ABAP Select data from SAP table J_5KFH_INV12 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_5KFH_INV12 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_5KFH_INV12. 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_5KFH_INV12 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_5KFH_INV12 TYPE STANDARD TABLE OF J_5KFH_INV12,
      WA_J_5KFH_INV12 TYPE J_5KFH_INV12,
      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_5KFH_INV12> TYPE J_5KFH_INV12.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_5KFH_INV12.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_5KFH_INV12
  INTO TABLE IT_J_5KFH_INV12.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_5KFH_INV12
*  INTO TABLE @DATA(IT_J_5KFH_INV122).
*--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_5KFH_INV12 INDEX 1 INTO DATA(WA_J_5KFH_INV122).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_5KFH_INV12 ASSIGNING <J_5KFH_INV12>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_5KFH_INV12>-FSD = 1.
<J_5KFH_INV12>-ORG_NAME = 1.
<J_5KFH_INV12>-OKUD = 1.
<J_5KFH_INV12>-OKPO = 1.
<J_5KFH_INV12>-RNN = 1.

ENDLOOP.

LOOP AT IT_J_5KFH_INV12 INTO WA_J_5KFH_INV12.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_5KFH_INV12-DOC_NO, sy-vline,
  WA_J_5KFH_INV12-COMPIL_DATE, sy-vline,
  WA_J_5KFH_INV12-BALANCE_SH_DATE, sy-vline,
  WA_J_5KFH_INV12-ACT_BALANCE, sy-vline,
  WA_J_5KFH_INV12-SERIAL_NUM, sy-vline,
  WA_J_5KFH_INV12-T_QUANT_FORM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_5KFH_INV12 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_5KFH_INV12 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_5KFH_INV12 INTO WA_J_5KFH_INV12.


*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
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_5KFH_INV12-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_5KFH_INV12-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ASSET_GROUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_5KFH_INV12-ASSET_GROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_5KFH_INV12-ASSET_GROUP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BL_SHEET_ACC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_5KFH_INV12-BL_SHEET_ACC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_5KFH_INV12-BL_SHEET_ACC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_5KFH_INV12-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_5KFH_INV12-UNIT.
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_5KFH_INV12_STR, 
FSD TYPE STRING,
ORG_NAME TYPE STRING,
OKUD TYPE STRING,
OKPO TYPE STRING,
RNN TYPE STRING,
DOC_NO TYPE STRING,
COMPIL_DATE TYPE STRING,
BALANCE_SH_DATE TYPE STRING,
ACT_BALANCE TYPE STRING,
SERIAL_NUM TYPE STRING,
T_QUANT_FORM TYPE STRING,
AMOUNT TYPE STRING,
INV_NUM_FROM TYPE STRING,
INV_NUM_TO TYPE STRING,
FORM_DATE TYPE STRING,
T_ACT_QUANTITY TYPE STRING,
T_ACT_VALUE TYPE STRING,
T_QUANTITY TYPE STRING,
T_VALUE_FORM TYPE STRING,
CUKY TYPE STRING,
UNIT TYPE STRING,
BUKRS TYPE STRING,
ASSET_GROUP TYPE STRING,
LOCATION TYPE STRING,
DT_INV_BEGIN TYPE STRING,
DT_INV_FINISH TYPE STRING,
ORDER_DATE TYPE STRING,
ORDER_NUM TYPE STRING,
BL_SHEET_ACC TYPE STRING,
POS_SIGN1 TYPE STRING,
NAME_SIGN1 TYPE STRING,
POS_SIGN2 TYPE STRING,
NAME_SIGN2 TYPE STRING,
POS_SIGN3 TYPE STRING,
NAME_SIGN3 TYPE STRING,
NAME_CHRMAN TYPE STRING,
POS_CHRMAN TYPE STRING,
POS_MMBR1 TYPE STRING,
NAME_MMBR1 TYPE STRING,
POS_MMBR2 TYPE STRING,
NAME_MMBR2 TYPE STRING,
FSS0 TYPE STRING,
T_ACT_QUANTITY TYPE STRING,
T_ACT_VALUE TYPE STRING,
T_QUANTITY TYPE STRING,
T_VALUE_FORM TYPE STRING,
CUKY TYPE STRING,
UNIT TYPE STRING,
FST0 TYPE STRING,
FP TYPE STRING,
DISPLAY_MODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_5KFH_INV12_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_5KFH_INV12_STR-FSD sy-vline 
WA_J_5KFH_INV12_STR-ORG_NAME sy-vline 
WA_J_5KFH_INV12_STR-OKUD sy-vline 
WA_J_5KFH_INV12_STR-OKPO sy-vline 
WA_J_5KFH_INV12_STR-RNN sy-vline 
WA_J_5KFH_INV12_STR-DOC_NO sy-vline 
WA_J_5KFH_INV12_STR-COMPIL_DATE sy-vline 
WA_J_5KFH_INV12_STR-BALANCE_SH_DATE sy-vline 
WA_J_5KFH_INV12_STR-ACT_BALANCE sy-vline 
WA_J_5KFH_INV12_STR-SERIAL_NUM sy-vline 
WA_J_5KFH_INV12_STR-T_QUANT_FORM sy-vline 
WA_J_5KFH_INV12_STR-AMOUNT sy-vline 
WA_J_5KFH_INV12_STR-INV_NUM_FROM sy-vline 
WA_J_5KFH_INV12_STR-INV_NUM_TO sy-vline 
WA_J_5KFH_INV12_STR-FORM_DATE sy-vline 
WA_J_5KFH_INV12_STR-T_ACT_QUANTITY sy-vline 
WA_J_5KFH_INV12_STR-T_ACT_VALUE sy-vline 
WA_J_5KFH_INV12_STR-T_QUANTITY sy-vline 
WA_J_5KFH_INV12_STR-T_VALUE_FORM sy-vline 
WA_J_5KFH_INV12_STR-CUKY sy-vline 
WA_J_5KFH_INV12_STR-UNIT sy-vline 
WA_J_5KFH_INV12_STR-BUKRS sy-vline 
WA_J_5KFH_INV12_STR-ASSET_GROUP sy-vline 
WA_J_5KFH_INV12_STR-LOCATION sy-vline 
WA_J_5KFH_INV12_STR-DT_INV_BEGIN sy-vline 
WA_J_5KFH_INV12_STR-DT_INV_FINISH sy-vline 
WA_J_5KFH_INV12_STR-ORDER_DATE sy-vline 
WA_J_5KFH_INV12_STR-ORDER_NUM sy-vline 
WA_J_5KFH_INV12_STR-BL_SHEET_ACC sy-vline 
WA_J_5KFH_INV12_STR-POS_SIGN1 sy-vline 
WA_J_5KFH_INV12_STR-NAME_SIGN1 sy-vline 
WA_J_5KFH_INV12_STR-POS_SIGN2 sy-vline 
WA_J_5KFH_INV12_STR-NAME_SIGN2 sy-vline 
WA_J_5KFH_INV12_STR-POS_SIGN3 sy-vline 
WA_J_5KFH_INV12_STR-NAME_SIGN3 sy-vline 
WA_J_5KFH_INV12_STR-NAME_CHRMAN sy-vline 
WA_J_5KFH_INV12_STR-POS_CHRMAN sy-vline 
WA_J_5KFH_INV12_STR-POS_MMBR1 sy-vline 
WA_J_5KFH_INV12_STR-NAME_MMBR1 sy-vline 
WA_J_5KFH_INV12_STR-POS_MMBR2 sy-vline 
WA_J_5KFH_INV12_STR-NAME_MMBR2 sy-vline 
WA_J_5KFH_INV12_STR-FSS0 sy-vline 
WA_J_5KFH_INV12_STR-T_ACT_QUANTITY sy-vline 
WA_J_5KFH_INV12_STR-T_ACT_VALUE sy-vline 
WA_J_5KFH_INV12_STR-T_QUANTITY sy-vline 
WA_J_5KFH_INV12_STR-T_VALUE_FORM sy-vline 
WA_J_5KFH_INV12_STR-CUKY sy-vline 
WA_J_5KFH_INV12_STR-UNIT sy-vline 
WA_J_5KFH_INV12_STR-FST0 sy-vline 
WA_J_5KFH_INV12_STR-FP sy-vline 
WA_J_5KFH_INV12_STR-DISPLAY_MODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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