ABAP Select data from SAP table IMBTTMPLITM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IMBTTMPLITM 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 IMBTTMPLITM. 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 IMBTTMPLITM 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_IMBTTMPLITM TYPE STANDARD TABLE OF IMBTTMPLITM,
      WA_IMBTTMPLITM TYPE IMBTTMPLITM,
      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: <IMBTTMPLITM> TYPE IMBTTMPLITM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMBTTMPLITM
*  INTO TABLE @DATA(IT_IMBTTMPLITM2).
*--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_IMBTTMPLITM INDEX 1 INTO DATA(WA_IMBTTMPLITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMBTTMPLITM>-MANDT = 1.
<IMBTTMPLITM>-MAKEBANKTRANSFERRUNID = 1.
<IMBTTMPLITM>-MAKEBANKTRANSFERITEMID = 1.
<IMBTTMPLITM>-REPETITIVECODE = 1.
<IMBTTMPLITM>-PAYINGCOMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMBTTMPLITM-HOUSEBANK, sy-vline,
  WA_IMBTTMPLITM-PAYMENTREQUESTAMOUNTINPAYTCRCY, sy-vline,
  WA_IMBTTMPLITM-PAYMENTREQUEST, sy-vline,
  WA_IMBTTMPLITM-CURRENCY, sy-vline,
  WA_IMBTTMPLITM-NOTE, sy-vline,
  WA_IMBTTMPLITM-VALUEDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMBTTMPLITM 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_IMBTTMPLITM 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_IMBTTMPLITM INTO WA_IMBTTMPLITM.


*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 AU132, internal->external for field PAYMENTREQUESTAMOUNTINPAYTCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IMBTTMPLITM-PAYMENTREQUESTAMOUNTINPAYTCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMBTTMPLITM-PAYMENTREQUESTAMOUNTINPAYTCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAYMENTREQUEST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMBTTMPLITM-PAYMENTREQUEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMBTTMPLITM-PAYMENTREQUEST.
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_IMBTTMPLITM_STR, 
MANDT TYPE STRING,
MAKEBANKTRANSFERRUNID TYPE STRING,
MAKEBANKTRANSFERITEMID TYPE STRING,
REPETITIVECODE TYPE STRING,
PAYINGCOMPANYCODE TYPE STRING,
HOUSEBANK TYPE STRING,
PAYMENTREQUESTAMOUNTINPAYTCRCY TYPE STRING,
PAYMENTREQUEST TYPE STRING,
CURRENCY TYPE STRING,
NOTE TYPE STRING,
VALUEDATE TYPE STRING,
DATAEXCHANGEINSTRUCTIONKEY TYPE STRING,
DATAEXCHANGEINSTRUCTION1 TYPE STRING,
DATAEXCHANGEINSTRUCTION2 TYPE STRING,
DATAEXCHANGEINSTRUCTION3 TYPE STRING,
DATAEXCHANGEINSTRUCTION4 TYPE STRING,
ISSINGLEPAYMENT TYPE STRING,
BANKTRANSFERRELEASEANDPAY TYPE STRING,
BANKACCOUNTREVISION TYPE STRING,
STATECENTRALBANKPAYMENTREASON TYPE STRING,
SUPPLIERCOUNTRY TYPE STRING,
PAYMENTMETHODSUPPLEMENT TYPE STRING,
PAYMENTREFERENCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMBTTMPLITM_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_IMBTTMPLITM_STR-MANDT sy-vline 
WA_IMBTTMPLITM_STR-MAKEBANKTRANSFERRUNID sy-vline 
WA_IMBTTMPLITM_STR-MAKEBANKTRANSFERITEMID sy-vline 
WA_IMBTTMPLITM_STR-REPETITIVECODE sy-vline 
WA_IMBTTMPLITM_STR-PAYINGCOMPANYCODE sy-vline 
WA_IMBTTMPLITM_STR-HOUSEBANK sy-vline 
WA_IMBTTMPLITM_STR-PAYMENTREQUESTAMOUNTINPAYTCRCY sy-vline 
WA_IMBTTMPLITM_STR-PAYMENTREQUEST sy-vline 
WA_IMBTTMPLITM_STR-CURRENCY sy-vline 
WA_IMBTTMPLITM_STR-NOTE sy-vline 
WA_IMBTTMPLITM_STR-VALUEDATE sy-vline 
WA_IMBTTMPLITM_STR-DATAEXCHANGEINSTRUCTIONKEY sy-vline 
WA_IMBTTMPLITM_STR-DATAEXCHANGEINSTRUCTION1 sy-vline 
WA_IMBTTMPLITM_STR-DATAEXCHANGEINSTRUCTION2 sy-vline 
WA_IMBTTMPLITM_STR-DATAEXCHANGEINSTRUCTION3 sy-vline 
WA_IMBTTMPLITM_STR-DATAEXCHANGEINSTRUCTION4 sy-vline 
WA_IMBTTMPLITM_STR-ISSINGLEPAYMENT sy-vline 
WA_IMBTTMPLITM_STR-BANKTRANSFERRELEASEANDPAY sy-vline 
WA_IMBTTMPLITM_STR-BANKACCOUNTREVISION sy-vline 
WA_IMBTTMPLITM_STR-STATECENTRALBANKPAYMENTREASON sy-vline 
WA_IMBTTMPLITM_STR-SUPPLIERCOUNTRY sy-vline 
WA_IMBTTMPLITM_STR-PAYMENTMETHODSUPPLEMENT sy-vline 
WA_IMBTTMPLITM_STR-PAYMENTREFERENCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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