ABAP Select data from SAP table PS0145 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0145 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 PS0145. 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 PS0145 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_PS0145 TYPE STANDARD TABLE OF PS0145,
      WA_PS0145 TYPE PS0145,
      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: <PS0145> TYPE PS0145.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0145.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0145
  INTO TABLE IT_PS0145.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0145
*  INTO TABLE @DATA(IT_PS01452).
*--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_PS0145 INDEX 1 INTO DATA(WA_PS01452).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0145 ASSIGNING <PS0145>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0145>-TD1ID = 1.
<PS0145>-TD2ID = 1.
<PS0145>-TD3ID = 1.
<PS0145>-TD4ID = 1.
<PS0145>-TD5ID = 1.

ENDLOOP.

LOOP AT IT_PS0145 INTO WA_PS0145.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0145-TD6ID, sy-vline,
  WA_PS0145-TXTID, sy-vline,
  WA_PS0145-YEAID, sy-vline,
  WA_PS0145-RTXID, sy-vline,
  WA_PS0145-RTCLS, sy-vline,
  WA_PS0145-RCLID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0145 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_PS0145 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_PS0145 INTO WA_PS0145.


*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_PS0145_STR, 
TD1ID TYPE STRING,
TD2ID TYPE STRING,
TD3ID TYPE STRING,
TD4ID TYPE STRING,
TD5ID TYPE STRING,
TD6ID TYPE STRING,
TXTID TYPE STRING,
YEAID TYPE STRING,
RTXID TYPE STRING,
RTCLS TYPE STRING,
RCLID TYPE STRING,
RETTX TYPE STRING,
RETDE TYPE STRING,
TGCOD TYPE STRING,
HHDNM TYPE STRING,
RTHHD TYPE STRING,
CFDPE TYPE STRING,
RFDPE TYPE STRING,
YFFLG TYPE STRING,
EFFLG TYPE STRING,
LFFLG TYPE STRING,
REFNM TYPE STRING,
RNCID TYPE STRING,
RCODT TYPE STRING,
SPFLG TYPE STRING,
SPCTN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0145_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_PS0145_STR-TD1ID sy-vline 
WA_PS0145_STR-TD2ID sy-vline 
WA_PS0145_STR-TD3ID sy-vline 
WA_PS0145_STR-TD4ID sy-vline 
WA_PS0145_STR-TD5ID sy-vline 
WA_PS0145_STR-TD6ID sy-vline 
WA_PS0145_STR-TXTID sy-vline 
WA_PS0145_STR-YEAID sy-vline 
WA_PS0145_STR-RTXID sy-vline 
WA_PS0145_STR-RTCLS sy-vline 
WA_PS0145_STR-RCLID sy-vline 
WA_PS0145_STR-RETTX sy-vline 
WA_PS0145_STR-RETDE sy-vline 
WA_PS0145_STR-TGCOD sy-vline 
WA_PS0145_STR-HHDNM sy-vline 
WA_PS0145_STR-RTHHD sy-vline 
WA_PS0145_STR-CFDPE sy-vline 
WA_PS0145_STR-RFDPE sy-vline 
WA_PS0145_STR-YFFLG sy-vline 
WA_PS0145_STR-EFFLG sy-vline 
WA_PS0145_STR-LFFLG sy-vline 
WA_PS0145_STR-REFNM sy-vline 
WA_PS0145_STR-RNCID sy-vline 
WA_PS0145_STR-RCODT sy-vline 
WA_PS0145_STR-SPFLG sy-vline 
WA_PS0145_STR-SPCTN sy-vline      INTO ld_text SEPARATED BY SPACE.

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