ABAP Select data from SAP table OIJNOMI_LDS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIJNOMI_LDS
*  INTO TABLE @DATA(IT_OIJNOMI_LDS2).
*--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_OIJNOMI_LDS INDEX 1 INTO DATA(WA_OIJNOMI_LDS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIJNOMI_LDS>-MANDT = 1.
<OIJNOMI_LDS>-PEGTYPE = 1.
<OIJNOMI_LDS>-PEGID = 1.
<OIJNOMI_LDS>-BRTHSEQ = 1.
<OIJNOMI_LDS>-NOMTK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIJNOMI_LDS-SHIPLDSEQ, sy-vline,
  WA_OIJNOMI_LDS-SCHEDMAT, sy-vline,
  WA_OIJNOMI_LDS-LDMAT, sy-vline,
  WA_OIJNOMI_LDS-LDQUAN, sy-vline,
  WA_OIJNOMI_LDS-LDUOM, sy-vline,
  WA_OIJNOMI_LDS-ACTUALQTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIJNOMI_LDS 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_OIJNOMI_LDS 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_OIJNOMI_LDS INTO WA_OIJNOMI_LDS.


*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 PEGID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIJNOMI_LDS-PEGID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJNOMI_LDS-PEGID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field SCHEDMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIJNOMI_LDS-SCHEDMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJNOMI_LDS-SCHEDMAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field LDMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIJNOMI_LDS-LDMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJNOMI_LDS-LDMAT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field TICKETNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIJNOMI_LDS-TICKETNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJNOMI_LDS-TICKETNO.
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_OIJNOMI_LDS_STR, 
MANDT TYPE STRING,
PEGTYPE TYPE STRING,
PEGID TYPE STRING,
BRTHSEQ TYPE STRING,
NOMTK TYPE STRING,
SHIPLDSEQ TYPE STRING,
SCHEDMAT TYPE STRING,
LDMAT TYPE STRING,
LDQUAN TYPE STRING,
LDUOM TYPE STRING,
ACTUALQTY TYPE STRING,
ACTUALUOM TYPE STRING,
BERID TYPE STRING,
TANKID TYPE STRING,
LIGHTLOC TYPE STRING,
LIGHTVESSEL TYPE STRING,
LIGHTNOM TYPE STRING,
LDFRDATE TYPE STRING,
LDFRTIME TYPE STRING,
LDTODATE TYPE STRING,
LDTOTIME TYPE STRING,
LDSYSTID TYPE STRING,
TARGETQTY TYPE STRING,
TARGETQTYUOM TYPE STRING,
METERNO TYPE STRING,
STMETER TYPE STRING,
ENDMETER TYPE STRING,
DIPDATE TYPE STRING,
DIPTIME TYPE STRING,
ENDGAUGEVAL TYPE STRING,
ENDGAUGEUOM TYPE STRING,
VSL_ARRDRAFT TYPE STRING,
VSL_DEPDRAFT TYPE STRING,
DRAFTUOM TYPE STRING,
VSL_TXDEADWGT TYPE STRING,
DEADWGTUOM TYPE STRING,
TICKETNO TYPE STRING,
FLUSHFLAG TYPE STRING,
LDIND TYPE STRING,
LIGHTNOMIT TYPE STRING,
SCHED_TST_FROM TYPE STRING,
SCHED_TST_TO TYPE STRING,
_DATAAGING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIJNOMI_LDS_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_OIJNOMI_LDS_STR-MANDT sy-vline 
WA_OIJNOMI_LDS_STR-PEGTYPE sy-vline 
WA_OIJNOMI_LDS_STR-PEGID sy-vline 
WA_OIJNOMI_LDS_STR-BRTHSEQ sy-vline 
WA_OIJNOMI_LDS_STR-NOMTK sy-vline 
WA_OIJNOMI_LDS_STR-SHIPLDSEQ sy-vline 
WA_OIJNOMI_LDS_STR-SCHEDMAT sy-vline 
WA_OIJNOMI_LDS_STR-LDMAT sy-vline 
WA_OIJNOMI_LDS_STR-LDQUAN sy-vline 
WA_OIJNOMI_LDS_STR-LDUOM sy-vline 
WA_OIJNOMI_LDS_STR-ACTUALQTY sy-vline 
WA_OIJNOMI_LDS_STR-ACTUALUOM sy-vline 
WA_OIJNOMI_LDS_STR-BERID sy-vline 
WA_OIJNOMI_LDS_STR-TANKID sy-vline 
WA_OIJNOMI_LDS_STR-LIGHTLOC sy-vline 
WA_OIJNOMI_LDS_STR-LIGHTVESSEL sy-vline 
WA_OIJNOMI_LDS_STR-LIGHTNOM sy-vline 
WA_OIJNOMI_LDS_STR-LDFRDATE sy-vline 
WA_OIJNOMI_LDS_STR-LDFRTIME sy-vline 
WA_OIJNOMI_LDS_STR-LDTODATE sy-vline 
WA_OIJNOMI_LDS_STR-LDTOTIME sy-vline 
WA_OIJNOMI_LDS_STR-LDSYSTID sy-vline 
WA_OIJNOMI_LDS_STR-TARGETQTY sy-vline 
WA_OIJNOMI_LDS_STR-TARGETQTYUOM sy-vline 
WA_OIJNOMI_LDS_STR-METERNO sy-vline 
WA_OIJNOMI_LDS_STR-STMETER sy-vline 
WA_OIJNOMI_LDS_STR-ENDMETER sy-vline 
WA_OIJNOMI_LDS_STR-DIPDATE sy-vline 
WA_OIJNOMI_LDS_STR-DIPTIME sy-vline 
WA_OIJNOMI_LDS_STR-ENDGAUGEVAL sy-vline 
WA_OIJNOMI_LDS_STR-ENDGAUGEUOM sy-vline 
WA_OIJNOMI_LDS_STR-VSL_ARRDRAFT sy-vline 
WA_OIJNOMI_LDS_STR-VSL_DEPDRAFT sy-vline 
WA_OIJNOMI_LDS_STR-DRAFTUOM sy-vline 
WA_OIJNOMI_LDS_STR-VSL_TXDEADWGT sy-vline 
WA_OIJNOMI_LDS_STR-DEADWGTUOM sy-vline 
WA_OIJNOMI_LDS_STR-TICKETNO sy-vline 
WA_OIJNOMI_LDS_STR-FLUSHFLAG sy-vline 
WA_OIJNOMI_LDS_STR-LDIND sy-vline 
WA_OIJNOMI_LDS_STR-LIGHTNOMIT sy-vline 
WA_OIJNOMI_LDS_STR-SCHED_TST_FROM sy-vline 
WA_OIJNOMI_LDS_STR-SCHED_TST_TO sy-vline 
WA_OIJNOMI_LDS_STR-_DATAAGING sy-vline      INTO ld_text SEPARATED BY SPACE.

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