ABAP Select data from SAP table FIRO_S_DSPL_REZUMAT1_DETALIU into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FIRO_S_DSPL_REZUMAT1_DETALIU 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 FIRO_S_DSPL_REZUMAT1_DETALIU. 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 FIRO_S_DSPL_REZUMAT1_DETALIU 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_FIRO_S_DSPL_REZUMAT1_DETALIU TYPE STANDARD TABLE OF FIRO_S_DSPL_REZUMAT1_DETALIU,
      WA_FIRO_S_DSPL_REZUMAT1_DETALIU TYPE FIRO_S_DSPL_REZUMAT1_DETALIU,
      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: <FIRO_S_DSPL_REZUMAT1_DETALIU> TYPE FIRO_S_DSPL_REZUMAT1_DETALIU.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FIRO_S_DSPL_REZUMAT1_DETALIU.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FIRO_S_DSPL_REZUMAT1_DETALIU
  INTO TABLE IT_FIRO_S_DSPL_REZUMAT1_DETALIU.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIRO_S_DSPL_REZUMAT1_DETALIU
*  INTO TABLE @DATA(IT_FIRO_S_DSPL_REZUMAT1_DETALIU2).
*--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_FIRO_S_DSPL_REZUMAT1_DETALIU INDEX 1 INTO DATA(WA_FIRO_S_DSPL_REZUMAT1_DETALIU2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FIRO_S_DSPL_REZUMAT1_DETALIU ASSIGNING <FIRO_S_DSPL_REZUMAT1_DETALIU>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIRO_S_DSPL_REZUMAT1_DETALIU>-BUN = 1.
<FIRO_S_DSPL_REZUMAT1_DETALIU>-NRLIVV = 1.
<FIRO_S_DSPL_REZUMAT1_DETALIU>-BAZALIVV = 1.
<FIRO_S_DSPL_REZUMAT1_DETALIU>-NRACHIZC = 1.
<FIRO_S_DSPL_REZUMAT1_DETALIU>-BAZAACHIZC = 1.

ENDLOOP.

LOOP AT IT_FIRO_S_DSPL_REZUMAT1_DETALIU INTO WA_FIRO_S_DSPL_REZUMAT1_DETALIU.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIRO_S_DSPL_REZUMAT1_DETALIU-TVAACHIZC, sy-vline,
  WA_FIRO_S_DSPL_REZUMAT1_DETALIU-NRN, sy-vline,
  WA_FIRO_S_DSPL_REZUMAT1_DETALIU-VALN, sy-vline,
  WA_FIRO_S_DSPL_REZUMAT1_DETALIU-CMPCOTAFRFT, sy-vline,
  WA_FIRO_S_DSPL_REZUMAT1_DETALIU-NRFCTNA, sy-vline,
  WA_FIRO_S_DSPL_REZUMAT1_DETALIU-VALFCTNA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIRO_S_DSPL_REZUMAT1_DETALIU 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_FIRO_S_DSPL_REZUMAT1_DETALIU 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_FIRO_S_DSPL_REZUMAT1_DETALIU INTO WA_FIRO_S_DSPL_REZUMAT1_DETALIU.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FIRO_S_DSPL_REZUMAT1_DETALIU_STR, 
BUN TYPE STRING,
NRLIVV TYPE STRING,
BAZALIVV TYPE STRING,
NRACHIZC TYPE STRING,
BAZAACHIZC TYPE STRING,
TVAACHIZC TYPE STRING,
NRN TYPE STRING,
VALN TYPE STRING,
CMPCOTAFRFT TYPE STRING,
NRFCTNA TYPE STRING,
VALFCTNA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIRO_S_DSPL_REZUMAT1_DETALIU_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_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-BUN sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-NRLIVV sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-BAZALIVV sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-NRACHIZC sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-BAZAACHIZC sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-TVAACHIZC sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-NRN sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-VALN sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-CMPCOTAFRFT sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-NRFCTNA sy-vline 
WA_FIRO_S_DSPL_REZUMAT1_DETALIU_STR-VALFCTNA sy-vline      INTO ld_text SEPARATED BY SPACE.

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