ABAP Select data from SAP table CRMT_REBATEAGR_MASSUPDATE_HEAD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMT_REBATEAGR_MASSUPDATE_HEAD 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_REBATEAGR_MASSUPDATE_HEAD. 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_REBATEAGR_MASSUPDATE_HEAD 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_REBATEAGR_MASSUPDATE_HEAD TYPE STANDARD TABLE OF CRMT_REBATEAGR_MASSUPDATE_HEAD,
      WA_CRMT_REBATEAGR_MASSUPDATE_HEAD TYPE CRMT_REBATEAGR_MASSUPDATE_HEAD,
      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_REBATEAGR_MASSUPDATE_HEAD> TYPE CRMT_REBATEAGR_MASSUPDATE_HEAD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_REBATEAGR_MASSUPDATE_HEAD
*  INTO TABLE @DATA(IT_CRMT_REBATEAGR_MASSUPDATE_HEAD2).
*--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_REBATEAGR_MASSUPDATE_HEAD INDEX 1 INTO DATA(WA_CRMT_REBATEAGR_MASSUPDATE_HEAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_REBATEAGR_MASSUPDATE_HEAD>-MANDT = 1.
<CRMT_REBATEAGR_MASSUPDATE_HEAD>-OBJECT_ID = 1.
<CRMT_REBATEAGR_MASSUPDATE_HEAD>-GUID = 1.
<CRMT_REBATEAGR_MASSUPDATE_HEAD>-OBJECT_TYPE = 1.
<CRMT_REBATEAGR_MASSUPDATE_HEAD>-PROCESS_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-DESCRIPTION, sy-vline,
  WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-BILL_TO_PARTY, sy-vline,
  WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-PERSON_RESP, sy-vline,
  WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-PO_NUMBER_SOLD, sy-vline,
  WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-PO_DATE_SOLD, sy-vline,
  WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-YOUR_REF_SOLD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_REBATEAGR_MASSUPDATE_HEAD 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_REBATEAGR_MASSUPDATE_HEAD 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_REBATEAGR_MASSUPDATE_HEAD INTO WA_CRMT_REBATEAGR_MASSUPDATE_HEAD.


*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_CRMT_REBATEAGR_MASSUPDATE_HEAD-OBJECT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-OBJECT_ID.
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_REBATEAGR_MASSUPDATE_HEAD-BILL_TO_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-BILL_TO_PARTY.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit TSTPS, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-CHANGED_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_CRMT_REBATEAGR_MASSUPDATE_HEAD-SOLD_TO_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-SOLD_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_REBATEAGR_MASSUPDATE_HEAD-PAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_REBATEAGR_MASSUPDATE_HEAD-PAYER.
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_REBATEAGR_MASSUPDATE_HEAD_STR, 
MANDT TYPE STRING,
OBJECT_ID TYPE STRING,
GUID TYPE STRING,
OBJECT_TYPE TYPE STRING,
PROCESS_TYPE TYPE STRING,
DESCRIPTION TYPE STRING,
BILL_TO_PARTY TYPE STRING,
PERSON_RESP TYPE STRING,
PO_NUMBER_SOLD TYPE STRING,
PO_DATE_SOLD TYPE STRING,
YOUR_REF_SOLD TYPE STRING,
VALID_FROM TYPE STRING,
VALID_FROM_RULE TYPE STRING,
VALID_FROM_TIMESTAMP TYPE STRING,
VALID_FROM_TIMEZONE TYPE STRING,
VALID_TO TYPE STRING,
VALID_TO_RULE TYPE STRING,
VALID_TO_TIMESTAMP TYPE STRING,
VALID_TO_TIMEZONE TYPE STRING,
CURRENCY TYPE STRING,
POSTING_DATE TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
SOLD_TO_PARTY TYPE STRING,
SOLD_TO_PARTY_LIST TYPE STRING,
PAYER TYPE STRING,
PAYER_LIST TYPE STRING,
BILL_TO_PARTY_LIST TYPE STRING,
PERSON_RESP_LIST TYPE STRING,
SALES_ORG TYPE STRING,
SALES_ORG_SHORT TYPE STRING,
SALES_ORG_NAME TYPE STRING,
DIS_CHANNEL TYPE STRING,
DIS_CHANNEL_SHORT TYPE STRING,
CONCATSTATUSER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_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_REBATEAGR_MASSUPDATE_HEAD_STR-MANDT sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-OBJECT_ID sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-GUID sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-OBJECT_TYPE sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-PROCESS_TYPE sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-DESCRIPTION sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-BILL_TO_PARTY sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-PERSON_RESP sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-PO_NUMBER_SOLD sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-PO_DATE_SOLD sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-YOUR_REF_SOLD sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-VALID_FROM sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-VALID_FROM_RULE sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-VALID_FROM_TIMESTAMP sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-VALID_FROM_TIMEZONE sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-VALID_TO sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-VALID_TO_RULE sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-VALID_TO_TIMESTAMP sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-VALID_TO_TIMEZONE sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-CURRENCY sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-POSTING_DATE sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-CREATED_AT sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-CREATED_BY sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-CHANGED_AT sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-CHANGED_BY sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-SOLD_TO_PARTY sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-SOLD_TO_PARTY_LIST sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-PAYER sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-PAYER_LIST sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-BILL_TO_PARTY_LIST sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-PERSON_RESP_LIST sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-SALES_ORG sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-SALES_ORG_SHORT sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-SALES_ORG_NAME sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-DIS_CHANNEL sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-DIS_CHANNEL_SHORT sy-vline 
WA_CRMT_REBATEAGR_MASSUPDATE_HEAD_STR-CONCATSTATUSER sy-vline      INTO ld_text SEPARATED BY SPACE.

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