ABAP Select data from SAP table THMS_CASH_FLOWS_DERIVATIVE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM THMS_CASH_FLOWS_DERIVATIVE
*  INTO TABLE @DATA(IT_THMS_CASH_FLOWS_DERIVATIVE2).
*--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_THMS_CASH_FLOWS_DERIVATIVE INDEX 1 INTO DATA(WA_THMS_CASH_FLOWS_DERIVATIVE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<THMS_CASH_FLOWS_DERIVATIVE>-BUKRS = 1.
<THMS_CASH_FLOWS_DERIVATIVE>-RFHA = 1.
<THMS_CASH_FLOWS_DERIVATIVE>-BCWHR = 1.
<THMS_CASH_FLOWS_DERIVATIVE>-SCWHR = 1.
<THMS_CASH_FLOWS_DERIVATIVE>-SSIGN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_THMS_CASH_FLOWS_DERIVATIVE-RKONDGR, sy-vline,
  WA_THMS_CASH_FLOWS_DERIVATIVE-DFAELL, sy-vline,
  WA_THMS_CASH_FLOWS_DERIVATIVE-DDISPO, sy-vline,
  WA_THMS_CASH_FLOWS_DERIVATIVE-DBERVON, sy-vline,
  WA_THMS_CASH_FLOWS_DERIVATIVE-DBERBIS, sy-vline,
  WA_THMS_CASH_FLOWS_DERIVATIVE-ABASTAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_THMS_CASH_FLOWS_DERIVATIVE 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_THMS_CASH_FLOWS_DERIVATIVE 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_THMS_CASH_FLOWS_DERIVATIVE INTO WA_THMS_CASH_FLOWS_DERIVATIVE.


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

*Conversion exit CUNIT, internal->external for field UNIT_OF_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_THMS_CASH_FLOWS_DERIVATIVE-UNIT_OF_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_THMS_CASH_FLOWS_DERIVATIVE-UNIT_OF_MEASURE.
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_THMS_CASH_FLOWS_DERIVATIVE_STR, 
BUKRS TYPE STRING,
RFHA TYPE STRING,
BCWHR TYPE STRING,
SCWHR TYPE STRING,
SSIGN TYPE STRING,
RKONDGR TYPE STRING,
DFAELL TYPE STRING,
DDISPO TYPE STRING,
DBERVON TYPE STRING,
DBERBIS TYPE STRING,
ABASTAGE TYPE STRING,
ATAGE TYPE STRING,
SZBMETH TYPE STRING,
DPKOND TYPE STRING,
DZFEST TYPE STRING,
SZSREF TYPE STRING,
PKOND TYPE STRING,
BBASIS TYPE STRING,
SNWHR TYPE STRING,
BNWHR TYPE STRING,
SZSREFVZ TYPE STRING,
SFORMREF TYPE STRING,
JSOFVERR TYPE STRING,
SBWHR TYPE STRING,
BBWHR TYPE STRING,
FLG_INT_AMOUNT TYPE STRING,
SOFFSET TYPE STRING,
REGI_STATE TYPE STRING,
CFKNZ TYPE STRING,
QUANTITY TYPE STRING,
COMMODITY_ID TYPE STRING,
UNIT_OF_MEASURE TYPE STRING,
FIKTKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_THMS_CASH_FLOWS_DERIVATIVE_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_THMS_CASH_FLOWS_DERIVATIVE_STR-BUKRS sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-RFHA sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-BCWHR sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-SCWHR sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-SSIGN sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-RKONDGR sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-DFAELL sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-DDISPO sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-DBERVON sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-DBERBIS sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-ABASTAGE sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-ATAGE sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-SZBMETH sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-DPKOND sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-DZFEST sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-SZSREF sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-PKOND sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-BBASIS sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-SNWHR sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-BNWHR sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-SZSREFVZ sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-SFORMREF sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-JSOFVERR sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-SBWHR sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-BBWHR sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-FLG_INT_AMOUNT sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-SOFFSET sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-REGI_STATE sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-CFKNZ sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-QUANTITY sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-COMMODITY_ID sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-UNIT_OF_MEASURE sy-vline 
WA_THMS_CASH_FLOWS_DERIVATIVE_STR-FIKTKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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