ABAP Select data from SAP table CRMT_CUMULAT_H_DB_WRK into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMT_CUMULAT_H_DB_WRK 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_CUMULAT_H_DB_WRK. 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_CUMULAT_H_DB_WRK 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_CUMULAT_H_DB_WRK TYPE STANDARD TABLE OF CRMT_CUMULAT_H_DB_WRK,
      WA_CRMT_CUMULAT_H_DB_WRK TYPE CRMT_CUMULAT_H_DB_WRK,
      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_CUMULAT_H_DB_WRK> TYPE CRMT_CUMULAT_H_DB_WRK.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_CUMULAT_H_DB_WRK
*  INTO TABLE @DATA(IT_CRMT_CUMULAT_H_DB_WRK2).
*--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_CUMULAT_H_DB_WRK INDEX 1 INTO DATA(WA_CRMT_CUMULAT_H_DB_WRK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_CUMULAT_H_DB_WRK>-CLIENT = 1.
<CRMT_CUMULAT_H_DB_WRK>-GUID = 1.
<CRMT_CUMULAT_H_DB_WRK>-GROSS_WEIGHT = 1.
<CRMT_CUMULAT_H_DB_WRK>-NET_WEIGHT = 1.
<CRMT_CUMULAT_H_DB_WRK>-WEIGHT_UNIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_CUMULAT_H_DB_WRK-VOLUME, sy-vline,
  WA_CRMT_CUMULAT_H_DB_WRK-VOLUME_UNIT, sy-vline,
  WA_CRMT_CUMULAT_H_DB_WRK-GROSS_VALUE, sy-vline,
  WA_CRMT_CUMULAT_H_DB_WRK-NET_VALUE, sy-vline,
  WA_CRMT_CUMULAT_H_DB_WRK-NET_VALUE_MAN, sy-vline,
  WA_CRMT_CUMULAT_H_DB_WRK-TAX_AMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_CUMULAT_H_DB_WRK 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_CUMULAT_H_DB_WRK 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_CUMULAT_H_DB_WRK INTO WA_CRMT_CUMULAT_H_DB_WRK.


*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 WEIGHT_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_CUMULAT_H_DB_WRK-WEIGHT_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_CUMULAT_H_DB_WRK-WEIGHT_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLUME_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_CUMULAT_H_DB_WRK-VOLUME_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_CUMULAT_H_DB_WRK-VOLUME_UNIT.
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_CUMULAT_H_DB_WRK_STR, 
CLIENT TYPE STRING,
GUID TYPE STRING,
GROSS_WEIGHT TYPE STRING,
NET_WEIGHT TYPE STRING,
WEIGHT_UNIT TYPE STRING,
VOLUME TYPE STRING,
VOLUME_UNIT TYPE STRING,
GROSS_VALUE TYPE STRING,
NET_VALUE TYPE STRING,
NET_VALUE_MAN TYPE STRING,
TAX_AMOUNT TYPE STRING,
FREIGHT TYPE STRING,
NET_WO_FREIGHT TYPE STRING,
NUMBER_ITEMS TYPE STRING,
COST_AMOUNT TYPE STRING,
PAYMENT_AMOUNT TYPE STRING,
RECURRING_CHARGE TYPE STRING,
RECURRING_TAX TYPE STRING,
RECURRING_GROSS TYPE STRING,
REC_DURATION TYPE STRING,
REC_TIME_UNIT TYPE STRING,
NON_REC_CHARGE TYPE STRING,
NON_REC_TAX TYPE STRING,
NON_REC_GROSS TYPE STRING,
CLAIMED_AMOUNT TYPE STRING,
VALIDATED_AMOUNT TYPE STRING,
SETTLED_AMOUNT TYPE STRING,
REJECTED_AMOUNT TYPE STRING,
CHARGEB_AMOUNT TYPE STRING,
RECOVERED_AMOUNT TYPE STRING,
CARR_OVER_AMOUNT TYPE STRING,
COLLECTBL_AMOUNT TYPE STRING,
UNCOLL_AMOUNT TYPE STRING,
PP_ORIG_AMOUNT TYPE STRING,
PP_CHB_AMOUNT TYPE STRING,
PP_WR_OFF_AMOUNT TYPE STRING,
UNRESOLVD_AMOUNT TYPE STRING,
REQUESTED_AMOUNT TYPE STRING,
PP_REMAIN_AMOUNT TYPE STRING,
UNASS_AMOUNT TYPE STRING,
CLA_COST_AMOUNT TYPE STRING,
REL_EXP_AMOUNT TYPE STRING,
PAID_AMOUNT TYPE STRING,
CLEARED_AMOUNT TYPE STRING,
UNCLEAR_REJ_AMNT TYPE STRING,
CHARGEB_SUM_AMNT TYPE STRING,
WROFF_SUM_AMOUNT TYPE STRING,
CAROVER_SUM_AMNT TYPE STRING,
UNASS_NET_AMOUNT TYPE STRING,
UNRESOL_NET_AMNT TYPE STRING,
CHARGEB_NET_AMNT TYPE STRING,
PP_NET_AMOUNT TYPE STRING,
PEND_RECOV_AMNT TYPE STRING,
NOREC_FLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_CUMULAT_H_DB_WRK_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_CUMULAT_H_DB_WRK_STR-CLIENT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-GUID sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-GROSS_WEIGHT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-NET_WEIGHT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-WEIGHT_UNIT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-VOLUME sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-VOLUME_UNIT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-GROSS_VALUE sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-NET_VALUE sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-NET_VALUE_MAN sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-TAX_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-FREIGHT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-NET_WO_FREIGHT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-NUMBER_ITEMS sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-COST_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-PAYMENT_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-RECURRING_CHARGE sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-RECURRING_TAX sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-RECURRING_GROSS sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-REC_DURATION sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-REC_TIME_UNIT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-NON_REC_CHARGE sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-NON_REC_TAX sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-NON_REC_GROSS sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-CLAIMED_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-VALIDATED_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-SETTLED_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-REJECTED_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-CHARGEB_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-RECOVERED_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-CARR_OVER_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-COLLECTBL_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-UNCOLL_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-PP_ORIG_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-PP_CHB_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-PP_WR_OFF_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-UNRESOLVD_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-REQUESTED_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-PP_REMAIN_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-UNASS_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-CLA_COST_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-REL_EXP_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-PAID_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-CLEARED_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-UNCLEAR_REJ_AMNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-CHARGEB_SUM_AMNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-WROFF_SUM_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-CAROVER_SUM_AMNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-UNASS_NET_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-UNRESOL_NET_AMNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-CHARGEB_NET_AMNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-PP_NET_AMOUNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-PEND_RECOV_AMNT sy-vline 
WA_CRMT_CUMULAT_H_DB_WRK_STR-NOREC_FLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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