ABAP Select data from SAP table BBP_LFA1_31_45 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BBP_LFA1_31_45 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 BBP_LFA1_31_45. 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 BBP_LFA1_31_45 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_BBP_LFA1_31_45 TYPE STANDARD TABLE OF BBP_LFA1_31_45,
      WA_BBP_LFA1_31_45 TYPE BBP_LFA1_31_45,
      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: <BBP_LFA1_31_45> TYPE BBP_LFA1_31_45.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BBP_LFA1_31_45.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BBP_LFA1_31_45
  INTO TABLE IT_BBP_LFA1_31_45.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BBP_LFA1_31_45
*  INTO TABLE @DATA(IT_BBP_LFA1_31_452).
*--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_BBP_LFA1_31_45 INDEX 1 INTO DATA(WA_BBP_LFA1_31_452).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BBP_LFA1_31_45 ASSIGNING <BBP_LFA1_31_45>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BBP_LFA1_31_45>-MANDT = 1.
<BBP_LFA1_31_45>-LIFNR = 1.
<BBP_LFA1_31_45>-ANRED = 1.
<BBP_LFA1_31_45>-BAHNS = 1.
<BBP_LFA1_31_45>-BBBNR = 1.

ENDLOOP.

LOOP AT IT_BBP_LFA1_31_45 INTO WA_BBP_LFA1_31_45.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BBP_LFA1_31_45-BBSNR, sy-vline,
  WA_BBP_LFA1_31_45-BEGRU, sy-vline,
  WA_BBP_LFA1_31_45-BRSCH, sy-vline,
  WA_BBP_LFA1_31_45-BUBKZ, sy-vline,
  WA_BBP_LFA1_31_45-DATLT, sy-vline,
  WA_BBP_LFA1_31_45-DTAMS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BBP_LFA1_31_45 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_BBP_LFA1_31_45 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_BBP_LFA1_31_45 INTO WA_BBP_LFA1_31_45.


*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 LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BBP_LFA1_31_45-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_LFA1_31_45-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BBP_LFA1_31_45-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_LFA1_31_45-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LNRZA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BBP_LFA1_31_45-LNRZA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_LFA1_31_45-LNRZA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_BBP_LFA1_31_45-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_LFA1_31_45-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BBP_LFA1_31_45-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_LFA1_31_45-VBUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FISKN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BBP_LFA1_31_45-FISKN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_LFA1_31_45-FISKN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BBP_LFA1_31_45-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_LFA1_31_45-ADRNR.
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_BBP_LFA1_31_45_STR, 
MANDT TYPE STRING,
LIFNR TYPE STRING,
ANRED TYPE STRING,
BAHNS TYPE STRING,
BBBNR TYPE STRING,
BBSNR TYPE STRING,
BEGRU TYPE STRING,
BRSCH TYPE STRING,
BUBKZ TYPE STRING,
DATLT TYPE STRING,
DTAMS TYPE STRING,
DTAWS TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
ESRNR TYPE STRING,
KONZS TYPE STRING,
KTOKK TYPE STRING,
KUNNR TYPE STRING,
LAND1 TYPE STRING,
LNRZA TYPE STRING,
LOEVM TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
PFACH TYPE STRING,
PSTL2 TYPE STRING,
PSTLZ TYPE STRING,
REGIO TYPE STRING,
SORTL TYPE STRING,
SPERR TYPE STRING,
SPERM TYPE STRING,
SPRAS TYPE STRING,
STCD1 TYPE STRING,
STCD2 TYPE STRING,
STKZA TYPE STRING,
STKZU TYPE STRING,
STRAS TYPE STRING,
TELBX TYPE STRING,
TELF1 TYPE STRING,
TELF2 TYPE STRING,
TELFX TYPE STRING,
TELTX TYPE STRING,
TELX1 TYPE STRING,
XCPDK TYPE STRING,
XZEMP TYPE STRING,
VBUND TYPE STRING,
FISKN TYPE STRING,
STCEG TYPE STRING,
STKZN TYPE STRING,
SPERQ TYPE STRING,
ADRNR TYPE STRING,
MCOD1 TYPE STRING,
MCOD2 TYPE STRING,
MCOD3 TYPE STRING,
GBORT TYPE STRING,
GBDAT TYPE STRING,
SEXKZ TYPE STRING,
KRAUS TYPE STRING,
REVDB TYPE STRING,
QSSYS TYPE STRING,
KTOCK TYPE STRING,
PFORT TYPE STRING,
WERKS TYPE STRING,
LTSNA TYPE STRING,
WERKR TYPE STRING,
PLKAL TYPE STRING,
DUEFL TYPE STRING,
TXJCD TYPE STRING,
SPERZ TYPE STRING,
SCACD TYPE STRING,
SFRGR TYPE STRING,
LZONE TYPE STRING,
XLFZA TYPE STRING,
DLGRP TYPE STRING,
FITYP TYPE STRING,
STCDT TYPE STRING,
REGSS TYPE STRING,
ACTSS TYPE STRING,
STCD3 TYPE STRING,
STCD4 TYPE STRING,
IPISP TYPE STRING,
TAXBS TYPE STRING,
PROFS TYPE STRING,
STGDL TYPE STRING,
EMNFR TYPE STRING,
LFURL TYPE STRING,
J_1KFREPRE TYPE STRING,
J_1KFTBUS TYPE STRING,
J_1KFTIND TYPE STRING,
CONFS TYPE STRING,
UPDAT TYPE STRING,
UPTIM TYPE STRING,
NODEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BBP_LFA1_31_45_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_BBP_LFA1_31_45_STR-MANDT sy-vline 
WA_BBP_LFA1_31_45_STR-LIFNR sy-vline 
WA_BBP_LFA1_31_45_STR-ANRED sy-vline 
WA_BBP_LFA1_31_45_STR-BAHNS sy-vline 
WA_BBP_LFA1_31_45_STR-BBBNR sy-vline 
WA_BBP_LFA1_31_45_STR-BBSNR sy-vline 
WA_BBP_LFA1_31_45_STR-BEGRU sy-vline 
WA_BBP_LFA1_31_45_STR-BRSCH sy-vline 
WA_BBP_LFA1_31_45_STR-BUBKZ sy-vline 
WA_BBP_LFA1_31_45_STR-DATLT sy-vline 
WA_BBP_LFA1_31_45_STR-DTAMS sy-vline 
WA_BBP_LFA1_31_45_STR-DTAWS sy-vline 
WA_BBP_LFA1_31_45_STR-ERDAT sy-vline 
WA_BBP_LFA1_31_45_STR-ERNAM sy-vline 
WA_BBP_LFA1_31_45_STR-ESRNR sy-vline 
WA_BBP_LFA1_31_45_STR-KONZS sy-vline 
WA_BBP_LFA1_31_45_STR-KTOKK sy-vline 
WA_BBP_LFA1_31_45_STR-KUNNR sy-vline 
WA_BBP_LFA1_31_45_STR-LAND1 sy-vline 
WA_BBP_LFA1_31_45_STR-LNRZA sy-vline 
WA_BBP_LFA1_31_45_STR-LOEVM sy-vline 
WA_BBP_LFA1_31_45_STR-NAME1 sy-vline 
WA_BBP_LFA1_31_45_STR-NAME2 sy-vline 
WA_BBP_LFA1_31_45_STR-NAME3 sy-vline 
WA_BBP_LFA1_31_45_STR-NAME4 sy-vline 
WA_BBP_LFA1_31_45_STR-ORT01 sy-vline 
WA_BBP_LFA1_31_45_STR-ORT02 sy-vline 
WA_BBP_LFA1_31_45_STR-PFACH sy-vline 
WA_BBP_LFA1_31_45_STR-PSTL2 sy-vline 
WA_BBP_LFA1_31_45_STR-PSTLZ sy-vline 
WA_BBP_LFA1_31_45_STR-REGIO sy-vline 
WA_BBP_LFA1_31_45_STR-SORTL sy-vline 
WA_BBP_LFA1_31_45_STR-SPERR sy-vline 
WA_BBP_LFA1_31_45_STR-SPERM sy-vline 
WA_BBP_LFA1_31_45_STR-SPRAS sy-vline 
WA_BBP_LFA1_31_45_STR-STCD1 sy-vline 
WA_BBP_LFA1_31_45_STR-STCD2 sy-vline 
WA_BBP_LFA1_31_45_STR-STKZA sy-vline 
WA_BBP_LFA1_31_45_STR-STKZU sy-vline 
WA_BBP_LFA1_31_45_STR-STRAS sy-vline 
WA_BBP_LFA1_31_45_STR-TELBX sy-vline 
WA_BBP_LFA1_31_45_STR-TELF1 sy-vline 
WA_BBP_LFA1_31_45_STR-TELF2 sy-vline 
WA_BBP_LFA1_31_45_STR-TELFX sy-vline 
WA_BBP_LFA1_31_45_STR-TELTX sy-vline 
WA_BBP_LFA1_31_45_STR-TELX1 sy-vline 
WA_BBP_LFA1_31_45_STR-XCPDK sy-vline 
WA_BBP_LFA1_31_45_STR-XZEMP sy-vline 
WA_BBP_LFA1_31_45_STR-VBUND sy-vline 
WA_BBP_LFA1_31_45_STR-FISKN sy-vline 
WA_BBP_LFA1_31_45_STR-STCEG sy-vline 
WA_BBP_LFA1_31_45_STR-STKZN sy-vline 
WA_BBP_LFA1_31_45_STR-SPERQ sy-vline 
WA_BBP_LFA1_31_45_STR-ADRNR sy-vline 
WA_BBP_LFA1_31_45_STR-MCOD1 sy-vline 
WA_BBP_LFA1_31_45_STR-MCOD2 sy-vline 
WA_BBP_LFA1_31_45_STR-MCOD3 sy-vline 
WA_BBP_LFA1_31_45_STR-GBORT sy-vline 
WA_BBP_LFA1_31_45_STR-GBDAT sy-vline 
WA_BBP_LFA1_31_45_STR-SEXKZ sy-vline 
WA_BBP_LFA1_31_45_STR-KRAUS sy-vline 
WA_BBP_LFA1_31_45_STR-REVDB sy-vline 
WA_BBP_LFA1_31_45_STR-QSSYS sy-vline 
WA_BBP_LFA1_31_45_STR-KTOCK sy-vline 
WA_BBP_LFA1_31_45_STR-PFORT sy-vline 
WA_BBP_LFA1_31_45_STR-WERKS sy-vline 
WA_BBP_LFA1_31_45_STR-LTSNA sy-vline 
WA_BBP_LFA1_31_45_STR-WERKR sy-vline 
WA_BBP_LFA1_31_45_STR-PLKAL sy-vline 
WA_BBP_LFA1_31_45_STR-DUEFL sy-vline 
WA_BBP_LFA1_31_45_STR-TXJCD sy-vline 
WA_BBP_LFA1_31_45_STR-SPERZ sy-vline 
WA_BBP_LFA1_31_45_STR-SCACD sy-vline 
WA_BBP_LFA1_31_45_STR-SFRGR sy-vline 
WA_BBP_LFA1_31_45_STR-LZONE sy-vline 
WA_BBP_LFA1_31_45_STR-XLFZA sy-vline 
WA_BBP_LFA1_31_45_STR-DLGRP sy-vline 
WA_BBP_LFA1_31_45_STR-FITYP sy-vline 
WA_BBP_LFA1_31_45_STR-STCDT sy-vline 
WA_BBP_LFA1_31_45_STR-REGSS sy-vline 
WA_BBP_LFA1_31_45_STR-ACTSS sy-vline 
WA_BBP_LFA1_31_45_STR-STCD3 sy-vline 
WA_BBP_LFA1_31_45_STR-STCD4 sy-vline 
WA_BBP_LFA1_31_45_STR-IPISP sy-vline 
WA_BBP_LFA1_31_45_STR-TAXBS sy-vline 
WA_BBP_LFA1_31_45_STR-PROFS sy-vline 
WA_BBP_LFA1_31_45_STR-STGDL sy-vline 
WA_BBP_LFA1_31_45_STR-EMNFR sy-vline 
WA_BBP_LFA1_31_45_STR-LFURL sy-vline 
WA_BBP_LFA1_31_45_STR-J_1KFREPRE sy-vline 
WA_BBP_LFA1_31_45_STR-J_1KFTBUS sy-vline 
WA_BBP_LFA1_31_45_STR-J_1KFTIND sy-vline 
WA_BBP_LFA1_31_45_STR-CONFS sy-vline 
WA_BBP_LFA1_31_45_STR-UPDAT sy-vline 
WA_BBP_LFA1_31_45_STR-UPTIM sy-vline 
WA_BBP_LFA1_31_45_STR-NODEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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