ABAP Select data from SAP table TREAV_STMT_QUERY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TREAV_STMT_QUERY
*  INTO TABLE @DATA(IT_TREAV_STMT_QUERY2).
*--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_TREAV_STMT_QUERY INDEX 1 INTO DATA(WA_TREAV_STMT_QUERY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TREAV_STMT_QUERY>-MANDT = 1.
<TREAV_STMT_QUERY>-COMPANY_CODE = 1.
<TREAV_STMT_QUERY>-EXTERNAL_ACCOUNT = 1.
<TREAV_STMT_QUERY>-STATEMENT_DATE = 1.
<TREAV_STMT_QUERY>-EXT_STATEMENT_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TREAV_STMT_QUERY-ITEM_POS, sy-vline,
  WA_TREAV_STMT_QUERY-DEAL_NUMBER, sy-vline,
  WA_TREAV_STMT_QUERY-EXT_DEAL_NUMBER, sy-vline,
  WA_TREAV_STMT_QUERY-DIS_FLOWTYPE, sy-vline,
  WA_TREAV_STMT_QUERY-PAYMENT_AMT, sy-vline,
  WA_TREAV_STMT_QUERY-PAYMENT_CURR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TREAV_STMT_QUERY 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_TREAV_STMT_QUERY 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_TREAV_STMT_QUERY INTO WA_TREAV_STMT_QUERY.


*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 DEAL_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TREAV_STMT_QUERY-DEAL_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TREAV_STMT_QUERY-DEAL_NUMBER.
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_TREAV_STMT_QUERY_STR, 
MANDT TYPE STRING,
COMPANY_CODE TYPE STRING,
EXTERNAL_ACCOUNT TYPE STRING,
STATEMENT_DATE TYPE STRING,
EXT_STATEMENT_ID TYPE STRING,
ITEM_POS TYPE STRING,
DEAL_NUMBER TYPE STRING,
EXT_DEAL_NUMBER TYPE STRING,
DIS_FLOWTYPE TYPE STRING,
PAYMENT_AMT TYPE STRING,
PAYMENT_CURR TYPE STRING,
LOCAL_AMT TYPE STRING,
LOCAL_CURR TYPE STRING,
NPV_PREVIOUS TYPE STRING,
NPV_CURRENT TYPE STRING,
STATUS TYPE STRING,
PAYMENT_STATE TYPE STRING,
POSTING_STATE TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
STATEMENT_OID TYPE STRING,
ITEM_OID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TREAV_STMT_QUERY_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_TREAV_STMT_QUERY_STR-MANDT sy-vline 
WA_TREAV_STMT_QUERY_STR-COMPANY_CODE sy-vline 
WA_TREAV_STMT_QUERY_STR-EXTERNAL_ACCOUNT sy-vline 
WA_TREAV_STMT_QUERY_STR-STATEMENT_DATE sy-vline 
WA_TREAV_STMT_QUERY_STR-EXT_STATEMENT_ID sy-vline 
WA_TREAV_STMT_QUERY_STR-ITEM_POS sy-vline 
WA_TREAV_STMT_QUERY_STR-DEAL_NUMBER sy-vline 
WA_TREAV_STMT_QUERY_STR-EXT_DEAL_NUMBER sy-vline 
WA_TREAV_STMT_QUERY_STR-DIS_FLOWTYPE sy-vline 
WA_TREAV_STMT_QUERY_STR-PAYMENT_AMT sy-vline 
WA_TREAV_STMT_QUERY_STR-PAYMENT_CURR sy-vline 
WA_TREAV_STMT_QUERY_STR-LOCAL_AMT sy-vline 
WA_TREAV_STMT_QUERY_STR-LOCAL_CURR sy-vline 
WA_TREAV_STMT_QUERY_STR-NPV_PREVIOUS sy-vline 
WA_TREAV_STMT_QUERY_STR-NPV_CURRENT sy-vline 
WA_TREAV_STMT_QUERY_STR-STATUS sy-vline 
WA_TREAV_STMT_QUERY_STR-PAYMENT_STATE sy-vline 
WA_TREAV_STMT_QUERY_STR-POSTING_STATE sy-vline 
WA_TREAV_STMT_QUERY_STR-RERF sy-vline 
WA_TREAV_STMT_QUERY_STR-DERF sy-vline 
WA_TREAV_STMT_QUERY_STR-TERF sy-vline 
WA_TREAV_STMT_QUERY_STR-REHER sy-vline 
WA_TREAV_STMT_QUERY_STR-RBEAR sy-vline 
WA_TREAV_STMT_QUERY_STR-DBEAR sy-vline 
WA_TREAV_STMT_QUERY_STR-TBEAR sy-vline 
WA_TREAV_STMT_QUERY_STR-RBHER sy-vline 
WA_TREAV_STMT_QUERY_STR-STATEMENT_OID sy-vline 
WA_TREAV_STMT_QUERY_STR-ITEM_OID sy-vline      INTO ld_text SEPARATED BY SPACE.

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