ABAP Select data from SAP table NJIT_S_CALL_COMPGRP_FOR_GM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP NJIT_S_CALL_COMPGRP_FOR_GM 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_S_CALL_COMPGRP_FOR_GM. 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_S_CALL_COMPGRP_FOR_GM 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_S_CALL_COMPGRP_FOR_GM TYPE STANDARD TABLE OF NJIT_S_CALL_COMPGRP_FOR_GM,
      WA_NJIT_S_CALL_COMPGRP_FOR_GM TYPE NJIT_S_CALL_COMPGRP_FOR_GM,
      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_S_CALL_COMPGRP_FOR_GM> TYPE NJIT_S_CALL_COMPGRP_FOR_GM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NJIT_S_CALL_COMPGRP_FOR_GM
*  INTO TABLE @DATA(IT_NJIT_S_CALL_COMPGRP_FOR_GM2).
*--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_S_CALL_COMPGRP_FOR_GM INDEX 1 INTO DATA(WA_NJIT_S_CALL_COMPGRP_FOR_GM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NJIT_S_CALL_COMPGRP_FOR_GM>-JITCALLCOMPGRPUUID = 1.
<NJIT_S_CALL_COMPGRP_FOR_GM>-JITHEADERUUID = 1.
<NJIT_S_CALL_COMPGRP_FOR_GM>-INT_CALL_NUM = 1.
<NJIT_S_CALL_COMPGRP_FOR_GM>-COMP_GRP_NUM = 1.
<NJIT_S_CALL_COMPGRP_FOR_GM>-EXT_COMP_GRP_NUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NJIT_S_CALL_COMPGRP_FOR_GM-COMP_GRP_MAT, sy-vline,
  WA_NJIT_S_CALL_COMPGRP_FOR_GM-CUST_COMP_GRP_MAT, sy-vline,
  WA_NJIT_S_CALL_COMPGRP_FOR_GM-INT_SEQUENCE_NUM, sy-vline,
  WA_NJIT_S_CALL_COMPGRP_FOR_GM-EXT_SEQUENCE_NUM, sy-vline,
  WA_NJIT_S_CALL_COMPGRP_FOR_GM-EXT_STAT_TRANS, sy-vline,
  WA_NJIT_S_CALL_COMPGRP_FOR_GM-EXT_STAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NJIT_S_CALL_COMPGRP_FOR_GM 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_S_CALL_COMPGRP_FOR_GM 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_S_CALL_COMPGRP_FOR_GM INTO WA_NJIT_S_CALL_COMPGRP_FOR_GM.


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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_S_CALL_COMPGRP_FOR_GM-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_S_CALL_COMPGRP_FOR_GM-MEINS.
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_S_CALL_COMPGRP_FOR_GM_STR, 
JITCALLCOMPGRPUUID TYPE STRING,
JITHEADERUUID TYPE STRING,
INT_CALL_NUM TYPE STRING,
COMP_GRP_NUM TYPE STRING,
EXT_COMP_GRP_NUM TYPE STRING,
COMP_GRP_MAT TYPE STRING,
CUST_COMP_GRP_MAT TYPE STRING,
INT_SEQUENCE_NUM TYPE STRING,
EXT_SEQUENCE_NUM TYPE STRING,
EXT_STAT_TRANS TYPE STRING,
EXT_STAT TYPE STRING,
TRANSMITTEDEXTSTSUPDTDDTETME TYPE STRING,
EXT_STAT_UPDATED_ON TYPE STRING,
INT_STAT TYPE STRING,
INT_STAT_UPDATED_ON TYPE STRING,
WERKS TYPE STRING,
CUST_SUP_AREA TYPE STRING,
ABLAD TYPE STRING,
FLDPO TYPE STRING,
VSTEL TYPE STRING,
LGORT TYPE STRING,
SUPPLY_CNTRL TYPE STRING,
SUPPLYCONTROLUUID TYPE STRING,
JITDELIVSQNCGRPID TYPE STRING,
JITDELIVSQNCGRPUUID TYPE STRING,
ACTION_CNTRL TYPE STRING,
REQUIREMENT_DT TYPE STRING,
SUPPLY_DATE_TIME TYPE STRING,
PLANNED_SHIPPING_DT TYPE STRING,
ACTUAL_SHIPPING_DT TYPE STRING,
MATERIAL_AVAILABILITY_DATE TYPE STRING,
MATERIAL_AVAILABILITY_TIME TYPE STRING,
WLDAT TYPE STRING,
WLUHR TYPE STRING,
LGNUM TYPE STRING,
LEDAT TYPE STRING,
PRODN_START_DATE TYPE STRING,
PRODN_END_DATE TYPE STRING,
PRODUCTIONVERSION TYPE STRING,
CONTROL_CYCLE TYPE STRING,
PROD_SUP_AREA TYPE STRING,
DEST_STORAGE_LOC TYPE STRING,
EWM_LGNUM TYPE STRING,
SRC_LGNUM TYPE STRING,
DUMMY_NJIT_COMPGRP_INCL_EEW_PS TYPE STRING,
REQUESTED_QUANTITY TYPE STRING,
DELIVERED_QUANTITY TYPE STRING,
DELIVERY_QUANTITY TYPE STRING,
MEINS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NJIT_S_CALL_COMPGRP_FOR_GM_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_S_CALL_COMPGRP_FOR_GM_STR-JITCALLCOMPGRPUUID sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-JITHEADERUUID sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-INT_CALL_NUM sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-COMP_GRP_NUM sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-EXT_COMP_GRP_NUM sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-COMP_GRP_MAT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-CUST_COMP_GRP_MAT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-INT_SEQUENCE_NUM sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-EXT_SEQUENCE_NUM sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-EXT_STAT_TRANS sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-EXT_STAT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-TRANSMITTEDEXTSTSUPDTDDTETME sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-EXT_STAT_UPDATED_ON sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-INT_STAT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-INT_STAT_UPDATED_ON sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-WERKS sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-CUST_SUP_AREA sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-ABLAD sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-FLDPO sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-VSTEL sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-LGORT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-SUPPLY_CNTRL sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-SUPPLYCONTROLUUID sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-JITDELIVSQNCGRPID sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-JITDELIVSQNCGRPUUID sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-ACTION_CNTRL sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-REQUIREMENT_DT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-SUPPLY_DATE_TIME sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-PLANNED_SHIPPING_DT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-ACTUAL_SHIPPING_DT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-MATERIAL_AVAILABILITY_DATE sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-MATERIAL_AVAILABILITY_TIME sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-WLDAT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-WLUHR sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-LGNUM sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-LEDAT sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-PRODN_START_DATE sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-PRODN_END_DATE sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-PRODUCTIONVERSION sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-CONTROL_CYCLE sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-PROD_SUP_AREA sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-DEST_STORAGE_LOC sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-EWM_LGNUM sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-SRC_LGNUM sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-DUMMY_NJIT_COMPGRP_INCL_EEW_PS sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-REQUESTED_QUANTITY sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-DELIVERED_QUANTITY sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-DELIVERY_QUANTITY sy-vline 
WA_NJIT_S_CALL_COMPGRP_FOR_GM_STR-MEINS sy-vline      INTO ld_text SEPARATED BY SPACE.

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