ABAP Select data from SAP table J_1BLFC_434 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_1BLFC_434 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 J_1BLFC_434. 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 J_1BLFC_434 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_J_1BLFC_434 TYPE STANDARD TABLE OF J_1BLFC_434,
      WA_J_1BLFC_434 TYPE J_1BLFC_434,
      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: <J_1BLFC_434> TYPE J_1BLFC_434.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1BLFC_434.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1BLFC_434
  INTO TABLE IT_J_1BLFC_434.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1BLFC_434
*  INTO TABLE @DATA(IT_J_1BLFC_4342).
*--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_J_1BLFC_434 INDEX 1 INTO DATA(WA_J_1BLFC_4342).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1BLFC_434 ASSIGNING <J_1BLFC_434>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1BLFC_434>-DOC_MODEL = 1.
<J_1BLFC_434>-DOC_SER_SUBSER = 1.
<J_1BLFC_434>-DOC_NUMBER = 1.
<J_1BLFC_434>-ISSUE_DATE = 1.
<J_1BLFC_434>-CGC_CPF_CODE = 1.

ENDLOOP.

LOOP AT IT_J_1BLFC_434 INTO WA_J_1BLFC_434.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1BLFC_434-ITEM_NUMBER, sy-vline,
  WA_J_1BLFC_434-MATERIAL_CODE, sy-vline,
  WA_J_1BLFC_434-MATERIAL_DESC, sy-vline,
  WA_J_1BLFC_434-CFOP_NOEXT, sy-vline,
  WA_J_1BLFC_434-TYPE_OPER, sy-vline,
  WA_J_1BLFC_434-NBM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1BLFC_434 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_J_1BLFC_434 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_J_1BLFC_434 INTO WA_J_1BLFC_434.


*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 CUNIT, internal->external for field UNIT_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_1BLFC_434-UNIT_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BLFC_434-UNIT_MEASURE.
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_J_1BLFC_434_STR, 
DOC_MODEL TYPE STRING,
DOC_SER_SUBSER TYPE STRING,
DOC_NUMBER TYPE STRING,
ISSUE_DATE TYPE STRING,
CGC_CPF_CODE TYPE STRING,
ITEM_NUMBER TYPE STRING,
MATERIAL_CODE TYPE STRING,
MATERIAL_DESC TYPE STRING,
CFOP_NOEXT TYPE STRING,
TYPE_OPER TYPE STRING,
NBM TYPE STRING,
QUANTITY TYPE STRING,
UNIT_MEASURE TYPE STRING,
UNIT_PRICE TYPE STRING,
ITEM_TTL_PRICE TYPE STRING,
DISCOUNT TYPE STRING,
IPI_TS_INDIC TYPE STRING,
IPI_RATE TYPE STRING,
IPI_BASE TYPE STRING,
IPI_VALUE TYPE STRING,
STATE_TS_INDIC TYPE STRING,
ICMS_TS_INDIC TYPE STRING,
ICMS_RATE TYPE STRING,
ICMS_BASE TYPE STRING,
ICMS_VALUE TYPE STRING,
ST_BASE TYPE STRING,
ST_VALUE TYPE STRING,
MOV_INDICATOR TYPE STRING,
CFOP_EXT TYPE STRING,
ICMS_OTHER TYPE STRING,
ICMS_EXCL TYPE STRING,
IPI_OTHER TYPE STRING,
IPI_EXCL TYPE STRING,
ST_OTHER TYPE STRING,
ST_EXCL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1BLFC_434_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_J_1BLFC_434_STR-DOC_MODEL sy-vline 
WA_J_1BLFC_434_STR-DOC_SER_SUBSER sy-vline 
WA_J_1BLFC_434_STR-DOC_NUMBER sy-vline 
WA_J_1BLFC_434_STR-ISSUE_DATE sy-vline 
WA_J_1BLFC_434_STR-CGC_CPF_CODE sy-vline 
WA_J_1BLFC_434_STR-ITEM_NUMBER sy-vline 
WA_J_1BLFC_434_STR-MATERIAL_CODE sy-vline 
WA_J_1BLFC_434_STR-MATERIAL_DESC sy-vline 
WA_J_1BLFC_434_STR-CFOP_NOEXT sy-vline 
WA_J_1BLFC_434_STR-TYPE_OPER sy-vline 
WA_J_1BLFC_434_STR-NBM sy-vline 
WA_J_1BLFC_434_STR-QUANTITY sy-vline 
WA_J_1BLFC_434_STR-UNIT_MEASURE sy-vline 
WA_J_1BLFC_434_STR-UNIT_PRICE sy-vline 
WA_J_1BLFC_434_STR-ITEM_TTL_PRICE sy-vline 
WA_J_1BLFC_434_STR-DISCOUNT sy-vline 
WA_J_1BLFC_434_STR-IPI_TS_INDIC sy-vline 
WA_J_1BLFC_434_STR-IPI_RATE sy-vline 
WA_J_1BLFC_434_STR-IPI_BASE sy-vline 
WA_J_1BLFC_434_STR-IPI_VALUE sy-vline 
WA_J_1BLFC_434_STR-STATE_TS_INDIC sy-vline 
WA_J_1BLFC_434_STR-ICMS_TS_INDIC sy-vline 
WA_J_1BLFC_434_STR-ICMS_RATE sy-vline 
WA_J_1BLFC_434_STR-ICMS_BASE sy-vline 
WA_J_1BLFC_434_STR-ICMS_VALUE sy-vline 
WA_J_1BLFC_434_STR-ST_BASE sy-vline 
WA_J_1BLFC_434_STR-ST_VALUE sy-vline 
WA_J_1BLFC_434_STR-MOV_INDICATOR sy-vline 
WA_J_1BLFC_434_STR-CFOP_EXT sy-vline 
WA_J_1BLFC_434_STR-ICMS_OTHER sy-vline 
WA_J_1BLFC_434_STR-ICMS_EXCL sy-vline 
WA_J_1BLFC_434_STR-IPI_OTHER sy-vline 
WA_J_1BLFC_434_STR-IPI_EXCL sy-vline 
WA_J_1BLFC_434_STR-ST_OTHER sy-vline 
WA_J_1BLFC_434_STR-ST_EXCL sy-vline      INTO ld_text SEPARATED BY SPACE.

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