ABAP Select data from SAP table PS0154 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0154 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 PS0154. 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 PS0154 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_PS0154 TYPE STANDARD TABLE OF PS0154,
      WA_PS0154 TYPE PS0154,
      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: <PS0154> TYPE PS0154.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0154.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0154
  INTO TABLE IT_PS0154.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0154
*  INTO TABLE @DATA(IT_PS01542).
*--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_PS0154 INDEX 1 INTO DATA(WA_PS01542).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0154 ASSIGNING <PS0154>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0154>-CDINP = 1.
<PS0154>-REGIO = 1.
<PS0154>-NUDIR = 1.
<PS0154>-NUUSL = 1.
<PS0154>-CDUSL = 1.

ENDLOOP.

LOOP AT IT_PS0154 INTO WA_PS0154.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0154-TPA1, sy-vline,
  WA_PS0154-CDC1, sy-vline,
  WA_PS0154-TPA2, sy-vline,
  WA_PS0154-CDC2, sy-vline,
  WA_PS0154-TPA3, sy-vline,
  WA_PS0154-CDC3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0154 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_PS0154 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_PS0154 INTO WA_PS0154.


*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_PS0154_STR, 
CDINP TYPE STRING,
REGIO TYPE STRING,
NUDIR TYPE STRING,
NUUSL TYPE STRING,
CDUSL TYPE STRING,
TPA1 TYPE STRING,
CDC1 TYPE STRING,
TPA2 TYPE STRING,
CDC2 TYPE STRING,
TPA3 TYPE STRING,
CDC3 TYPE STRING,
TPA4 TYPE STRING,
CDC4 TYPE STRING,
TPA5 TYPE STRING,
CDC5 TYPE STRING,
TPA6 TYPE STRING,
CDC6 TYPE STRING,
TPA7 TYPE STRING,
CDC7 TYPE STRING,
TPA8 TYPE STRING,
CDC8 TYPE STRING,
TPA9 TYPE STRING,
CDC9 TYPE STRING,
TPA10 TYPE STRING,
CDC10 TYPE STRING,
TPA11 TYPE STRING,
CDC11 TYPE STRING,
TPA12 TYPE STRING,
CDC12 TYPE STRING,
TPA13 TYPE STRING,
CDC13 TYPE STRING,
TPA14 TYPE STRING,
CDC14 TYPE STRING,
TPA15 TYPE STRING,
CDC15 TYPE STRING,
TPA16 TYPE STRING,
CDC16 TYPE STRING,
TPA17 TYPE STRING,
CDC17 TYPE STRING,
TPA18 TYPE STRING,
CDC18 TYPE STRING,
TPA19 TYPE STRING,
CDC19 TYPE STRING,
TPA20 TYPE STRING,
CDC20 TYPE STRING,
TPA21 TYPE STRING,
CDC21 TYPE STRING,
TPA22 TYPE STRING,
CDC22 TYPE STRING,
TPA23 TYPE STRING,
CDC23 TYPE STRING,
TPA24 TYPE STRING,
CDC24 TYPE STRING,
TPA25 TYPE STRING,
CDC25 TYPE STRING,
TPA26 TYPE STRING,
CDC26 TYPE STRING,
TPA27 TYPE STRING,
CDC27 TYPE STRING,
TPA28 TYPE STRING,
CDC28 TYPE STRING,
TPA29 TYPE STRING,
CDC29 TYPE STRING,
TPA30 TYPE STRING,
CDC30 TYPE STRING,
SEDEL TYPE STRING,
INPSC TYPE STRING,
MODMN TYPE STRING,
CODATT TYPE STRING,
CODALTR TYPE STRING,
CODAGE TYPE STRING,
CDATTIV TYPE STRING,
MATPROV TYPE STRING,
TIPOLAV TYPE STRING,
CONTR TYPE STRING,
TIPEAPPREND TYPE STRING,
SICUT TYPE STRING,
SIBEG TYPE STRING,
SIEND TYPE STRING,
UNITA_OPERATIVA TYPE STRING,
UNITA_PRODUTTIVA TYPE STRING,
INCENTIVE_TYPE TYPE STRING,
FTCRN TYPE STRING,
EXEMPTION_TYPE TYPE STRING,
COMP_INCENTIVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0154_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_PS0154_STR-CDINP sy-vline 
WA_PS0154_STR-REGIO sy-vline 
WA_PS0154_STR-NUDIR sy-vline 
WA_PS0154_STR-NUUSL sy-vline 
WA_PS0154_STR-CDUSL sy-vline 
WA_PS0154_STR-TPA1 sy-vline 
WA_PS0154_STR-CDC1 sy-vline 
WA_PS0154_STR-TPA2 sy-vline 
WA_PS0154_STR-CDC2 sy-vline 
WA_PS0154_STR-TPA3 sy-vline 
WA_PS0154_STR-CDC3 sy-vline 
WA_PS0154_STR-TPA4 sy-vline 
WA_PS0154_STR-CDC4 sy-vline 
WA_PS0154_STR-TPA5 sy-vline 
WA_PS0154_STR-CDC5 sy-vline 
WA_PS0154_STR-TPA6 sy-vline 
WA_PS0154_STR-CDC6 sy-vline 
WA_PS0154_STR-TPA7 sy-vline 
WA_PS0154_STR-CDC7 sy-vline 
WA_PS0154_STR-TPA8 sy-vline 
WA_PS0154_STR-CDC8 sy-vline 
WA_PS0154_STR-TPA9 sy-vline 
WA_PS0154_STR-CDC9 sy-vline 
WA_PS0154_STR-TPA10 sy-vline 
WA_PS0154_STR-CDC10 sy-vline 
WA_PS0154_STR-TPA11 sy-vline 
WA_PS0154_STR-CDC11 sy-vline 
WA_PS0154_STR-TPA12 sy-vline 
WA_PS0154_STR-CDC12 sy-vline 
WA_PS0154_STR-TPA13 sy-vline 
WA_PS0154_STR-CDC13 sy-vline 
WA_PS0154_STR-TPA14 sy-vline 
WA_PS0154_STR-CDC14 sy-vline 
WA_PS0154_STR-TPA15 sy-vline 
WA_PS0154_STR-CDC15 sy-vline 
WA_PS0154_STR-TPA16 sy-vline 
WA_PS0154_STR-CDC16 sy-vline 
WA_PS0154_STR-TPA17 sy-vline 
WA_PS0154_STR-CDC17 sy-vline 
WA_PS0154_STR-TPA18 sy-vline 
WA_PS0154_STR-CDC18 sy-vline 
WA_PS0154_STR-TPA19 sy-vline 
WA_PS0154_STR-CDC19 sy-vline 
WA_PS0154_STR-TPA20 sy-vline 
WA_PS0154_STR-CDC20 sy-vline 
WA_PS0154_STR-TPA21 sy-vline 
WA_PS0154_STR-CDC21 sy-vline 
WA_PS0154_STR-TPA22 sy-vline 
WA_PS0154_STR-CDC22 sy-vline 
WA_PS0154_STR-TPA23 sy-vline 
WA_PS0154_STR-CDC23 sy-vline 
WA_PS0154_STR-TPA24 sy-vline 
WA_PS0154_STR-CDC24 sy-vline 
WA_PS0154_STR-TPA25 sy-vline 
WA_PS0154_STR-CDC25 sy-vline 
WA_PS0154_STR-TPA26 sy-vline 
WA_PS0154_STR-CDC26 sy-vline 
WA_PS0154_STR-TPA27 sy-vline 
WA_PS0154_STR-CDC27 sy-vline 
WA_PS0154_STR-TPA28 sy-vline 
WA_PS0154_STR-CDC28 sy-vline 
WA_PS0154_STR-TPA29 sy-vline 
WA_PS0154_STR-CDC29 sy-vline 
WA_PS0154_STR-TPA30 sy-vline 
WA_PS0154_STR-CDC30 sy-vline 
WA_PS0154_STR-SEDEL sy-vline 
WA_PS0154_STR-INPSC sy-vline 
WA_PS0154_STR-MODMN sy-vline 
WA_PS0154_STR-CODATT sy-vline 
WA_PS0154_STR-CODALTR sy-vline 
WA_PS0154_STR-CODAGE sy-vline 
WA_PS0154_STR-CDATTIV sy-vline 
WA_PS0154_STR-MATPROV sy-vline 
WA_PS0154_STR-TIPOLAV sy-vline 
WA_PS0154_STR-CONTR sy-vline 
WA_PS0154_STR-TIPEAPPREND sy-vline 
WA_PS0154_STR-SICUT sy-vline 
WA_PS0154_STR-SIBEG sy-vline 
WA_PS0154_STR-SIEND sy-vline 
WA_PS0154_STR-UNITA_OPERATIVA sy-vline 
WA_PS0154_STR-UNITA_PRODUTTIVA sy-vline 
WA_PS0154_STR-INCENTIVE_TYPE sy-vline 
WA_PS0154_STR-FTCRN sy-vline 
WA_PS0154_STR-EXEMPTION_TYPE sy-vline 
WA_PS0154_STR-COMP_INCENTIVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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