ABAP Select data from SAP table CRM_PROVIDER_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRM_PROVIDER_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 CRM_PROVIDER_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 CRM_PROVIDER_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_CRM_PROVIDER_ITEM TYPE STANDARD TABLE OF CRM_PROVIDER_ITEM,
      WA_CRM_PROVIDER_ITEM TYPE CRM_PROVIDER_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: <CRM_PROVIDER_ITEM> TYPE CRM_PROVIDER_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRM_PROVIDER_ITEM
*  INTO TABLE @DATA(IT_CRM_PROVIDER_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_CRM_PROVIDER_ITEM INDEX 1 INTO DATA(WA_CRM_PROVIDER_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRM_PROVIDER_ITEM>-GUID = 1.
<CRM_PROVIDER_ITEM>-OBJECT_ID = 1.
<CRM_PROVIDER_ITEM>-HEADER = 1.
<CRM_PROVIDER_ITEM>-PARENT = 1.
<CRM_PROVIDER_ITEM>-PRODUCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRM_PROVIDER_ITEM-ORDERED_PROD, sy-vline,
  WA_CRM_PROVIDER_ITEM-DESCRIPTION, sy-vline,
  WA_CRM_PROVIDER_ITEM-NUMBER_INT, sy-vline,
  WA_CRM_PROVIDER_ITEM-ITM_TYPE, sy-vline,
  WA_CRM_PROVIDER_ITEM-OBJECT_TYPE, sy-vline,
  WA_CRM_PROVIDER_ITEM-CREATED_AT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRM_PROVIDER_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_CRM_PROVIDER_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_CRM_PROVIDER_ITEM INTO WA_CRM_PROVIDER_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 ALPHA, internal->external for field OBJECT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRM_PROVIDER_ITEM-OBJECT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRM_PROVIDER_ITEM-OBJECT_ID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field AD_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRM_PROVIDER_ITEM-AD_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRM_PROVIDER_ITEM-AD_NUM.
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_CRM_PROVIDER_ITEM_STR, 
GUID TYPE STRING,
OBJECT_ID TYPE STRING,
HEADER TYPE STRING,
PARENT TYPE STRING,
PRODUCT TYPE STRING,
ORDERED_PROD TYPE STRING,
DESCRIPTION TYPE STRING,
NUMBER_INT TYPE STRING,
ITM_TYPE TYPE STRING,
OBJECT_TYPE TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
SOLD_TO_PARTY TYPE STRING,
EXT_REF_ID TYPE STRING,
DATE_CONTEND TYPE STRING,
ISTCONTSRTTS TYPE STRING,
ISTCONTENDTS TYPE STRING,
SO_RMCA_LL TYPE STRING,
SO_CUST_LL TYPE STRING,
CANCDATE TYPE STRING,
CONTSTART TYPE STRING,
LT_STATUS TYPE STRING,
CANCDATE_CHANGE TYPE STRING,
SERVICE_ID TYPE STRING,
PACKAGE_DESCRIPTION TYPE STRING,
AD_NUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRM_PROVIDER_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_CRM_PROVIDER_ITEM_STR-GUID sy-vline 
WA_CRM_PROVIDER_ITEM_STR-OBJECT_ID sy-vline 
WA_CRM_PROVIDER_ITEM_STR-HEADER sy-vline 
WA_CRM_PROVIDER_ITEM_STR-PARENT sy-vline 
WA_CRM_PROVIDER_ITEM_STR-PRODUCT sy-vline 
WA_CRM_PROVIDER_ITEM_STR-ORDERED_PROD sy-vline 
WA_CRM_PROVIDER_ITEM_STR-DESCRIPTION sy-vline 
WA_CRM_PROVIDER_ITEM_STR-NUMBER_INT sy-vline 
WA_CRM_PROVIDER_ITEM_STR-ITM_TYPE sy-vline 
WA_CRM_PROVIDER_ITEM_STR-OBJECT_TYPE sy-vline 
WA_CRM_PROVIDER_ITEM_STR-CREATED_AT sy-vline 
WA_CRM_PROVIDER_ITEM_STR-CREATED_BY sy-vline 
WA_CRM_PROVIDER_ITEM_STR-SOLD_TO_PARTY sy-vline 
WA_CRM_PROVIDER_ITEM_STR-EXT_REF_ID sy-vline 
WA_CRM_PROVIDER_ITEM_STR-DATE_CONTEND sy-vline 
WA_CRM_PROVIDER_ITEM_STR-ISTCONTSRTTS sy-vline 
WA_CRM_PROVIDER_ITEM_STR-ISTCONTENDTS sy-vline 
WA_CRM_PROVIDER_ITEM_STR-SO_RMCA_LL sy-vline 
WA_CRM_PROVIDER_ITEM_STR-SO_CUST_LL sy-vline 
WA_CRM_PROVIDER_ITEM_STR-CANCDATE sy-vline 
WA_CRM_PROVIDER_ITEM_STR-CONTSTART sy-vline 
WA_CRM_PROVIDER_ITEM_STR-LT_STATUS sy-vline 
WA_CRM_PROVIDER_ITEM_STR-CANCDATE_CHANGE sy-vline 
WA_CRM_PROVIDER_ITEM_STR-SERVICE_ID sy-vline 
WA_CRM_PROVIDER_ITEM_STR-PACKAGE_DESCRIPTION sy-vline 
WA_CRM_PROVIDER_ITEM_STR-AD_NUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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