ABAP Select data from SAP table FIRU_S_TRT_MASTER_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIRU_S_TRT_MASTER_DATA
*  INTO TABLE @DATA(IT_FIRU_S_TRT_MASTER_DATA2).
*--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_FIRU_S_TRT_MASTER_DATA INDEX 1 INTO DATA(WA_FIRU_S_TRT_MASTER_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIRU_S_TRT_MASTER_DATA>-STATUS = 1.
<FIRU_S_TRT_MASTER_DATA>-BUKRS = 1.
<FIRU_S_TRT_MASTER_DATA>-ANLN1 = 1.
<FIRU_S_TRT_MASTER_DATA>-ANLN2 = 1.
<FIRU_S_TRT_MASTER_DATA>-ADATU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIRU_S_TRT_MASTER_DATA-BDATU, sy-vline,
  WA_FIRU_S_TRT_MASTER_DATA-ANLKL, sy-vline,
  WA_FIRU_S_TRT_MASTER_DATA-GLO_RUS_TTX_OKT1, sy-vline,
  WA_FIRU_S_TRT_MASTER_DATA-GLO_RUS_TTX_OKT2, sy-vline,
  WA_FIRU_S_TRT_MASTER_DATA-GLO_RUS_TTX_OKT3, sy-vline,
  WA_FIRU_S_TRT_MASTER_DATA-GLO_RUS_TTX_OKT4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIRU_S_TRT_MASTER_DATA 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_FIRU_S_TRT_MASTER_DATA 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_FIRU_S_TRT_MASTER_DATA INTO WA_FIRU_S_TRT_MASTER_DATA.


*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 ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_TRT_MASTER_DATA-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_TRT_MASTER_DATA-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_TRT_MASTER_DATA-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_TRT_MASTER_DATA-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLKL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_TRT_MASTER_DATA-ANLKL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_TRT_MASTER_DATA-ANLKL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit OKTMO, internal->external for field GLO_RUS_TTX_OKTM
CALL FUNCTION 'CONVERSION_EXIT_OKTMO_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_TRT_MASTER_DATA-GLO_RUS_TTX_OKTM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_TRT_MASTER_DATA-GLO_RUS_TTX_OKTM.
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_FIRU_S_TRT_MASTER_DATA_STR, 
STATUS TYPE STRING,
BUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
ADATU TYPE STRING,
BDATU TYPE STRING,
ANLKL TYPE STRING,
GLO_RUS_TTX_OKT1 TYPE STRING,
GLO_RUS_TTX_OKT2 TYPE STRING,
GLO_RUS_TTX_OKT3 TYPE STRING,
GLO_RUS_TTX_OKT4 TYPE STRING,
GLO_RUS_TTX_EXMP TYPE STRING,
GLO_RUS_TTX_PRVG TYPE STRING,
GLO_RUS_AMTRED TYPE STRING,
GLO_RUS_TTX_OKTM TYPE STRING,
GLO_RUS_TRT_TCRT TYPE STRING,
GLO_RUS_TRT_TCAM TYPE STRING,
GLO_RUS_TRT_TCEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIRU_S_TRT_MASTER_DATA_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_FIRU_S_TRT_MASTER_DATA_STR-STATUS sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-BUKRS sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-ANLN1 sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-ANLN2 sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-ADATU sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-BDATU sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-ANLKL sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TTX_OKT1 sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TTX_OKT2 sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TTX_OKT3 sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TTX_OKT4 sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TTX_EXMP sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TTX_PRVG sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_AMTRED sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TTX_OKTM sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TRT_TCRT sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TRT_TCAM sy-vline 
WA_FIRU_S_TRT_MASTER_DATA_STR-GLO_RUS_TRT_TCEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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