ABAP Select data from SAP table CRMT_REPORT_GEN_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_REPORT_GEN_ITEM
*  INTO TABLE @DATA(IT_CRMT_REPORT_GEN_ITEM2).
*--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_CRMT_REPORT_GEN_ITEM INDEX 1 INTO DATA(WA_CRMT_REPORT_GEN_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_REPORT_GEN_ITEM>-QUANTITY = 1.
<CRMT_REPORT_GEN_ITEM>-PROCESS_QTY_UNIT = 1.
<CRMT_REPORT_GEN_ITEM>-CONCATSTAT_I = 1.
<CRMT_REPORT_GEN_ITEM>-CONCATSTATUSER_I = 1.
<CRMT_REPORT_GEN_ITEM>-PROD_PR_GROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_REPORT_GEN_ITEM-PRC_GROUP1, sy-vline,
  WA_CRMT_REPORT_GEN_ITEM-PRC_GROUP2, sy-vline,
  WA_CRMT_REPORT_GEN_ITEM-PRC_GROUP3, sy-vline,
  WA_CRMT_REPORT_GEN_ITEM-PRC_GROUP4, sy-vline,
  WA_CRMT_REPORT_GEN_ITEM-PRC_GROUP5, sy-vline,
  WA_CRMT_REPORT_GEN_ITEM-REF_CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_REPORT_GEN_ITEM 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_CRMT_REPORT_GEN_ITEM 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_CRMT_REPORT_GEN_ITEM INTO WA_CRMT_REPORT_GEN_ITEM.


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

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

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

*Conversion exit TSTPS, internal->external for field LATESTTIM_CNFRMD
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_REPORT_GEN_ITEM-LATESTTIM_CNFRMD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_REPORT_GEN_ITEM-LATESTTIM_CNFRMD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field LATESTTIME_ORDER
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_REPORT_GEN_ITEM-LATESTTIME_ORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_REPORT_GEN_ITEM-LATESTTIME_ORDER.
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_CRMT_REPORT_GEN_ITEM_STR, 
QUANTITY TYPE STRING,
PROCESS_QTY_UNIT TYPE STRING,
CONCATSTAT_I TYPE STRING,
CONCATSTATUSER_I TYPE STRING,
PROD_PR_GROUP TYPE STRING,
PRC_GROUP1 TYPE STRING,
PRC_GROUP2 TYPE STRING,
PRC_GROUP3 TYPE STRING,
PRC_GROUP4 TYPE STRING,
PRC_GROUP5 TYPE STRING,
REF_CURRENCY TYPE STRING,
CURRENCY TYPE STRING,
NET_VALUE TYPE STRING,
GROSS_VALUE TYPE STRING,
PROD_HIERARCHY TYPE STRING,
BASE_QTY_UNIT TYPE STRING,
NET_WEIGHT TYPE STRING,
WEIGHT_UNIT TYPE STRING,
PROCESS_QTY_NUM TYPE STRING,
PROCESS_QTY_DEN TYPE STRING,
EXPONENT10 TYPE STRING,
PRODUCT_CATEGORY_TEXT TYPE STRING,
CATEGORY_GUID TYPE STRING,
PROD_HIERAR_TXT TYPE STRING,
NET_VALUE_MAN TYPE STRING,
FROM TYPE STRING,
TO TYPE STRING,
FROM_TIME TYPE STRING,
TO_TIME TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
VALID_FROM_TIME TYPE STRING,
VALID_TO_TIME TYPE STRING,
STAT_QUOT_I TYPE STRING,
STAT_OPEN_I TYPE STRING,
STATUS_OPEN_I TYPE STRING,
STATUS_COMPL_I TYPE STRING,
STATUS_INPROC_I TYPE STRING,
STAT_PLANNED_I TYPE STRING,
STAT_QACCEPTED_I TYPE STRING,
STAT_REJECTED_I TYPE STRING,
STAT_CREDIT_OK_I TYPE STRING,
STAT_CRDT_N_OK_I TYPE STRING,
STAT_PART_DELV_I TYPE STRING,
STAT_COMP_DELV_I TYPE STRING,
STAT_PURORDCOM_I TYPE STRING,
STAT_PURORDCRE_I TYPE STRING,
STAT_OLTPIPARDELV_I TYPE STRING,
STAT_OLTPICOMDELV_I TYPE STRING,
STAT_OLTPIPARCONF_I TYPE STRING,
STAT_OLTPICOMCONF_I TYPE STRING,
STAT_COMGOODIS_I TYPE STRING,
STAT_PARGOODIS_I TYPE STRING,
STAT_INVOFULL_I TYPE STRING,
STAT_INVOPART_I TYPE STRING,
STAT_CANCONSRV_I TYPE STRING,
STATUS_USER_I TYPE STRING,
STATUS_SYSTEM_I TYPE STRING,
USER_STAT_PROC_I TYPE STRING,
PROCESS_I TYPE STRING,
KIND_I TYPE STRING,
TXT04_I TYPE STRING,
TXT30_I TYPE STRING,
CANCPROC_I TYPE STRING,
CANCPARTY_I TYPE STRING,
CANC_REASON_I TYPE STRING,
CONFIRMED_QTY TYPE STRING,
LATESTTIM_CNFRMD TYPE STRING,
LATESTTIME_ORDER TYPE STRING,
STATISTICAL TYPE STRING,
SUBTOTAL1 TYPE STRING,
SUBTOTAL2 TYPE STRING,
SUBTOTAL3 TYPE STRING,
SUBTOTAL4 TYPE STRING,
SUBTOTAL5 TYPE STRING,
SUBTOTAL6 TYPE STRING,
TAX_AMOUNT TYPE STRING,
FREIGHT TYPE STRING,
MATERIAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_REPORT_GEN_ITEM_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_CRMT_REPORT_GEN_ITEM_STR-QUANTITY sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PROCESS_QTY_UNIT sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-CONCATSTAT_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-CONCATSTATUSER_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PROD_PR_GROUP sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PRC_GROUP1 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PRC_GROUP2 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PRC_GROUP3 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PRC_GROUP4 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PRC_GROUP5 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-REF_CURRENCY sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-CURRENCY sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-NET_VALUE sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-GROSS_VALUE sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PROD_HIERARCHY sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-BASE_QTY_UNIT sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-NET_WEIGHT sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-WEIGHT_UNIT sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PROCESS_QTY_NUM sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PROCESS_QTY_DEN sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-EXPONENT10 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PRODUCT_CATEGORY_TEXT sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-CATEGORY_GUID sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PROD_HIERAR_TXT sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-NET_VALUE_MAN sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-FROM sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-TO sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-FROM_TIME sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-TO_TIME sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-VALID_FROM sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-VALID_TO sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-VALID_FROM_TIME sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-VALID_TO_TIME sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_QUOT_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_OPEN_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STATUS_OPEN_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STATUS_COMPL_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STATUS_INPROC_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_PLANNED_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_QACCEPTED_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_REJECTED_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_CREDIT_OK_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_CRDT_N_OK_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_PART_DELV_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_COMP_DELV_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_PURORDCOM_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_PURORDCRE_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_OLTPIPARDELV_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_OLTPICOMDELV_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_OLTPIPARCONF_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_OLTPICOMCONF_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_COMGOODIS_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_PARGOODIS_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_INVOFULL_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_INVOPART_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STAT_CANCONSRV_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STATUS_USER_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STATUS_SYSTEM_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-USER_STAT_PROC_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-PROCESS_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-KIND_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-TXT04_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-TXT30_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-CANCPROC_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-CANCPARTY_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-CANC_REASON_I sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-CONFIRMED_QTY sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-LATESTTIM_CNFRMD sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-LATESTTIME_ORDER sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-STATISTICAL sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-SUBTOTAL1 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-SUBTOTAL2 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-SUBTOTAL3 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-SUBTOTAL4 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-SUBTOTAL5 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-SUBTOTAL6 sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-TAX_AMOUNT sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-FREIGHT sy-vline 
WA_CRMT_REPORT_GEN_ITEM_STR-MATERIAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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