ABAP Select data from SAP table PS0629 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0629 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 PS0629. 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 PS0629 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_PS0629 TYPE STANDARD TABLE OF PS0629,
      WA_PS0629 TYPE PS0629,
      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: <PS0629> TYPE PS0629.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0629.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0629
  INTO TABLE IT_PS0629.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0629
*  INTO TABLE @DATA(IT_PS06292).
*--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_PS0629 INDEX 1 INTO DATA(WA_PS06292).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0629 ASSIGNING <PS0629>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0629>-PP510 = 1.
<PS0629>-PP511 = 1.
<PS0629>-PP512 = 1.
<PS0629>-PP513 = 1.
<PS0629>-PP514 = 1.

ENDLOOP.

LOOP AT IT_PS0629 INTO WA_PS0629.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0629-PP515, sy-vline,
  WA_PS0629-PP516, sy-vline,
  WA_PS0629-PP517, sy-vline,
  WA_PS0629-PP518, sy-vline,
  WA_PS0629-PP519, sy-vline,
  WA_PS0629-PP520, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0629 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_PS0629 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_PS0629 INTO WA_PS0629.


*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_PS0629_STR, 
PP510 TYPE STRING,
PP511 TYPE STRING,
PP512 TYPE STRING,
PP513 TYPE STRING,
PP514 TYPE STRING,
PP515 TYPE STRING,
PP516 TYPE STRING,
PP517 TYPE STRING,
PP518 TYPE STRING,
PP519 TYPE STRING,
PP520 TYPE STRING,
PP521 TYPE STRING,
PP522 TYPE STRING,
PP523 TYPE STRING,
PP524 TYPE STRING,
PP525 TYPE STRING,
PP526 TYPE STRING,
PP527 TYPE STRING,
PP528 TYPE STRING,
PP529 TYPE STRING,
PP531 TYPE STRING,
PP535 TYPE STRING,
PP536 TYPE STRING,
PP537 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0629_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_PS0629_STR-PP510 sy-vline 
WA_PS0629_STR-PP511 sy-vline 
WA_PS0629_STR-PP512 sy-vline 
WA_PS0629_STR-PP513 sy-vline 
WA_PS0629_STR-PP514 sy-vline 
WA_PS0629_STR-PP515 sy-vline 
WA_PS0629_STR-PP516 sy-vline 
WA_PS0629_STR-PP517 sy-vline 
WA_PS0629_STR-PP518 sy-vline 
WA_PS0629_STR-PP519 sy-vline 
WA_PS0629_STR-PP520 sy-vline 
WA_PS0629_STR-PP521 sy-vline 
WA_PS0629_STR-PP522 sy-vline 
WA_PS0629_STR-PP523 sy-vline 
WA_PS0629_STR-PP524 sy-vline 
WA_PS0629_STR-PP525 sy-vline 
WA_PS0629_STR-PP526 sy-vline 
WA_PS0629_STR-PP527 sy-vline 
WA_PS0629_STR-PP528 sy-vline 
WA_PS0629_STR-PP529 sy-vline 
WA_PS0629_STR-PP531 sy-vline 
WA_PS0629_STR-PP535 sy-vline 
WA_PS0629_STR-PP536 sy-vline 
WA_PS0629_STR-PP537 sy-vline      INTO ld_text SEPARATED BY SPACE.

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