ABAP Select data from SAP table CRMT_OUTPUT_BUAG_H_COM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMT_OUTPUT_BUAG_H_COM 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_OUTPUT_BUAG_H_COM. 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_OUTPUT_BUAG_H_COM 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_OUTPUT_BUAG_H_COM TYPE STANDARD TABLE OF CRMT_OUTPUT_BUAG_H_COM,
      WA_CRMT_OUTPUT_BUAG_H_COM TYPE CRMT_OUTPUT_BUAG_H_COM,
      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_OUTPUT_BUAG_H_COM> TYPE CRMT_OUTPUT_BUAG_H_COM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_OUTPUT_BUAG_H_COM
*  INTO TABLE @DATA(IT_CRMT_OUTPUT_BUAG_H_COM2).
*--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_OUTPUT_BUAG_H_COM INDEX 1 INTO DATA(WA_CRMT_OUTPUT_BUAG_H_COM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_OUTPUT_BUAG_H_COM>-REF_GUID = 1.
<CRMT_OUTPUT_BUAG_H_COM>-REF_KIND = 1.
<CRMT_OUTPUT_BUAG_H_COM>-BUAG_GUID = 1.
<CRMT_OUTPUT_BUAG_H_COM>-BUAG_ID = 1.
<CRMT_OUTPUT_BUAG_H_COM>-BUAG_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_OUTPUT_BUAG_H_COM-BUAG_TEXT35, sy-vline,
  WA_CRMT_OUTPUT_BUAG_H_COM-DELETION_FLAG, sy-vline,
  WA_CRMT_OUTPUT_BUAG_H_COM-BUAG_ID_LEGACY, sy-vline,
  WA_CRMT_OUTPUT_BUAG_H_COM-HOME_SYSTEM, sy-vline,
  WA_CRMT_OUTPUT_BUAG_H_COM-CREATED_BY, sy-vline,
  WA_CRMT_OUTPUT_BUAG_H_COM-CHANGED_BY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_OUTPUT_BUAG_H_COM 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_OUTPUT_BUAG_H_COM 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_OUTPUT_BUAG_H_COM INTO WA_CRMT_OUTPUT_BUAG_H_COM.


*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 BUAG_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_OUTPUT_BUAG_H_COM-BUAG_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_OUTPUT_BUAG_H_COM-BUAG_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HOME_SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_OUTPUT_BUAG_H_COM-HOME_SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_OUTPUT_BUAG_H_COM-HOME_SYSTEM.
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_OUTPUT_BUAG_H_COM_STR, 
REF_GUID TYPE STRING,
REF_KIND TYPE STRING,
BUAG_GUID TYPE STRING,
BUAG_ID TYPE STRING,
BUAG_TEXT TYPE STRING,
BUAG_TEXT35 TYPE STRING,
DELETION_FLAG TYPE STRING,
BUAG_ID_LEGACY TYPE STRING,
HOME_SYSTEM TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_ON TYPE STRING,
ADDR_TAX_GUID TYPE STRING,
TAX_CAT TYPE STRING,
TAX_CODE TYPE STRING,
ADDR_IR_GUID TYPE STRING,
COLL_BILL_BUAG TYPE STRING,
ACTIVE_BBP TYPE STRING,
BDID_IN TYPE STRING,
BDID_OUT TYPE STRING,
CCARD_IN TYPE STRING,
CCARD_OUT TYPE STRING,
ADDR_DR_GUID TYPE STRING,
ADDR_PY_GUID TYPE STRING,
ADDR_PR_GUID TYPE STRING,
BUAG_PAYER TYPE STRING,
DIR_DEB_AMOUNT TYPE STRING,
DIR_DEB_CURRENCY TYPE STRING,
DIR_DEB_MONTHS TYPE STRING,
DIR_DEB_ROLLING TYPE STRING,
SEPA_MNDID TYPE STRING,
BDID_IN_TXT TYPE STRING,
BDID_OUT_TXT TYPE STRING,
CCARD_IN_TXT TYPE STRING,
VALID_TO TYPE STRING,
VALID_FROM TYPE STRING,
CARD_TYPE TYPE STRING,
MASK_NUMBER TYPE STRING,
STAMP_NAME TYPE STRING,
ISSUER TYPE STRING,
ISSUING_DATE TYPE STRING,
CCARD_OUT_TXT TYPE STRING,
VALID_TO TYPE STRING,
VALID_FROM TYPE STRING,
CARD_TYPE TYPE STRING,
MASK_NUMBER TYPE STRING,
STAMP_NAME TYPE STRING,
ISSUER TYPE STRING,
ISSUING_DATE TYPE STRING,
BUAG_DEFAULT TYPE STRING,
BUAG_CLASS TYPE STRING,
REF_NUMBER TYPE STRING,
ADDR_CR_GUID TYPE STRING,
BAPF_GUID TYPE STRING,
PPACC_H_GUID TYPE STRING,
PPACC_RELATION TYPE STRING,
OWNER TYPE STRING,
BABR_GUID TYPE STRING,
BABR_TEXT TYPE STRING,
CORR_VARNT TYPE STRING,
SNDCNTRL_BP TYPE STRING,
TOFPAYM TYPE STRING,
SNDCNTRL_BR TYPE STRING,
TPFPAYM_TXT TYPE STRING,
PAYM_METH_IN TYPE STRING,
PAYM_METH_OUT TYPE STRING,
SNDCNTRL_DR TYPE STRING,
PAYM_METH_IN_T TYPE STRING,
PAYM_METH_OUT_T TYPE STRING,
BUAG_PART_COMT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_OUTPUT_BUAG_H_COM_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_OUTPUT_BUAG_H_COM_STR-REF_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-REF_KIND sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BUAG_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BUAG_ID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BUAG_TEXT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BUAG_TEXT35 sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-DELETION_FLAG sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BUAG_ID_LEGACY sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-HOME_SYSTEM sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CREATED_BY sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CHANGED_BY sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CREATED_ON sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CHANGED_ON sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ADDR_TAX_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-TAX_CAT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-TAX_CODE sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ADDR_IR_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-COLL_BILL_BUAG sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ACTIVE_BBP sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BDID_IN sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BDID_OUT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CCARD_IN sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CCARD_OUT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ADDR_DR_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ADDR_PY_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ADDR_PR_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BUAG_PAYER sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-DIR_DEB_AMOUNT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-DIR_DEB_CURRENCY sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-DIR_DEB_MONTHS sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-DIR_DEB_ROLLING sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-SEPA_MNDID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BDID_IN_TXT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BDID_OUT_TXT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CCARD_IN_TXT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-VALID_TO sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-VALID_FROM sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CARD_TYPE sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-MASK_NUMBER sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-STAMP_NAME sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ISSUER sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ISSUING_DATE sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CCARD_OUT_TXT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-VALID_TO sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-VALID_FROM sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CARD_TYPE sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-MASK_NUMBER sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-STAMP_NAME sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ISSUER sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ISSUING_DATE sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BUAG_DEFAULT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BUAG_CLASS sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-REF_NUMBER sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-ADDR_CR_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BAPF_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-PPACC_H_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-PPACC_RELATION sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-OWNER sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BABR_GUID sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BABR_TEXT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-CORR_VARNT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-SNDCNTRL_BP sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-TOFPAYM sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-SNDCNTRL_BR sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-TPFPAYM_TXT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-PAYM_METH_IN sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-PAYM_METH_OUT sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-SNDCNTRL_DR sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-PAYM_METH_IN_T sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-PAYM_METH_OUT_T sy-vline 
WA_CRMT_OUTPUT_BUAG_H_COM_STR-BUAG_PART_COMT sy-vline      INTO ld_text SEPARATED BY SPACE.

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