ABAP Select data from SAP table LBBIL_HD_GEN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LBBIL_HD_GEN
*  INTO TABLE @DATA(IT_LBBIL_HD_GEN2).
*--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_LBBIL_HD_GEN INDEX 1 INTO DATA(WA_LBBIL_HD_GEN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LBBIL_HD_GEN>-BIL_NUMBER = 1.
<LBBIL_HD_GEN>-SOLD_TO_PARTY = 1.
<LBBIL_HD_GEN>-SHIP_TO_PARTY = 1.
<LBBIL_HD_GEN>-BILL_TO_PARTY = 1.
<LBBIL_HD_GEN>-PAYER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LBBIL_HD_GEN-SP_VAT, sy-vline,
  WA_LBBIL_HD_GEN-T001_VAT, sy-vline,
  WA_LBBIL_HD_GEN-T001Z_VAT, sy-vline,
  WA_LBBIL_HD_GEN-INCOTERMS1, sy-vline,
  WA_LBBIL_HD_GEN-INCOTERMS2, sy-vline,
  WA_LBBIL_HD_GEN-SHIP_COND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LBBIL_HD_GEN 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_LBBIL_HD_GEN 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_LBBIL_HD_GEN INTO WA_LBBIL_HD_GEN.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field KNUMA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LBBIL_HD_GEN-KNUMA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LBBIL_HD_GEN-KNUMA.
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_LBBIL_HD_GEN_STR, 
BIL_NUMBER TYPE STRING,
SOLD_TO_PARTY TYPE STRING,
SHIP_TO_PARTY TYPE STRING,
BILL_TO_PARTY TYPE STRING,
PAYER TYPE STRING,
SP_VAT TYPE STRING,
T001_VAT TYPE STRING,
T001Z_VAT TYPE STRING,
INCOTERMS1 TYPE STRING,
INCOTERMS2 TYPE STRING,
SHIP_COND TYPE STRING,
TERMS_PAYM TYPE STRING,
VAL_DAY TYPE STRING,
VAL_DATE TYPE STRING,
BIL_WAERK TYPE STRING,
BIL_NETWR TYPE STRING,
BIL_DISC TYPE STRING,
BIL_TAX TYPE STRING,
BIL_VBTYPE TYPE STRING,
BIL_CAT TYPE STRING,
BIL_TYPE TYPE STRING,
BIL_DATE TYPE STRING,
BRT_WEIGHT TYPE STRING,
NET_WEIGHT TYPE STRING,
UNIT_OF_WEIGHT TYPE STRING,
VOLUME TYPE STRING,
VOLUMEUNIT TYPE STRING,
BIL_EDATE TYPE STRING,
BIL_ENAME TYPE STRING,
BIL_SCHEMA TYPE STRING,
KOND_NUMB TYPE STRING,
BIL_APPL TYPE STRING,
IL_TYPE TYPE STRING,
IL_DATE TYPE STRING,
MAT_LAND TYPE STRING,
DLV_LAND TYPE STRING,
SHP_LAND TYPE STRING,
LANDTX TYPE STRING,
SFAKN TYPE STRING,
XBLNR TYPE STRING,
EXNUM TYPE STRING,
KIDNO TYPE STRING,
BUPLA TYPE STRING,
RPLNR TYPE STRING,
DPVAL TYPE STRING,
CCVAL TYPE STRING,
XEGLD_L1 TYPE STRING,
XEGLD_CO TYPE STRING,
DPNET TYPE STRING,
DPEND TYPE STRING,
DPMWS_END TYPE STRING,
DPMWS TYPE STRING,
XFILKD TYPE STRING,
STCD1_T001N TYPE STRING,
XEGDR TYPE STRING,
KNUMA TYPE STRING,
MNDID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LBBIL_HD_GEN_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_LBBIL_HD_GEN_STR-BIL_NUMBER sy-vline 
WA_LBBIL_HD_GEN_STR-SOLD_TO_PARTY sy-vline 
WA_LBBIL_HD_GEN_STR-SHIP_TO_PARTY sy-vline 
WA_LBBIL_HD_GEN_STR-BILL_TO_PARTY sy-vline 
WA_LBBIL_HD_GEN_STR-PAYER sy-vline 
WA_LBBIL_HD_GEN_STR-SP_VAT sy-vline 
WA_LBBIL_HD_GEN_STR-T001_VAT sy-vline 
WA_LBBIL_HD_GEN_STR-T001Z_VAT sy-vline 
WA_LBBIL_HD_GEN_STR-INCOTERMS1 sy-vline 
WA_LBBIL_HD_GEN_STR-INCOTERMS2 sy-vline 
WA_LBBIL_HD_GEN_STR-SHIP_COND sy-vline 
WA_LBBIL_HD_GEN_STR-TERMS_PAYM sy-vline 
WA_LBBIL_HD_GEN_STR-VAL_DAY sy-vline 
WA_LBBIL_HD_GEN_STR-VAL_DATE sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_WAERK sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_NETWR sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_DISC sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_TAX sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_VBTYPE sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_CAT sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_TYPE sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_DATE sy-vline 
WA_LBBIL_HD_GEN_STR-BRT_WEIGHT sy-vline 
WA_LBBIL_HD_GEN_STR-NET_WEIGHT sy-vline 
WA_LBBIL_HD_GEN_STR-UNIT_OF_WEIGHT sy-vline 
WA_LBBIL_HD_GEN_STR-VOLUME sy-vline 
WA_LBBIL_HD_GEN_STR-VOLUMEUNIT sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_EDATE sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_ENAME sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_SCHEMA sy-vline 
WA_LBBIL_HD_GEN_STR-KOND_NUMB sy-vline 
WA_LBBIL_HD_GEN_STR-BIL_APPL sy-vline 
WA_LBBIL_HD_GEN_STR-IL_TYPE sy-vline 
WA_LBBIL_HD_GEN_STR-IL_DATE sy-vline 
WA_LBBIL_HD_GEN_STR-MAT_LAND sy-vline 
WA_LBBIL_HD_GEN_STR-DLV_LAND sy-vline 
WA_LBBIL_HD_GEN_STR-SHP_LAND sy-vline 
WA_LBBIL_HD_GEN_STR-LANDTX sy-vline 
WA_LBBIL_HD_GEN_STR-SFAKN sy-vline 
WA_LBBIL_HD_GEN_STR-XBLNR sy-vline 
WA_LBBIL_HD_GEN_STR-EXNUM sy-vline 
WA_LBBIL_HD_GEN_STR-KIDNO sy-vline 
WA_LBBIL_HD_GEN_STR-BUPLA sy-vline 
WA_LBBIL_HD_GEN_STR-RPLNR sy-vline 
WA_LBBIL_HD_GEN_STR-DPVAL sy-vline 
WA_LBBIL_HD_GEN_STR-CCVAL sy-vline 
WA_LBBIL_HD_GEN_STR-XEGLD_L1 sy-vline 
WA_LBBIL_HD_GEN_STR-XEGLD_CO sy-vline 
WA_LBBIL_HD_GEN_STR-DPNET sy-vline 
WA_LBBIL_HD_GEN_STR-DPEND sy-vline 
WA_LBBIL_HD_GEN_STR-DPMWS_END sy-vline 
WA_LBBIL_HD_GEN_STR-DPMWS sy-vline 
WA_LBBIL_HD_GEN_STR-XFILKD sy-vline 
WA_LBBIL_HD_GEN_STR-STCD1_T001N sy-vline 
WA_LBBIL_HD_GEN_STR-XEGDR sy-vline 
WA_LBBIL_HD_GEN_STR-KNUMA sy-vline 
WA_LBBIL_HD_GEN_STR-MNDID sy-vline      INTO ld_text SEPARATED BY SPACE.

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