ABAP Select data from SAP table P0094 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P0094 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 P0094. 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 P0094 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_P0094 TYPE STANDARD TABLE OF P0094,
      WA_P0094 TYPE P0094,
      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: <P0094> TYPE P0094.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P0094.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P0094
  INTO TABLE IT_P0094.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P0094
*  INTO TABLE @DATA(IT_P00942).
*--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_P0094 INDEX 1 INTO DATA(WA_P00942).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P0094 ASSIGNING <P0094>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P0094>-PERNR = 1.
<P0094>-INFTY = 1.
<P0094>-SUBTY = 1.
<P0094>-OBJPS = 1.
<P0094>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_P0094 INTO WA_P0094.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P0094-ENDDA, sy-vline,
  WA_P0094-BEGDA, sy-vline,
  WA_P0094-SEQNR, sy-vline,
  WA_P0094-AEDTM, sy-vline,
  WA_P0094-UNAME, sy-vline,
  WA_P0094-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P0094 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_P0094 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_P0094 INTO WA_P0094.


*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_P0094_STR, 
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
RESIS TYPE STRING,
FPNCD TYPE STRING,
FPNID TYPE STRING,
DATE1 TYPE STRING,
DOCN1 TYPE STRING,
FWOCD TYPE STRING,
FWORK TYPE STRING,
DATE2 TYPE STRING,
DOCN2 TYPE STRING,
EXPDT TYPE STRING,
AUTH1 TYPE STRING,
AUTH2 TYPE STRING,
EXPID TYPE STRING,
CVNUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P0094_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_P0094_STR-PERNR sy-vline 
WA_P0094_STR-INFTY sy-vline 
WA_P0094_STR-SUBTY sy-vline 
WA_P0094_STR-OBJPS sy-vline 
WA_P0094_STR-SPRPS sy-vline 
WA_P0094_STR-ENDDA sy-vline 
WA_P0094_STR-BEGDA sy-vline 
WA_P0094_STR-SEQNR sy-vline 
WA_P0094_STR-AEDTM sy-vline 
WA_P0094_STR-UNAME sy-vline 
WA_P0094_STR-HISTO sy-vline 
WA_P0094_STR-ITXEX sy-vline 
WA_P0094_STR-REFEX sy-vline 
WA_P0094_STR-ORDEX sy-vline 
WA_P0094_STR-ITBLD sy-vline 
WA_P0094_STR-PREAS sy-vline 
WA_P0094_STR-FLAG1 sy-vline 
WA_P0094_STR-FLAG2 sy-vline 
WA_P0094_STR-FLAG3 sy-vline 
WA_P0094_STR-FLAG4 sy-vline 
WA_P0094_STR-RESE1 sy-vline 
WA_P0094_STR-RESE2 sy-vline 
WA_P0094_STR-GRPVL sy-vline 
WA_P0094_STR-RESIS sy-vline 
WA_P0094_STR-FPNCD sy-vline 
WA_P0094_STR-FPNID sy-vline 
WA_P0094_STR-DATE1 sy-vline 
WA_P0094_STR-DOCN1 sy-vline 
WA_P0094_STR-FWOCD sy-vline 
WA_P0094_STR-FWORK sy-vline 
WA_P0094_STR-DATE2 sy-vline 
WA_P0094_STR-DOCN2 sy-vline 
WA_P0094_STR-EXPDT sy-vline 
WA_P0094_STR-AUTH1 sy-vline 
WA_P0094_STR-AUTH2 sy-vline 
WA_P0094_STR-EXPID sy-vline 
WA_P0094_STR-CVNUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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