ABAP Select data from SAP table NJIT_S2P_S2L_PLANNING_SEGMENT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP NJIT_S2P_S2L_PLANNING_SEGMENT 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 NJIT_S2P_S2L_PLANNING_SEGMENT. 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 NJIT_S2P_S2L_PLANNING_SEGMENT 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_NJIT_S2P_S2L_PLANNING_SEGMENT TYPE STANDARD TABLE OF NJIT_S2P_S2L_PLANNING_SEGMENT,
      WA_NJIT_S2P_S2L_PLANNING_SEGMENT TYPE NJIT_S2P_S2L_PLANNING_SEGMENT,
      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: <NJIT_S2P_S2L_PLANNING_SEGMENT> TYPE NJIT_S2P_S2L_PLANNING_SEGMENT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_NJIT_S2P_S2L_PLANNING_SEGMENT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM NJIT_S2P_S2L_PLANNING_SEGMENT
  INTO TABLE IT_NJIT_S2P_S2L_PLANNING_SEGMENT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NJIT_S2P_S2L_PLANNING_SEGMENT
*  INTO TABLE @DATA(IT_NJIT_S2P_S2L_PLANNING_SEGMENT2).
*--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_NJIT_S2P_S2L_PLANNING_SEGMENT INDEX 1 INTO DATA(WA_NJIT_S2P_S2L_PLANNING_SEGMENT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_NJIT_S2P_S2L_PLANNING_SEGMENT ASSIGNING <NJIT_S2P_S2L_PLANNING_SEGMENT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NJIT_S2P_S2L_PLANNING_SEGMENT>-CONTROL_CYCLE = 1.
<NJIT_S2P_S2L_PLANNING_SEGMENT>-PLANT = 1.
<NJIT_S2P_S2L_PLANNING_SEGMENT>-PLANT_NAME = 1.
<NJIT_S2P_S2L_PLANNING_SEGMENT>-SUPPLY_AREA = 1.
<NJIT_S2P_S2L_PLANNING_SEGMENT>-SUPPLY_AREA_NAME = 1.

ENDLOOP.

LOOP AT IT_NJIT_S2P_S2L_PLANNING_SEGMENT INTO WA_NJIT_S2P_S2L_PLANNING_SEGMENT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NJIT_S2P_S2L_PLANNING_SEGMENT-STORAGE_BIN, sy-vline,
  WA_NJIT_S2P_S2L_PLANNING_SEGMENT-WAREHOUSE_NUMBER, sy-vline,
  WA_NJIT_S2P_S2L_PLANNING_SEGMENT-COMPONENT, sy-vline,
  WA_NJIT_S2P_S2L_PLANNING_SEGMENT-COMPONENT_NAME, sy-vline,
  WA_NJIT_S2P_S2L_PLANNING_SEGMENT-STORAGE_LOC, sy-vline,
  WA_NJIT_S2P_S2L_PLANNING_SEGMENT-STORAGE_LOC_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NJIT_S2P_S2L_PLANNING_SEGMENT 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_NJIT_S2P_S2L_PLANNING_SEGMENT 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_NJIT_S2P_S2L_PLANNING_SEGMENT INTO WA_NJIT_S2P_S2L_PLANNING_SEGMENT.


*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 CONTROL_CYCLE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_S2P_S2L_PLANNING_SEGMENT-CONTROL_CYCLE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_S2P_S2L_PLANNING_SEGMENT-CONTROL_CYCLE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field COMPONENT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_S2P_S2L_PLANNING_SEGMENT-COMPONENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_S2P_S2L_PLANNING_SEGMENT-COMPONENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUANTITY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_S2P_S2L_PLANNING_SEGMENT-QUANTITY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_S2P_S2L_PLANNING_SEGMENT-QUANTITY_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONTAINER_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_S2P_S2L_PLANNING_SEGMENT-CONTAINER_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_S2P_S2L_PLANNING_SEGMENT-CONTAINER_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_S2P_S2L_PLANNING_SEGMENT-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_S2P_S2L_PLANNING_SEGMENT-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_S2P_S2L_PLANNING_SEGMENT-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_S2P_S2L_PLANNING_SEGMENT-EBELN.
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_NJIT_S2P_S2L_PLANNING_SEGMENT_STR, 
CONTROL_CYCLE TYPE STRING,
PLANT TYPE STRING,
PLANT_NAME TYPE STRING,
SUPPLY_AREA TYPE STRING,
SUPPLY_AREA_NAME TYPE STRING,
STORAGE_BIN TYPE STRING,
WAREHOUSE_NUMBER TYPE STRING,
COMPONENT TYPE STRING,
COMPONENT_NAME TYPE STRING,
STORAGE_LOC TYPE STRING,
STORAGE_LOC_NAME TYPE STRING,
REPLNMTPLANNINGPROCEDURE TYPE STRING,
TOTAL_REQ TYPE STRING,
PHYSICAL_STOCK TYPE STRING,
REPLENISHMENT_QTY TYPE STRING,
MISSING_QTY TYPE STRING,
MINIMUM_QTY TYPE STRING,
AVAILABLE_QTY TYPE STRING,
REQUESTED_QTY TYPE STRING,
QUANTITY_UNIT TYPE STRING,
PLAN_HORIZON_DATE TYPE STRING,
PLAN_HORIZON_DUR TYPE STRING,
PLAN_HORIZON_TIME TYPE STRING,
PLAN_HORIZON_TIMESTAMP TYPE STRING,
NO_SYNC_STOCK TYPE STRING,
PERSON_RESPONSIBLE TYPE STRING,
PERSON_RESPONSIBLE_NAME TYPE STRING,
REPLENISHMENT_STRATEGY TYPE STRING,
SAFETY_STOCK TYPE STRING,
SAFETY_TIME_DAYS TYPE STRING,
SAFETY_TIME_HRS TYPE STRING,
REP_TIME_DAYS TYPE STRING,
REP_TIME_HRS TYPE STRING,
FACTORY_CALENDER TYPE STRING,
SHIFT_GROUPING TYPE STRING,
SHIFT_SEQUENCE TYPE STRING,
CONTAINER_QUANTITY TYPE STRING,
CONTAINER_UNIT TYPE STRING,
NO_LOAD_CARRIERS TYPE STRING,
REPPLANPROC_DESC TYPE STRING,
SOURCE_STORAGE_BIN TYPE STRING,
SOURCE_STORAGE_LOC TYPE STRING,
SOURCE_STORAGE_LOC_NAME TYPE STRING,
REPLENISHMENT_STRATEGY_DESC TYPE STRING,
FACTORY_CAL_NAME TYPE STRING,
EDIT_AUTH_CHECK TYPE STRING,
MISSING_PARTS TYPE STRING,
SOURCE_SUPPLY_AREA TYPE STRING,
OPEN_MISSING_JIT_CALLS TYPE STRING,
REQUESTED_DATE TYPE STRING,
REQUESTED_TIME TYPE STRING,
REQUESTED_TIMESTAMP TYPE STRING,
PROPOSAL_CREATED TYPE STRING,
UNITOFMEASURENUMBEROFDECIMALS TYPE STRING,
EXTERNAL_REPLNISHMENT_STRATEGY TYPE STRING,
JIT_CALL_PRIORITY_IND TYPE STRING,
JIT_CALL_PRIORITY TYPE STRING,
JIT_SUPPLY_TIMESTAMP_IND TYPE STRING,
JIT_SUPPLY_TIMESTAMP TYPE STRING,
JIT_CALL_CRT_TIME_IND TYPE STRING,
JIT_CALL_CRT_TIME TYPE STRING,
LIFNR TYPE STRING,
SUPPLIER_NAME TYPE STRING,
EBELN TYPE STRING,
JIT_DEMANDS TYPE STRING,
ALERTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NJIT_S2P_S2L_PLANNING_SEGMENT_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_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-CONTROL_CYCLE sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PLANT sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PLANT_NAME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SUPPLY_AREA sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SUPPLY_AREA_NAME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-STORAGE_BIN sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-WAREHOUSE_NUMBER sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-COMPONENT sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-COMPONENT_NAME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-STORAGE_LOC sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-STORAGE_LOC_NAME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REPLNMTPLANNINGPROCEDURE sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-TOTAL_REQ sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PHYSICAL_STOCK sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REPLENISHMENT_QTY sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-MISSING_QTY sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-MINIMUM_QTY sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-AVAILABLE_QTY sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REQUESTED_QTY sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-QUANTITY_UNIT sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PLAN_HORIZON_DATE sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PLAN_HORIZON_DUR sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PLAN_HORIZON_TIME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PLAN_HORIZON_TIMESTAMP sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-NO_SYNC_STOCK sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PERSON_RESPONSIBLE sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PERSON_RESPONSIBLE_NAME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REPLENISHMENT_STRATEGY sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SAFETY_STOCK sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SAFETY_TIME_DAYS sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SAFETY_TIME_HRS sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REP_TIME_DAYS sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REP_TIME_HRS sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-FACTORY_CALENDER sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SHIFT_GROUPING sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SHIFT_SEQUENCE sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-CONTAINER_QUANTITY sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-CONTAINER_UNIT sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-NO_LOAD_CARRIERS sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REPPLANPROC_DESC sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SOURCE_STORAGE_BIN sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SOURCE_STORAGE_LOC sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SOURCE_STORAGE_LOC_NAME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REPLENISHMENT_STRATEGY_DESC sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-FACTORY_CAL_NAME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-EDIT_AUTH_CHECK sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-MISSING_PARTS sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SOURCE_SUPPLY_AREA sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-OPEN_MISSING_JIT_CALLS sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REQUESTED_DATE sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REQUESTED_TIME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-REQUESTED_TIMESTAMP sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-PROPOSAL_CREATED sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-UNITOFMEASURENUMBEROFDECIMALS sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-EXTERNAL_REPLNISHMENT_STRATEGY sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-JIT_CALL_PRIORITY_IND sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-JIT_CALL_PRIORITY sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-JIT_SUPPLY_TIMESTAMP_IND sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-JIT_SUPPLY_TIMESTAMP sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-JIT_CALL_CRT_TIME_IND sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-JIT_CALL_CRT_TIME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-LIFNR sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-SUPPLIER_NAME sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-EBELN sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-JIT_DEMANDS sy-vline 
WA_NJIT_S2P_S2L_PLANNING_SEGMENT_STR-ALERTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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