ABAP Select data from SAP table TISU_COMPARA_BR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TISU_COMPARA_BR
*  INTO TABLE @DATA(IT_TISU_COMPARA_BR2).
*--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_TISU_COMPARA_BR INDEX 1 INTO DATA(WA_TISU_COMPARA_BR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TISU_COMPARA_BR>-MANDT = 1.
<TISU_COMPARA_BR>-SCENARIO_ID = 1.
<TISU_COMPARA_BR>-BILLING_LINE_ITEM_FROM = 1.
<TISU_COMPARA_BR>-LINE_ITEM_TYPE_FROM = 1.
<TISU_COMPARA_BR>-TRANSACTION_KEY_FROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TISU_COMPARA_BR-MAIN_TRANSACION_FROM, sy-vline,
  WA_TISU_COMPARA_BR-SUBTRANSACTION_FROM, sy-vline,
  WA_TISU_COMPARA_BR-BILLING_LINE_ITEM_TO, sy-vline,
  WA_TISU_COMPARA_BR-LINE_ITEM_TYPE_TO, sy-vline,
  WA_TISU_COMPARA_BR-TRANSACTION_KEY_TO, sy-vline,
  WA_TISU_COMPARA_BR-MAIN_TRANSACION_TO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TISU_COMPARA_BR 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_TISU_COMPARA_BR 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_TISU_COMPARA_BR INTO WA_TISU_COMPARA_BR.


*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 SCENARIO_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TISU_COMPARA_BR-SCENARIO_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TISU_COMPARA_BR-SCENARIO_ID.
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_TISU_COMPARA_BR_STR, 
MANDT TYPE STRING,
SCENARIO_ID TYPE STRING,
BILLING_LINE_ITEM_FROM TYPE STRING,
LINE_ITEM_TYPE_FROM TYPE STRING,
TRANSACTION_KEY_FROM TYPE STRING,
MAIN_TRANSACION_FROM TYPE STRING,
SUBTRANSACTION_FROM TYPE STRING,
BILLING_LINE_ITEM_TO TYPE STRING,
LINE_ITEM_TYPE_TO TYPE STRING,
TRANSACTION_KEY_TO TYPE STRING,
MAIN_TRANSACION_TO TYPE STRING,
SUBTRANSACTION_TO TYPE STRING,
MAIN_TRANSACTION_POSTING TYPE STRING,
SUBTRANSACTION_POSTING TYPE STRING,
STATITICAL_KEY TYPE STRING,
TEXT TYPE STRING,
DOCUMENT_TYPE TYPE STRING,
MAIN_TRANSACTION_POSTING_CREDI TYPE STRING,
SUBTRANSACTION_POSTING_CREDIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TISU_COMPARA_BR_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_TISU_COMPARA_BR_STR-MANDT sy-vline 
WA_TISU_COMPARA_BR_STR-SCENARIO_ID sy-vline 
WA_TISU_COMPARA_BR_STR-BILLING_LINE_ITEM_FROM sy-vline 
WA_TISU_COMPARA_BR_STR-LINE_ITEM_TYPE_FROM sy-vline 
WA_TISU_COMPARA_BR_STR-TRANSACTION_KEY_FROM sy-vline 
WA_TISU_COMPARA_BR_STR-MAIN_TRANSACION_FROM sy-vline 
WA_TISU_COMPARA_BR_STR-SUBTRANSACTION_FROM sy-vline 
WA_TISU_COMPARA_BR_STR-BILLING_LINE_ITEM_TO sy-vline 
WA_TISU_COMPARA_BR_STR-LINE_ITEM_TYPE_TO sy-vline 
WA_TISU_COMPARA_BR_STR-TRANSACTION_KEY_TO sy-vline 
WA_TISU_COMPARA_BR_STR-MAIN_TRANSACION_TO sy-vline 
WA_TISU_COMPARA_BR_STR-SUBTRANSACTION_TO sy-vline 
WA_TISU_COMPARA_BR_STR-MAIN_TRANSACTION_POSTING sy-vline 
WA_TISU_COMPARA_BR_STR-SUBTRANSACTION_POSTING sy-vline 
WA_TISU_COMPARA_BR_STR-STATITICAL_KEY sy-vline 
WA_TISU_COMPARA_BR_STR-TEXT sy-vline 
WA_TISU_COMPARA_BR_STR-DOCUMENT_TYPE sy-vline 
WA_TISU_COMPARA_BR_STR-MAIN_TRANSACTION_POSTING_CREDI sy-vline 
WA_TISU_COMPARA_BR_STR-SUBTRANSACTION_POSTING_CREDIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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