ABAP Select data from SAP table CRMT_SEL_CONT_ITEMS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMT_SEL_CONT_ITEMS 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_SEL_CONT_ITEMS. 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_SEL_CONT_ITEMS 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_SEL_CONT_ITEMS TYPE STANDARD TABLE OF CRMT_SEL_CONT_ITEMS,
      WA_CRMT_SEL_CONT_ITEMS TYPE CRMT_SEL_CONT_ITEMS,
      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_SEL_CONT_ITEMS> TYPE CRMT_SEL_CONT_ITEMS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_SEL_CONT_ITEMS
*  INTO TABLE @DATA(IT_CRMT_SEL_CONT_ITEMS2).
*--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_SEL_CONT_ITEMS INDEX 1 INTO DATA(WA_CRMT_SEL_CONT_ITEMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_SEL_CONT_ITEMS>-ITEM_GUID = 1.
<CRMT_SEL_CONT_ITEMS>-HEADER_GUID = 1.
<CRMT_SEL_CONT_ITEMS>-PRODUCT = 1.
<CRMT_SEL_CONT_ITEMS>-ITEM_DATA = 1.
<CRMT_SEL_CONT_ITEMS>-NUMBER_INT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_SEL_CONT_ITEMS-NUMBER_EXT, sy-vline,
  WA_CRMT_SEL_CONT_ITEMS-DATE_CONTSTART, sy-vline,
  WA_CRMT_SEL_CONT_ITEMS-DATE_CONTEND, sy-vline,
  WA_CRMT_SEL_CONT_ITEMS-SALES_ORG, sy-vline,
  WA_CRMT_SEL_CONT_ITEMS-DIS_CHANNEL, sy-vline,
  WA_CRMT_SEL_CONT_ITEMS-SOLD_TO_PARTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_SEL_CONT_ITEMS 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_SEL_CONT_ITEMS 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_SEL_CONT_ITEMS INTO WA_CRMT_SEL_CONT_ITEMS.


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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CONFIG_FILTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_SEL_CONT_ITEMS-CONFIG_FILTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_SEL_CONT_ITEMS-CONFIG_FILTER.
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_SEL_CONT_ITEMS_STR, 
ITEM_GUID TYPE STRING,
HEADER_GUID TYPE STRING,
PRODUCT TYPE STRING,
ITEM_DATA TYPE STRING,
NUMBER_INT TYPE STRING,
NUMBER_EXT TYPE STRING,
DATE_CONTSTART TYPE STRING,
DATE_CONTEND TYPE STRING,
SALES_ORG TYPE STRING,
DIS_CHANNEL TYPE STRING,
SOLD_TO_PARTY TYPE STRING,
SHIP_TO_PARTY TYPE STRING,
BILL_TO_PARTY TYPE STRING,
PAYER TYPE STRING,
CONTACT_PERSON TYPE STRING,
PRODUCT_ID TYPE STRING,
PRODUCT_TEXT TYPE STRING,
PRP_TEXT TYPE STRING,
RELEASED_QUANTITY TYPE STRING,
RELEASED_UNIT TYPE STRING,
RELEASED_VALUE TYPE STRING,
RELEASED_CURRENCY TYPE STRING,
TARGET_QUANTITY TYPE STRING,
TARGET_UNIT TYPE STRING,
TARGET_VALUE TYPE STRING,
TARGET_CURRENCY TYPE STRING,
PMNTTRMS TYPE STRING,
INCOTERMS1 TYPE STRING,
INCOTERMS2 TYPE STRING,
SHIP_COND TYPE STRING,
PO_NUMBER_SOLD TYPE STRING,
TZONE_CONTSTART TYPE STRING,
TZONE_CONTEND TYPE STRING,
DIVISION TYPE STRING,
SALES_OFFICE TYPE STRING,
SALES_GROUP TYPE STRING,
MORE_THAN_ONE TYPE STRING,
CONFIG_FILTER TYPE STRING,
PRP_ALL_ALLOWED TYPE STRING,
ROOT_CONFIG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_SEL_CONT_ITEMS_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_SEL_CONT_ITEMS_STR-ITEM_GUID sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-HEADER_GUID sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-PRODUCT sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-ITEM_DATA sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-NUMBER_INT sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-NUMBER_EXT sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-DATE_CONTSTART sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-DATE_CONTEND sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-SALES_ORG sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-DIS_CHANNEL sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-SOLD_TO_PARTY sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-SHIP_TO_PARTY sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-BILL_TO_PARTY sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-PAYER sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-CONTACT_PERSON sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-PRODUCT_ID sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-PRODUCT_TEXT sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-PRP_TEXT sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-RELEASED_QUANTITY sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-RELEASED_UNIT sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-RELEASED_VALUE sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-RELEASED_CURRENCY sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-TARGET_QUANTITY sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-TARGET_UNIT sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-TARGET_VALUE sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-TARGET_CURRENCY sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-PMNTTRMS sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-INCOTERMS1 sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-INCOTERMS2 sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-SHIP_COND sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-PO_NUMBER_SOLD sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-TZONE_CONTSTART sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-TZONE_CONTEND sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-DIVISION sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-SALES_OFFICE sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-SALES_GROUP sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-MORE_THAN_ONE sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-CONFIG_FILTER sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-PRP_ALL_ALLOWED sy-vline 
WA_CRMT_SEL_CONT_ITEMS_STR-ROOT_CONFIG sy-vline      INTO ld_text SEPARATED BY SPACE.

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