ABAP Select data from SAP table J_3R_INV5_S1T_EXT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3R_INV5_S1T_EXT 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_3R_INV5_S1T_EXT. 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_3R_INV5_S1T_EXT 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_3R_INV5_S1T_EXT TYPE STANDARD TABLE OF J_3R_INV5_S1T_EXT,
      WA_J_3R_INV5_S1T_EXT TYPE J_3R_INV5_S1T_EXT,
      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_3R_INV5_S1T_EXT> TYPE J_3R_INV5_S1T_EXT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3R_INV5_S1T_EXT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3R_INV5_S1T_EXT
  INTO TABLE IT_J_3R_INV5_S1T_EXT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3R_INV5_S1T_EXT
*  INTO TABLE @DATA(IT_J_3R_INV5_S1T_EXT2).
*--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_3R_INV5_S1T_EXT INDEX 1 INTO DATA(WA_J_3R_INV5_S1T_EXT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3R_INV5_S1T_EXT ASSIGNING <J_3R_INV5_S1T_EXT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3R_INV5_S1T_EXT>-GR_KEY = 1.
<J_3R_INV5_S1T_EXT>-IBLNR = 1.
<J_3R_INV5_S1T_EXT>-LGORT = 1.
<J_3R_INV5_S1T_EXT>-RESPNAME1 = 1.
<J_3R_INV5_S1T_EXT>-RESPNAME2 = 1.

ENDLOOP.

LOOP AT IT_J_3R_INV5_S1T_EXT INTO WA_J_3R_INV5_S1T_EXT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3R_INV5_S1T_EXT-RESPPOS, sy-vline,
  WA_J_3R_INV5_S1T_EXT-N12_DOC_DATE, sy-vline,
  WA_J_3R_INV5_S1T_EXT-N01_SEQNUM, sy-vline,
  WA_J_3R_INV5_S1T_EXT-N02_VENDOR_NAME, sy-vline,
  WA_J_3R_INV5_S1T_EXT-N03_OKPO, sy-vline,
  WA_J_3R_INV5_S1T_EXT-N04_MAT_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3R_INV5_S1T_EXT 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_3R_INV5_S1T_EXT 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_3R_INV5_S1T_EXT INTO WA_J_3R_INV5_S1T_EXT.


*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 IBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-IBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-IBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field N05_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-N05_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-N05_MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field N09_INVOICE_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-N09_INVOICE_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-N09_INVOICE_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU172, internal->external for field N14_AA_VALUE
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-N14_AA_VALUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-N14_AA_VALUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU172, internal->external for field N16_AD_VALUE
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-N16_AD_VALUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-N16_AD_VALUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-FYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-MBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-MBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-MJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-MJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INV5_S1T_EXT-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INV5_S1T_EXT-DMBTR.
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_3R_INV5_S1T_EXT_STR, 
GR_KEY TYPE STRING,
IBLNR TYPE STRING,
LGORT TYPE STRING,
RESPNAME1 TYPE STRING,
RESPNAME2 TYPE STRING,
RESPPOS TYPE STRING,
N12_DOC_DATE TYPE STRING,
N01_SEQNUM TYPE STRING,
N02_VENDOR_NAME TYPE STRING,
N03_OKPO TYPE STRING,
N04_MAT_NAME TYPE STRING,
N05_MATNR TYPE STRING,
N06_STORAGE_LOC TYPE STRING,
N07_GOODS_RECEI_DATE TYPE STRING,
N08_DOC_TYPE TYPE STRING,
N09_INVOICE_NUMBER TYPE STRING,
N10_INVOICE_DATE TYPE STRING,
N11_UOMDESC TYPE STRING,
N12_UOMOKEI TYPE STRING,
N13_AA_QNTY TYPE STRING,
N14_AA_VALUE TYPE STRING,
N15_AD_QNTY TYPE STRING,
N16_AD_VALUE TYPE STRING,
MEINS TYPE STRING,
WAERS TYPE STRING,
MATNR TYPE STRING,
LIFNR TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
ZLDAT TYPE STRING,
FYEAR TYPE STRING,
PERIOD TYPE STRING,
COUNTEDQUAN TYPE STRING,
LGORT TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
ZEILE TYPE STRING,
ZEILI TYPE STRING,
VGART TYPE STRING,
DMBTR TYPE STRING,
MTART TYPE STRING,
WERKS TYPE STRING,
CHARG TYPE STRING,
GIDAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3R_INV5_S1T_EXT_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_3R_INV5_S1T_EXT_STR-GR_KEY sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-IBLNR sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-LGORT sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-RESPNAME1 sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-RESPNAME2 sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-RESPPOS sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N12_DOC_DATE sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N01_SEQNUM sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N02_VENDOR_NAME sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N03_OKPO sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N04_MAT_NAME sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N05_MATNR sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N06_STORAGE_LOC sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N07_GOODS_RECEI_DATE sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N08_DOC_TYPE sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N09_INVOICE_NUMBER sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N10_INVOICE_DATE sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N11_UOMDESC sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N12_UOMOKEI sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N13_AA_QNTY sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N14_AA_VALUE sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N15_AD_QNTY sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-N16_AD_VALUE sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-MEINS sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-WAERS sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-MATNR sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-LIFNR sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-BLDAT sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-BUDAT sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-ZLDAT sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-FYEAR sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-PERIOD sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-COUNTEDQUAN sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-LGORT sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-MBLNR sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-MJAHR sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-ZEILE sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-ZEILI sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-VGART sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-DMBTR sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-MTART sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-WERKS sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-CHARG sy-vline 
WA_J_3R_INV5_S1T_EXT_STR-GIDAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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