ABAP Select data from SAP table J_3R_OS1_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_OS1_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_OS1_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_OS1_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_OS1_S1T TYPE STANDARD TABLE OF J_3R_OS1_S1T,
      WA_J_3R_OS1_S1T TYPE J_3R_OS1_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_OS1_S1T> TYPE J_3R_OS1_S1T.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3R_OS1_S1T.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3R_OS1_S1T
  INTO TABLE IT_J_3R_OS1_S1T.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3R_OS1_S1T
*  INTO TABLE @DATA(IT_J_3R_OS1_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_OS1_S1T INDEX 1 INTO DATA(WA_J_3R_OS1_S1T2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3R_OS1_S1T ASSIGNING <J_3R_OS1_S1T>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3R_OS1_S1T>-BUKRS = 1.
<J_3R_OS1_S1T>-ANLN1 = 1.
<J_3R_OS1_S1T>-ANLN2 = 1.
<J_3R_OS1_S1T>-N50_PROD_YEAR = 1.
<J_3R_OS1_S1T>-N50_PROD_DATE = 1.

ENDLOOP.

LOOP AT IT_J_3R_OS1_S1T INTO WA_J_3R_OS1_S1T.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3R_OS1_S1T-N51_STARTUP_DATE, sy-vline,
  WA_J_3R_OS1_S1T-N52_OVERHAUL_DATE, sy-vline,
  WA_J_3R_OS1_S1T-N53_ACT_USE_LIFE_YEAR, sy-vline,
  WA_J_3R_OS1_S1T-N53_ACT_USE_LIFE_PER, sy-vline,
  WA_J_3R_OS1_S1T-N54_USE_LIFE_YEAR, sy-vline,
  WA_J_3R_OS1_S1T-N54_USE_LIFE_PER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3R_OS1_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_OS1_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_OS1_S1T INTO WA_J_3R_OS1_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 ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field N50_PROD_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-N50_PROD_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-N50_PROD_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field N55_DPR_AMNT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-N55_DPR_AMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-N55_DPR_AMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field N56_NET_VALUE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-N56_NET_VALUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-N56_NET_VALUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field N57_ACQ_VALUE
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-N57_ACQ_VALUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-N57_ACQ_VALUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field N58_ORIG_COSTS
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-N58_ORIG_COSTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-N58_ORIG_COSTS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field N57B_ACQ_VAL_PER_UNIT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-N57B_ACQ_VAL_PER_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-N57B_ACQ_VAL_PER_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field N50_4_BALANCE_VAL
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-N50_4_BALANCE_VAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-N50_4_BALANCE_VAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field N50_4A_PROD_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-N50_4A_PROD_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-N50_4A_PROD_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_OS1_S1T-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_OS1_S1T-GJAHR.
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_OS1_S1T_STR, 
BUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
N50_PROD_YEAR TYPE STRING,
N50_PROD_DATE TYPE STRING,
N51_STARTUP_DATE TYPE STRING,
N52_OVERHAUL_DATE TYPE STRING,
N53_ACT_USE_LIFE_YEAR TYPE STRING,
N53_ACT_USE_LIFE_PER TYPE STRING,
N54_USE_LIFE_YEAR TYPE STRING,
N54_USE_LIFE_PER TYPE STRING,
N55_DPR_AMNT TYPE STRING,
N56_NET_VALUE TYPE STRING,
N57_ACQ_VALUE TYPE STRING,
N58_ORIG_COSTS TYPE STRING,
N59_PER_USE_LIFE_YEAR TYPE STRING,
N59_PER_USE_LIFE_PER TYPE STRING,
N60_DPR_RULE_NAME TYPE STRING,
N61_DPR_RATE TYPE STRING,
N50A_CONSTR_START_DATE TYPE STRING,
N52A_LAST_RECONSTR_DATE TYPE STRING,
N49B_SEQ_NR TYPE STRING,
N30_ASSET_DSCR TYPE STRING,
N17_DPR_GROUP TYPE STRING,
N18_INVENTORY_NR TYPE STRING,
N19_SERIAL_NR TYPE STRING,
N57B_ACQ_VAL_PER_UNIT TYPE STRING,
N58B_COOWN_RIGHT_SHARE TYPE STRING,
N50_4_BALANCE_VAL TYPE STRING,
N50_4A_PROD_YEAR TYPE STRING,
N51_4A_START_DATE TYPE STRING,
N52_4A1_DEREG TYPE STRING,
N52_4A2_START_TRAV TYPE STRING,
N52_4A3_REP_TRAV TYPE STRING,
N14_2_INT_TRANSF_QUANT TYPE STRING,
N54_3_PASSPORT_NR TYPE STRING,
CUKY TYPE STRING,
UNIT TYPE STRING,
GJAHR TYPE STRING,
LNRAN TYPE STRING,
BUZEI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3R_OS1_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_OS1_S1T_STR-BUKRS sy-vline 
WA_J_3R_OS1_S1T_STR-ANLN1 sy-vline 
WA_J_3R_OS1_S1T_STR-ANLN2 sy-vline 
WA_J_3R_OS1_S1T_STR-N50_PROD_YEAR sy-vline 
WA_J_3R_OS1_S1T_STR-N50_PROD_DATE sy-vline 
WA_J_3R_OS1_S1T_STR-N51_STARTUP_DATE sy-vline 
WA_J_3R_OS1_S1T_STR-N52_OVERHAUL_DATE sy-vline 
WA_J_3R_OS1_S1T_STR-N53_ACT_USE_LIFE_YEAR sy-vline 
WA_J_3R_OS1_S1T_STR-N53_ACT_USE_LIFE_PER sy-vline 
WA_J_3R_OS1_S1T_STR-N54_USE_LIFE_YEAR sy-vline 
WA_J_3R_OS1_S1T_STR-N54_USE_LIFE_PER sy-vline 
WA_J_3R_OS1_S1T_STR-N55_DPR_AMNT sy-vline 
WA_J_3R_OS1_S1T_STR-N56_NET_VALUE sy-vline 
WA_J_3R_OS1_S1T_STR-N57_ACQ_VALUE sy-vline 
WA_J_3R_OS1_S1T_STR-N58_ORIG_COSTS sy-vline 
WA_J_3R_OS1_S1T_STR-N59_PER_USE_LIFE_YEAR sy-vline 
WA_J_3R_OS1_S1T_STR-N59_PER_USE_LIFE_PER sy-vline 
WA_J_3R_OS1_S1T_STR-N60_DPR_RULE_NAME sy-vline 
WA_J_3R_OS1_S1T_STR-N61_DPR_RATE sy-vline 
WA_J_3R_OS1_S1T_STR-N50A_CONSTR_START_DATE sy-vline 
WA_J_3R_OS1_S1T_STR-N52A_LAST_RECONSTR_DATE sy-vline 
WA_J_3R_OS1_S1T_STR-N49B_SEQ_NR sy-vline 
WA_J_3R_OS1_S1T_STR-N30_ASSET_DSCR sy-vline 
WA_J_3R_OS1_S1T_STR-N17_DPR_GROUP sy-vline 
WA_J_3R_OS1_S1T_STR-N18_INVENTORY_NR sy-vline 
WA_J_3R_OS1_S1T_STR-N19_SERIAL_NR sy-vline 
WA_J_3R_OS1_S1T_STR-N57B_ACQ_VAL_PER_UNIT sy-vline 
WA_J_3R_OS1_S1T_STR-N58B_COOWN_RIGHT_SHARE sy-vline 
WA_J_3R_OS1_S1T_STR-N50_4_BALANCE_VAL sy-vline 
WA_J_3R_OS1_S1T_STR-N50_4A_PROD_YEAR sy-vline 
WA_J_3R_OS1_S1T_STR-N51_4A_START_DATE sy-vline 
WA_J_3R_OS1_S1T_STR-N52_4A1_DEREG sy-vline 
WA_J_3R_OS1_S1T_STR-N52_4A2_START_TRAV sy-vline 
WA_J_3R_OS1_S1T_STR-N52_4A3_REP_TRAV sy-vline 
WA_J_3R_OS1_S1T_STR-N14_2_INT_TRANSF_QUANT sy-vline 
WA_J_3R_OS1_S1T_STR-N54_3_PASSPORT_NR sy-vline 
WA_J_3R_OS1_S1T_STR-CUKY sy-vline 
WA_J_3R_OS1_S1T_STR-UNIT sy-vline 
WA_J_3R_OS1_S1T_STR-GJAHR sy-vline 
WA_J_3R_OS1_S1T_STR-LNRAN sy-vline 
WA_J_3R_OS1_S1T_STR-BUZEI sy-vline      INTO ld_text SEPARATED BY SPACE.

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