ABAP Select data from SAP table CRMT_EDR_DATA_EXT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMT_EDR_DATA_EXT 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_EDR_DATA_EXT. 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_EDR_DATA_EXT 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_EDR_DATA_EXT TYPE STANDARD TABLE OF CRMT_EDR_DATA_EXT,
      WA_CRMT_EDR_DATA_EXT TYPE CRMT_EDR_DATA_EXT,
      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_EDR_DATA_EXT> TYPE CRMT_EDR_DATA_EXT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_EDR_DATA_EXT
*  INTO TABLE @DATA(IT_CRMT_EDR_DATA_EXT2).
*--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_EDR_DATA_EXT INDEX 1 INTO DATA(WA_CRMT_EDR_DATA_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_EDR_DATA_EXT>-EDR_ID = 1.
<CRMT_EDR_DATA_EXT>-EDR_TYPE = 1.
<CRMT_EDR_DATA_EXT>-EDR_CREATE_DATE = 1.
<CRMT_EDR_DATA_EXT>-EDR_LOAD_DATE = 1.
<CRMT_EDR_DATA_EXT>-REF_GUID_INDOB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_EDR_DATA_EXT-REF_DOC_GUID, sy-vline,
  WA_CRMT_EDR_DATA_EXT-REF_DOC_KIND, sy-vline,
  WA_CRMT_EDR_DATA_EXT-CONTRACT_ID, sy-vline,
  WA_CRMT_EDR_DATA_EXT-BUAG_GUID, sy-vline,
  WA_CRMT_EDR_DATA_EXT-PARTNER_GUID, sy-vline,
  WA_CRMT_EDR_DATA_EXT-AMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_EDR_DATA_EXT 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_EDR_DATA_EXT 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_EDR_DATA_EXT INTO WA_CRMT_EDR_DATA_EXT.


*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 EDR_CREATE_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_EDR_DATA_EXT-EDR_CREATE_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_EDR_DATA_EXT-EDR_CREATE_DATE.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit TSTPS, internal->external for field VERIFY_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_EDR_DATA_EXT-VERIFY_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_EDR_DATA_EXT-VERIFY_DATE.
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_EDR_DATA_EXT_STR, 
EDR_ID TYPE STRING,
EDR_TYPE TYPE STRING,
EDR_CREATE_DATE TYPE STRING,
EDR_LOAD_DATE TYPE STRING,
REF_GUID_INDOB TYPE STRING,
REF_DOC_GUID TYPE STRING,
REF_DOC_KIND TYPE STRING,
CONTRACT_ID TYPE STRING,
BUAG_GUID TYPE STRING,
PARTNER_GUID TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
NET_GROSS TYPE STRING,
USAGE_QUANTITY TYPE STRING,
UNIT_OF_USAGE TYPE STRING,
TAX_AMOUNT TYPE STRING,
EDR_SOURCE_SYS TYPE STRING,
DISPUTED TYPE STRING,
EDR_DESCRIPTION TYPE STRING,
ARCHIVING_STATUS TYPE STRING,
VERIFY_DATE TYPE STRING,
EDR_STATUS TYPE STRING,
TR_OBJ_ID TYPE STRING,
TR_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_EDR_DATA_EXT_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_EDR_DATA_EXT_STR-EDR_ID sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-EDR_TYPE sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-EDR_CREATE_DATE sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-EDR_LOAD_DATE sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-REF_GUID_INDOB sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-REF_DOC_GUID sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-REF_DOC_KIND sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-CONTRACT_ID sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-BUAG_GUID sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-PARTNER_GUID sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-AMOUNT sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-CURRENCY sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-NET_GROSS sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-USAGE_QUANTITY sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-UNIT_OF_USAGE sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-TAX_AMOUNT sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-EDR_SOURCE_SYS sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-DISPUTED sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-EDR_DESCRIPTION sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-ARCHIVING_STATUS sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-VERIFY_DATE sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-EDR_STATUS sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-TR_OBJ_ID sy-vline 
WA_CRMT_EDR_DATA_EXT_STR-TR_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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