ABAP Select data from SAP table J_3R_AO1_S1T 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_AO1_S1T 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_AO1_S1T. 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_AO1_S1T 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_AO1_S1T TYPE STANDARD TABLE OF J_3R_AO1_S1T,
      WA_J_3R_AO1_S1T TYPE J_3R_AO1_S1T,
      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_AO1_S1T> TYPE J_3R_AO1_S1T.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3R_AO1_S1T.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3R_AO1_S1T
  INTO TABLE IT_J_3R_AO1_S1T.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3R_AO1_S1T
*  INTO TABLE @DATA(IT_J_3R_AO1_S1T2).
*--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_AO1_S1T INDEX 1 INTO DATA(WA_J_3R_AO1_S1T2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3R_AO1_S1T ASSIGNING <J_3R_AO1_S1T>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3R_AO1_S1T>-NUMBER = 1.
<J_3R_AO1_S1T>-DATE = 1.
<J_3R_AO1_S1T>-DOC_NUMB = 1.
<J_3R_AO1_S1T>-DOC_NAME = 1.
<J_3R_AO1_S1T>-AO_EXP_AMNT_LC = 1.

ENDLOOP.

LOOP AT IT_J_3R_AO1_S1T INTO WA_J_3R_AO1_S1T.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3R_AO1_S1T-AO_EXP_AMNT_FC, sy-vline,
  WA_J_3R_AO1_S1T-ACC_EXP_AMOUNT_LC, sy-vline,
  WA_J_3R_AO1_S1T-ACC_EXP_AMOUNT_FC, sy-vline,
  WA_J_3R_AO1_S1T-DEBACCNT, sy-vline,
  WA_J_3R_AO1_S1T-NAME1, sy-vline,
  WA_J_3R_AO1_S1T-NAME2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3R_AO1_S1T 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_AO1_S1T 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_AO1_S1T INTO WA_J_3R_AO1_S1T.


*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 AU132, internal->external for field AO_EXP_AMNT_LC
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_AO1_S1T-AO_EXP_AMNT_LC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_AO1_S1T-AO_EXP_AMNT_LC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field AO_EXP_AMNT_FC
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_AO1_S1T-AO_EXP_AMNT_FC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_AO1_S1T-AO_EXP_AMNT_FC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field ACC_EXP_AMOUNT_LC
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_AO1_S1T-ACC_EXP_AMOUNT_LC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_AO1_S1T-ACC_EXP_AMOUNT_LC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field ACC_EXP_AMOUNT_FC
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_AO1_S1T-ACC_EXP_AMOUNT_FC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_AO1_S1T-ACC_EXP_AMOUNT_FC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DEBACCNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_AO1_S1T-DEBACCNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_AO1_S1T-DEBACCNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_AO1_S1T-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_AO1_S1T-LIFNR.
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_AO1_S1T_STR, 
NUMBER TYPE STRING,
DATE TYPE STRING,
DOC_NUMB TYPE STRING,
DOC_NAME TYPE STRING,
AO_EXP_AMNT_LC TYPE STRING,
AO_EXP_AMNT_FC TYPE STRING,
ACC_EXP_AMOUNT_LC TYPE STRING,
ACC_EXP_AMOUNT_FC TYPE STRING,
DEBACCNT TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
XBLNR TYPE STRING,
LIFNR TYPE STRING,
WHAT TYPE STRING,
HKONT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3R_AO1_S1T_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_AO1_S1T_STR-NUMBER sy-vline 
WA_J_3R_AO1_S1T_STR-DATE sy-vline 
WA_J_3R_AO1_S1T_STR-DOC_NUMB sy-vline 
WA_J_3R_AO1_S1T_STR-DOC_NAME sy-vline 
WA_J_3R_AO1_S1T_STR-AO_EXP_AMNT_LC sy-vline 
WA_J_3R_AO1_S1T_STR-AO_EXP_AMNT_FC sy-vline 
WA_J_3R_AO1_S1T_STR-ACC_EXP_AMOUNT_LC sy-vline 
WA_J_3R_AO1_S1T_STR-ACC_EXP_AMOUNT_FC sy-vline 
WA_J_3R_AO1_S1T_STR-DEBACCNT sy-vline 
WA_J_3R_AO1_S1T_STR-NAME1 sy-vline 
WA_J_3R_AO1_S1T_STR-NAME2 sy-vline 
WA_J_3R_AO1_S1T_STR-NAME3 sy-vline 
WA_J_3R_AO1_S1T_STR-NAME4 sy-vline 
WA_J_3R_AO1_S1T_STR-XBLNR sy-vline 
WA_J_3R_AO1_S1T_STR-LIFNR sy-vline 
WA_J_3R_AO1_S1T_STR-WHAT sy-vline 
WA_J_3R_AO1_S1T_STR-HKONT sy-vline      INTO ld_text SEPARATED BY SPACE.

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