline 
WA_PS0662_STR-MGSON_TXT sy-vline 
WA_PS0662_STR-SONST sy-vline 
WA_PS0662_STR-LAUSG sy-vline 
WA_PS0662_STR-DGKST sy-vline 
WA_PS0662_STR-IBAN sy-vline 
WA_PS0662_STR-BIC sy-vline 
WA_PS0662_STR-SACHB sy-vline 
WA_PS0662_STR-NAZUS sy-vline 
WA_PS0662_STR-TAET sy-vline 
WA_PS0662_STR-BRANC sy-vline 
WA_PS0662_STR-NAZUS_STD sy-vline 
WA_PS0662_STR-FZP_BEGDA sy-vline 
WA_PS0662_STR-FZP_ENDDA sy-vline 
WA_PS0662_STR-DVGELOEST sy-vline      INTO ld_text SEPARATED BY SPACE.

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