ABAP Select data from SAP table CRMS_ISX_TMPL_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMS_ISX_TMPL_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 CRMS_ISX_TMPL_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 CRMS_ISX_TMPL_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_CRMS_ISX_TMPL_ITEM TYPE STANDARD TABLE OF CRMS_ISX_TMPL_ITEM,
      WA_CRMS_ISX_TMPL_ITEM TYPE CRMS_ISX_TMPL_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: <CRMS_ISX_TMPL_ITEM> TYPE CRMS_ISX_TMPL_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS_ISX_TMPL_ITEM
*  INTO TABLE @DATA(IT_CRMS_ISX_TMPL_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_CRMS_ISX_TMPL_ITEM INDEX 1 INTO DATA(WA_CRMS_ISX_TMPL_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS_ISX_TMPL_ITEM>-CLIENT = 1.
<CRMS_ISX_TMPL_ITEM>-GUID = 1.
<CRMS_ISX_TMPL_ITEM>-REF_GUID = 1.
<CRMS_ISX_TMPL_ITEM>-APPLICATION = 1.
<CRMS_ISX_TMPL_ITEM>-PROCESS_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS_ISX_TMPL_ITEM-CREATED_ON, sy-vline,
  WA_CRMS_ISX_TMPL_ITEM-CREATED_BY, sy-vline,
  WA_CRMS_ISX_TMPL_ITEM-CREATED_AT, sy-vline,
  WA_CRMS_ISX_TMPL_ITEM-CHANGED_ON, sy-vline,
  WA_CRMS_ISX_TMPL_ITEM-CHANGED_BY, sy-vline,
  WA_CRMS_ISX_TMPL_ITEM-CHANGED_AT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS_ISX_TMPL_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_CRMS_ISX_TMPL_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_CRMS_ISX_TMPL_ITEM INTO WA_CRMS_ISX_TMPL_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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CRMS_ISX_TMPL_ITEM_STR, 
CLIENT TYPE STRING,
GUID TYPE STRING,
REF_GUID TYPE STRING,
APPLICATION TYPE STRING,
PROCESS_TYPE TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
PROC_TYPE TYPE STRING,
SALES_ORG TYPE STRING,
DIS_CHANNEL TYPE STRING,
PROCESS_MODE TYPE STRING,
TEMPCONT TYPE STRING,
ORDERADM_I TYPE STRING,
CONFIG TYPE STRING,
STRUCT_I TYPE STRING,
APPOINTMENT TYPE STRING,
SCHEDLIN TYPE STRING,
IST_ITEM_EXTENSION TYPE STRING,
TC_TECH_RES TYPE STRING,
MESSAGES TYPE STRING,
PRODUCT_I TYPE STRING,
BILLING TYPE STRING,
BILLPLAN TYPE STRING,
PRICING_I TYPE STRING,
FORCE_NEW_BUAG TYPE STRING,
STATUS TYPE STRING,
DOC_FLOW TYPE STRING,
CANCEL TYPE STRING,
DISCOUNT TYPE STRING,
PARTNER TYPE STRING,
ISX_MAPTB_I TYPE STRING,
ISU_CONT_TS TYPE STRING,
ISU_CONT TYPE STRING,
AC_ASSIGN TYPE STRING,
ODI_STEP TYPE STRING,
PAYPLAN TYPE STRING,
PAYPLAN_D TYPE STRING,
CUSTOMER_I TYPE STRING,
PRICING TYPE STRING,
SALES TYPE STRING,
TEXT TYPE STRING,
ORDPRP_I TYPE STRING,
ORDPRP_I_D TYPE STRING,
ORDPRP_OBJL_I_D TYPE STRING,
EXT_REF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS_ISX_TMPL_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_CRMS_ISX_TMPL_ITEM_STR-CLIENT sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-GUID sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-REF_GUID sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-APPLICATION sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-PROCESS_TYPE sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-CREATED_ON sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-CREATED_BY sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-CREATED_AT sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-CHANGED_ON sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-CHANGED_BY sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-CHANGED_AT sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-PROC_TYPE sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-SALES_ORG sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-DIS_CHANNEL sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-PROCESS_MODE sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-TEMPCONT sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-ORDERADM_I sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-CONFIG sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-STRUCT_I sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-APPOINTMENT sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-SCHEDLIN sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-IST_ITEM_EXTENSION sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-TC_TECH_RES sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-MESSAGES sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-PRODUCT_I sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-BILLING sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-BILLPLAN sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-PRICING_I sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-FORCE_NEW_BUAG sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-STATUS sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-DOC_FLOW sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-CANCEL sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-DISCOUNT sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-PARTNER sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-ISX_MAPTB_I sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-ISU_CONT_TS sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-ISU_CONT sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-AC_ASSIGN sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-ODI_STEP sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-PAYPLAN sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-PAYPLAN_D sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-CUSTOMER_I sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-PRICING sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-SALES sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-TEXT sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-ORDPRP_I sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-ORDPRP_I_D sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-ORDPRP_OBJL_I_D sy-vline 
WA_CRMS_ISX_TMPL_ITEM_STR-EXT_REF sy-vline      INTO ld_text SEPARATED BY SPACE.

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