ABAP Select data from SAP table P0804 into internal table

Get Example source ABAP code based on a different SAP table
  

Below is a number of ABAP code snippets to demonstrate how to select data from SAP P0804 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 P0804. 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 P0804 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_P0804 TYPE STANDARD TABLE OF P0804,
      WA_P0804 TYPE P0804,
      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: <P0804> TYPE P0804.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P0804.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P0804
  INTO TABLE IT_P0804.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P0804
*  INTO TABLE @DATA(IT_P08042).
*--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_P0804 INDEX 1 INTO DATA(WA_P08042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P0804 ASSIGNING <P0804>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<P0804>-PERNR = 1.
<P0804>-INFTY = 1.
<P0804>-SUBTY = 1.
<P0804>-OBJPS = 1.
<P0804>-SPRPS = 1.
ENDLOOP.

LOOP AT IT_P0804 INTO WA_P0804.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P0804-ENDDA, sy-vline,
WA_P0804-BEGDA, sy-vline,
WA_P0804-SEQNR, sy-vline,
WA_P0804-AEDTM, sy-vline,
WA_P0804-UNAME, sy-vline,
WA_P0804-HISTO, sy-vline.
ENDLOOP. *Add any further fields from structure WA_P0804 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_P0804 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_P0804 INTO WA_P0804. *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.

*Conversion exit CUNIT, internal->external for field HUNIT CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_P0804-HUNIT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_P0804-HUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WUNIT CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_P0804-WUNIT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_P0804-WUNIT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. *&---------------------------------------------------------------------* *& Form process_as_string_field_values *&---------------------------------------------------------------------* FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO. TYPES: BEGIN OF T_P0804_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,
HEGHT TYPE STRING,
HUNIT TYPE STRING,
WEGHT TYPE STRING,
WUNIT TYPE STRING,
ECOLR TYPE STRING,
HCOLR TYPE STRING,
BGRUP TYPE STRING,
SMARK TYPE STRING,END OF T_EKKO_STR. DATA: WA_P0804_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_P0804_STR-PERNR sy-vline
WA_P0804_STR-INFTY sy-vline
WA_P0804_STR-SUBTY sy-vline
WA_P0804_STR-OBJPS sy-vline
WA_P0804_STR-SPRPS sy-vline
WA_P0804_STR-ENDDA sy-vline
WA_P0804_STR-BEGDA sy-vline
WA_P0804_STR-SEQNR sy-vline
WA_P0804_STR-AEDTM sy-vline
WA_P0804_STR-UNAME sy-vline
WA_P0804_STR-HISTO sy-vline
WA_P0804_STR-ITXEX sy-vline
WA_P0804_STR-REFEX sy-vline
WA_P0804_STR-ORDEX sy-vline
WA_P0804_STR-ITBLD sy-vline
WA_P0804_STR-PREAS sy-vline
WA_P0804_STR-FLAG1 sy-vline
WA_P0804_STR-FLAG2 sy-vline
WA_P0804_STR-FLAG3 sy-vline
WA_P0804_STR-FLAG4 sy-vline
WA_P0804_STR-RESE1 sy-vline
WA_P0804_STR-RESE2 sy-vline
WA_P0804_STR-GRPVL sy-vline
WA_P0804_STR-HEGHT sy-vline
WA_P0804_STR-HUNIT sy-vline
WA_P0804_STR-WEGHT sy-vline
WA_P0804_STR-WUNIT sy-vline
WA_P0804_STR-ECOLR sy-vline
WA_P0804_STR-HCOLR sy-vline
WA_P0804_STR-BGRUP sy-vline
WA_P0804_STR-SMARK sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.