ABAP Select data from SAP table RJHAVT_SI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJHAVT_SI
*  INTO TABLE @DATA(IT_RJHAVT_SI2).
*--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_RJHAVT_SI INDEX 1 INTO DATA(WA_RJHAVT_SI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJHAVT_SI>-DRERZ_PRO = 1.
<RJHAVT_SI>-ERSCHDAT_P = 1.
<RJHAVT_SI>-SI_TYP = 1.
<RJHAVT_SI>-BEZEI10 = 1.
<RJHAVT_SI>-BEZEI40 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJHAVT_SI-KZPOSTFORM, sy-vline,
  WA_RJHAVT_SI-SPART, sy-vline,
  WA_RJHAVT_SI-SI_KENNZIF, sy-vline,
  WA_RJHAVT_SI-KOSTL, sy-vline,
  WA_RJHAVT_SI-KOSTL_R2, sy-vline,
  WA_RJHAVT_SI-XINDIVANG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJHAVT_SI 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_RJHAVT_SI 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_RJHAVT_SI INTO WA_RJHAVT_SI.


*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 ALPHA, internal->external for field DRERZ_PRO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-DRERZ_PRO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-DRERZ_PRO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SI_KENNZIF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-SI_KENNZIF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-SI_KENNZIF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL_R2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-KOSTL_R2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-KOSTL_R2.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field MEINLIEF_01
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-MEINLIEF_01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-MEINLIEF_01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ABWBEZR_RH_01
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-ABWBEZR_RH_01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-ABWBEZR_RH_01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ABWBEZR_VT_01
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-ABWBEZR_VT_01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-ABWBEZR_VT_01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINLIEF_02
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-MEINLIEF_02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-MEINLIEF_02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ABWBEZR_RH_02
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-ABWBEZR_RH_02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-ABWBEZR_RH_02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ABWBEZR_VT_02
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-ABWBEZR_VT_02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-ABWBEZR_VT_02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINLIEF_03
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-MEINLIEF_03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-MEINLIEF_03.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ABWBEZR_RH_03
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-ABWBEZR_RH_03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-ABWBEZR_RH_03.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ABWBEZR_VT_03
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAVT_SI-ABWBEZR_VT_03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAVT_SI-ABWBEZR_VT_03.
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_RJHAVT_SI_STR, 
DRERZ_PRO TYPE STRING,
ERSCHDAT_P TYPE STRING,
SI_TYP TYPE STRING,
BEZEI10 TYPE STRING,
BEZEI40 TYPE STRING,
KZPOSTFORM TYPE STRING,
SPART TYPE STRING,
SI_KENNZIF TYPE STRING,
KOSTL TYPE STRING,
KOSTL_R2 TYPE STRING,
XINDIVANG TYPE STRING,
SI_ENTSPFL TYPE STRING,
SI_VERBWER TYPE STRING,
ANZSEITEN TYPE STRING,
FORMATBR TYPE STRING,
MEINHBREIT TYPE STRING,
FORMATHOE TYPE STRING,
MEINHHOE TYPE STRING,
STAERKE TYPE STRING,
MEINHSTRK TYPE STRING,
PAPIERGEW TYPE STRING,
MEINHPAGEW TYPE STRING,
PAGEWMANTL TYPE STRING,
MEINHPAGMT TYPE STRING,
VAGEWPLAN TYPE STRING,
MEINHGEWP TYPE STRING,
VAGEWIST TYPE STRING,
MEINHGEWI TYPE STRING,
DRKEI_01 TYPE STRING,
LAGERORT_01 TYPE STRING,
LIEFMENGE_01 TYPE STRING,
MEINLIEF_01 TYPE STRING,
VERFBKTAG_01 TYPE STRING,
VERFBKZEIT_01 TYPE STRING,
ANLIEFTAGS_01 TYPE STRING,
ANLIEFERZS_01 TYPE STRING,
ANLIEFTAGI_01 TYPE STRING,
ANLIEFERZI_01 TYPE STRING,
ABWBEZR_RH_01 TYPE STRING,
ABWBEZR_VT_01 TYPE STRING,
DRKEI_02 TYPE STRING,
LAGERORT_02 TYPE STRING,
LIEFMENGE_02 TYPE STRING,
MEINLIEF_02 TYPE STRING,
VERFBKTAG_02 TYPE STRING,
VERFBKZEIT_02 TYPE STRING,
ANLIEFTAGS_02 TYPE STRING,
ANLIEFERZS_02 TYPE STRING,
ANLIEFTAGI_02 TYPE STRING,
ANLIEFERZI_02 TYPE STRING,
ABWBEZR_RH_02 TYPE STRING,
ABWBEZR_VT_02 TYPE STRING,
DRKEI_03 TYPE STRING,
LAGERORT_03 TYPE STRING,
LIEFMENGE_03 TYPE STRING,
MEINLIEF_03 TYPE STRING,
VERFBKTAG_03 TYPE STRING,
VERFBKZEIT_03 TYPE STRING,
ANLIEFTAGS_03 TYPE STRING,
ANLIEFERZS_03 TYPE STRING,
ANLIEFTAGI_03 TYPE STRING,
ANLIEFERZI_03 TYPE STRING,
ABWBEZR_RH_03 TYPE STRING,
ABWBEZR_VT_03 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJHAVT_SI_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_RJHAVT_SI_STR-DRERZ_PRO sy-vline 
WA_RJHAVT_SI_STR-ERSCHDAT_P sy-vline 
WA_RJHAVT_SI_STR-SI_TYP sy-vline 
WA_RJHAVT_SI_STR-BEZEI10 sy-vline 
WA_RJHAVT_SI_STR-BEZEI40 sy-vline 
WA_RJHAVT_SI_STR-KZPOSTFORM sy-vline 
WA_RJHAVT_SI_STR-SPART sy-vline 
WA_RJHAVT_SI_STR-SI_KENNZIF sy-vline 
WA_RJHAVT_SI_STR-KOSTL sy-vline 
WA_RJHAVT_SI_STR-KOSTL_R2 sy-vline 
WA_RJHAVT_SI_STR-XINDIVANG sy-vline 
WA_RJHAVT_SI_STR-SI_ENTSPFL sy-vline 
WA_RJHAVT_SI_STR-SI_VERBWER sy-vline 
WA_RJHAVT_SI_STR-ANZSEITEN sy-vline 
WA_RJHAVT_SI_STR-FORMATBR sy-vline 
WA_RJHAVT_SI_STR-MEINHBREIT sy-vline 
WA_RJHAVT_SI_STR-FORMATHOE sy-vline 
WA_RJHAVT_SI_STR-MEINHHOE sy-vline 
WA_RJHAVT_SI_STR-STAERKE sy-vline 
WA_RJHAVT_SI_STR-MEINHSTRK sy-vline 
WA_RJHAVT_SI_STR-PAPIERGEW sy-vline 
WA_RJHAVT_SI_STR-MEINHPAGEW sy-vline 
WA_RJHAVT_SI_STR-PAGEWMANTL sy-vline 
WA_RJHAVT_SI_STR-MEINHPAGMT sy-vline 
WA_RJHAVT_SI_STR-VAGEWPLAN sy-vline 
WA_RJHAVT_SI_STR-MEINHGEWP sy-vline 
WA_RJHAVT_SI_STR-VAGEWIST sy-vline 
WA_RJHAVT_SI_STR-MEINHGEWI sy-vline 
WA_RJHAVT_SI_STR-DRKEI_01 sy-vline 
WA_RJHAVT_SI_STR-LAGERORT_01 sy-vline 
WA_RJHAVT_SI_STR-LIEFMENGE_01 sy-vline 
WA_RJHAVT_SI_STR-MEINLIEF_01 sy-vline 
WA_RJHAVT_SI_STR-VERFBKTAG_01 sy-vline 
WA_RJHAVT_SI_STR-VERFBKZEIT_01 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFTAGS_01 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFERZS_01 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFTAGI_01 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFERZI_01 sy-vline 
WA_RJHAVT_SI_STR-ABWBEZR_RH_01 sy-vline 
WA_RJHAVT_SI_STR-ABWBEZR_VT_01 sy-vline 
WA_RJHAVT_SI_STR-DRKEI_02 sy-vline 
WA_RJHAVT_SI_STR-LAGERORT_02 sy-vline 
WA_RJHAVT_SI_STR-LIEFMENGE_02 sy-vline 
WA_RJHAVT_SI_STR-MEINLIEF_02 sy-vline 
WA_RJHAVT_SI_STR-VERFBKTAG_02 sy-vline 
WA_RJHAVT_SI_STR-VERFBKZEIT_02 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFTAGS_02 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFERZS_02 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFTAGI_02 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFERZI_02 sy-vline 
WA_RJHAVT_SI_STR-ABWBEZR_RH_02 sy-vline 
WA_RJHAVT_SI_STR-ABWBEZR_VT_02 sy-vline 
WA_RJHAVT_SI_STR-DRKEI_03 sy-vline 
WA_RJHAVT_SI_STR-LAGERORT_03 sy-vline 
WA_RJHAVT_SI_STR-LIEFMENGE_03 sy-vline 
WA_RJHAVT_SI_STR-MEINLIEF_03 sy-vline 
WA_RJHAVT_SI_STR-VERFBKTAG_03 sy-vline 
WA_RJHAVT_SI_STR-VERFBKZEIT_03 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFTAGS_03 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFERZS_03 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFTAGI_03 sy-vline 
WA_RJHAVT_SI_STR-ANLIEFERZI_03 sy-vline 
WA_RJHAVT_SI_STR-ABWBEZR_RH_03 sy-vline 
WA_RJHAVT_SI_STR-ABWBEZR_VT_03 sy-vline      INTO ld_text SEPARATED BY SPACE.

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