ABAP Select data from SAP table LBBIL_PRINT_DATA_TO_READ into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP LBBIL_PRINT_DATA_TO_READ 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_PRINT_DATA_TO_READ. 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_PRINT_DATA_TO_READ 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_PRINT_DATA_TO_READ TYPE STANDARD TABLE OF LBBIL_PRINT_DATA_TO_READ,
      WA_LBBIL_PRINT_DATA_TO_READ TYPE LBBIL_PRINT_DATA_TO_READ,
      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_PRINT_DATA_TO_READ> TYPE LBBIL_PRINT_DATA_TO_READ.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LBBIL_PRINT_DATA_TO_READ
*  INTO TABLE @DATA(IT_LBBIL_PRINT_DATA_TO_READ2).
*--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_PRINT_DATA_TO_READ INDEX 1 INTO DATA(WA_LBBIL_PRINT_DATA_TO_READ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LBBIL_PRINT_DATA_TO_READ>-HD_GEN = 1.
<LBBIL_PRINT_DATA_TO_READ>-HD_ADR = 1.
<LBBIL_PRINT_DATA_TO_READ>-HD_GEN_DESCRIPT = 1.
<LBBIL_PRINT_DATA_TO_READ>-HD_ORG = 1.
<LBBIL_PRINT_DATA_TO_READ>-HD_PART_ADD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LBBIL_PRINT_DATA_TO_READ-HD_KOND, sy-vline,
  WA_LBBIL_PRINT_DATA_TO_READ-HD_FIN, sy-vline,
  WA_LBBIL_PRINT_DATA_TO_READ-HD_REF, sy-vline,
  WA_LBBIL_PRINT_DATA_TO_READ-HD_TECH, sy-vline,
  WA_LBBIL_PRINT_DATA_TO_READ-IT_GEN, sy-vline,
  WA_LBBIL_PRINT_DATA_TO_READ-IT_ADR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LBBIL_PRINT_DATA_TO_READ 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_PRINT_DATA_TO_READ 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_PRINT_DATA_TO_READ INTO WA_LBBIL_PRINT_DATA_TO_READ.


*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_LBBIL_PRINT_DATA_TO_READ_STR, 
HD_GEN TYPE STRING,
HD_ADR TYPE STRING,
HD_GEN_DESCRIPT TYPE STRING,
HD_ORG TYPE STRING,
HD_PART_ADD TYPE STRING,
HD_KOND TYPE STRING,
HD_FIN TYPE STRING,
HD_REF TYPE STRING,
HD_TECH TYPE STRING,
IT_GEN TYPE STRING,
IT_ADR TYPE STRING,
IT_PRICE TYPE STRING,
IT_KOND TYPE STRING,
IT_REF TYPE STRING,
IT_REFDLV TYPE STRING,
IT_REFORD TYPE STRING,
IT_REFPURORD TYPE STRING,
IT_REFVAG TYPE STRING,
IT_REFVG2 TYPE STRING,
IT_REFVKT TYPE STRING,
IT_TECH TYPE STRING,
IT_FIN TYPE STRING,
IT_CONFITM TYPE STRING,
IT_CONFBATCH TYPE STRING,
MSR_HD TYPE STRING,
MSR_IT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LBBIL_PRINT_DATA_TO_READ_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_PRINT_DATA_TO_READ_STR-HD_GEN sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-HD_ADR sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-HD_GEN_DESCRIPT sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-HD_ORG sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-HD_PART_ADD sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-HD_KOND sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-HD_FIN sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-HD_REF sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-HD_TECH sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_GEN sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_ADR sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_PRICE sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_KOND sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_REF sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_REFDLV sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_REFORD sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_REFPURORD sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_REFVAG sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_REFVG2 sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_REFVKT sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_TECH sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_FIN sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_CONFITM sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-IT_CONFBATCH sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-MSR_HD sy-vline 
WA_LBBIL_PRINT_DATA_TO_READ_STR-MSR_IT sy-vline      INTO ld_text SEPARATED BY SPACE.

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